From 80e510d65bd4b20e2e61cafee0b5f7c2ec832ab6 Mon Sep 17 00:00:00 2001
From: Nils Winkler <nils@nilswinkler.com>
Date: Fri, 6 Oct 2017 17:29:12 +0200
Subject: [PATCH] Added assert_link_exist function and use that

---
 test/bash_it/bash_it.bats               |  94 ++++++++--------
 test/completion/bash-it.completion.bats |  60 +++++-----
 test/install/install.bats               |  10 +-
 test/lib/helpers.bats                   | 140 ++++++++++++------------
 test/test_helper.bash                   |  45 ++++++++
 5 files changed, 197 insertions(+), 152 deletions(-)

diff --git a/test/bash_it/bash_it.bats b/test/bash_it/bash_it.bats
index 1fef3033..886453dd 100644
--- a/test/bash_it/bash_it.bats
+++ b/test/bash_it/bash_it.bats
@@ -46,12 +46,12 @@ function local_teardown {
   mkdir -p $BASH_IT/plugins/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/plugins/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/aliases/enabled/150---a.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/aliases/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---b.aliases.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -69,12 +69,12 @@ function local_teardown {
   mkdir -p $BASH_IT/plugins/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/plugins/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/aliases/enabled/175---a.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/175---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/175---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/aliases/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---b.aliases.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -92,14 +92,14 @@ function local_teardown {
   mkdir -p $BASH_IT/plugins/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/plugins/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/aliases/enabled/150---a.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/aliases/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---b.aliases.bash"
   ln -s $BASH_IT/plugins/available/c.plugin.bash $BASH_IT/plugins/enabled/250---c.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---c.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---c.plugin.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -118,14 +118,14 @@ function local_teardown {
   mkdir -p $BASH_IT/completion/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/plugins/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/aliases/enabled/150---a.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/completion/enabled/350---b.completion.bash
-  assert [ -L "$BASH_IT/completion/enabled/350---b.completion.bash" ]
+  assert_link_exist "$BASH_IT/completion/enabled/350---b.completion.bash"
   ln -s $BASH_IT/plugins/available/c.plugin.bash $BASH_IT/plugins/enabled/250---c.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---c.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---c.plugin.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -145,14 +145,14 @@ function local_teardown {
   mkdir -p $BASH_IT/completion/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/plugins/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/aliases/enabled/450---a.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/450---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/450---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/completion/enabled/350---b.completion.bash
-  assert [ -L "$BASH_IT/completion/enabled/350---b.completion.bash" ]
+  assert_link_exist "$BASH_IT/completion/enabled/350---b.completion.bash"
   ln -s $BASH_IT/plugins/available/c.plugin.bash $BASH_IT/plugins/enabled/950---c.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/950---c.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/950---c.plugin.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -171,14 +171,14 @@ function local_teardown {
   mkdir -p $BASH_IT/plugins/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/plugins/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/aliases/enabled/350---a.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/350---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/350---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/aliases/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---b.aliases.bash"
   ln -s $BASH_IT/plugins/available/c.plugin.bash $BASH_IT/plugins/enabled/250---c.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---c.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---c.plugin.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -197,12 +197,12 @@ function local_teardown {
   mkdir -p $BASH_IT/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/enabled/150---a.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---b.aliases.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -219,12 +219,12 @@ function local_teardown {
   mkdir -p $BASH_IT/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/enabled/175---a.aliases.bash
-  assert [ -L "$BASH_IT/enabled/175---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/175---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---b.aliases.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -241,14 +241,14 @@ function local_teardown {
   mkdir -p $BASH_IT/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/enabled/150---a.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---b.aliases.bash"
   ln -s $BASH_IT/plugins/available/c.plugin.bash $BASH_IT/enabled/250---c.plugin.bash
-  assert [ -L "$BASH_IT/enabled/250---c.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---c.plugin.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -265,14 +265,14 @@ function local_teardown {
   mkdir -p $BASH_IT/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/enabled/350---a.aliases.bash
-  assert [ -L "$BASH_IT/enabled/350---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/350---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---b.aliases.bash"
   ln -s $BASH_IT/plugins/available/c.plugin.bash $BASH_IT/enabled/250---c.plugin.bash
-  assert [ -L "$BASH_IT/enabled/250---c.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---c.plugin.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -292,17 +292,17 @@ function local_teardown {
   mkdir -p $BASH_IT/aliases/enabled
 
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---base.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/a.aliases.bash $BASH_IT/enabled/350---a.aliases.bash
-  assert [ -L "$BASH_IT/enabled/350---a.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/350---a.aliases.bash"
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---b.aliases.bash"
   ln -s $BASH_IT/plugins/available/c.plugin.bash $BASH_IT/enabled/250---c.plugin.bash
-  assert [ -L "$BASH_IT/enabled/250---c.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---c.plugin.bash"
   # Add one file in the old directory structure
   ln -s $BASH_IT/aliases/available/b.aliases.bash $BASH_IT/aliases/enabled/150---b.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---b.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---b.aliases.bash"
 
   # The `test_alias` alias should not exist
   run alias test_alias &> /dev/null
@@ -320,9 +320,9 @@ function local_teardown {
 @test "bash-it: load enabled aliases from new structure, priority-based" {
   mkdir -p $BASH_IT/enabled
   ln -s $BASH_IT/aliases/available/atom.aliases.bash $BASH_IT/enabled/150---atom.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---atom.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---atom.aliases.bash"
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---base.plugin.bash"
 
   # The `ah` alias should not exist
   run alias ah &> /dev/null
@@ -338,9 +338,9 @@ function local_teardown {
   mkdir -p $BASH_IT/aliases/enabled
   mkdir -p $BASH_IT/plugins/enabled
   ln -s $BASH_IT/aliases/available/atom.aliases.bash $BASH_IT/aliases/enabled/150---atom.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---atom.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---atom.aliases.bash"
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/plugins/enabled/250---base.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---base.plugin.bash"
 
   # The `ah` alias should not exist
   run alias ah &> /dev/null
@@ -356,9 +356,9 @@ function local_teardown {
   mkdir -p $BASH_IT/aliases/enabled
   mkdir -p $BASH_IT/plugins/enabled
   ln -s $BASH_IT/aliases/available/atom.aliases.bash $BASH_IT/aliases/enabled/atom.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/atom.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/atom.aliases.bash"
   ln -s $BASH_IT/plugins/available/base.plugin.bash $BASH_IT/plugins/enabled/base.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/base.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/base.plugin.bash"
 
   # The `ah` alias should not exist
   run alias ah &> /dev/null
diff --git a/test/completion/bash-it.completion.bats b/test/completion/bash-it.completion.bats
index b8aef96f..3cdc84ba 100644
--- a/test/completion/bash-it.completion.bats
+++ b/test/completion/bash-it.completion.bats
@@ -164,10 +164,10 @@ function __check_completion () {
 
 @test "completion bash-it: disable - provide the a* aliases when atom is enabled with the old location and name" {
   ln -s $BASH_IT/aliases/available/atom.aliases.bash $BASH_IT/aliases/enabled/atom.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/atom.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/atom.aliases.bash"
 
   ln -s $BASH_IT/completion/available/apm.completion.bash $BASH_IT/completion/enabled/apm.completion.bash
-  assert [ -L "$BASH_IT/completion/enabled/apm.completion.bash" ]
+  assert_link_exist "$BASH_IT/completion/enabled/apm.completion.bash"
 
   run __check_completion 'bash-it disable alias a'
   assert_line -n 0 "all atom"
@@ -175,10 +175,10 @@ function __check_completion () {
 
 @test "completion bash-it: disable - provide the a* aliases when atom is enabled with the old location and priority-based name" {
   ln -s $BASH_IT/aliases/available/atom.aliases.bash $BASH_IT/aliases/enabled/150---atom.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---atom.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---atom.aliases.bash"
 
   ln -s $BASH_IT/completion/available/apm.completion.bash $BASH_IT/completion/enabled/350---apm.completion.bash
-  assert [ -L "$BASH_IT/completion/enabled/350---apm.completion.bash" ]
+  assert_link_exist "$BASH_IT/completion/enabled/350---apm.completion.bash"
 
   run __check_completion 'bash-it disable alias a'
   assert_line -n 0 "all atom"
@@ -186,10 +186,10 @@ function __check_completion () {
 
 @test "completion bash-it: disable - provide the a* aliases when atom is enabled with the new location and priority-based name" {
   ln -s $BASH_IT/aliases/available/atom.aliases.bash $BASH_IT/enabled/150---atom.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---atom.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---atom.aliases.bash"
 
   ln -s $BASH_IT/completion/available/apm.completion.bash $BASH_IT/enabled/350---apm.completion.bash
-  assert [ -L "$BASH_IT/enabled/350---apm.completion.bash" ]
+  assert_link_exist "$BASH_IT/enabled/350---apm.completion.bash"
 
   run __check_completion 'bash-it disable alias a'
   assert_line -n 0 "all atom"
@@ -197,10 +197,10 @@ function __check_completion () {
 
 @test "completion bash-it: disable - provide the docker-machine plugin when docker-machine is enabled with the old location and name" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/aliases/enabled/docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/docker-compose.aliases.bash"
 
   ln -s $BASH_IT/plugins/available/docker-machine.plugin.bash $BASH_IT/plugins/enabled/docker-machine.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/docker-machine.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/docker-machine.plugin.bash"
 
   run __check_completion 'bash-it disable plugin docker'
   assert_line -n 0 "docker-machine"
@@ -208,10 +208,10 @@ function __check_completion () {
 
 @test "completion bash-it: disable - provide the docker-machine plugin when docker-machine is enabled with the old location and priority-based name" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/aliases/enabled/150---docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---docker-compose.aliases.bash"
 
   ln -s $BASH_IT/plugins/available/docker-machine.plugin.bash $BASH_IT/plugins/enabled/350---docker-machine.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/350---docker-machine.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/350---docker-machine.plugin.bash"
 
   run __check_completion 'bash-it disable plugin docker'
   assert_line -n 0 "docker-machine"
@@ -219,10 +219,10 @@ function __check_completion () {
 
 @test "completion bash-it: disable - provide the docker-machine plugin when docker-machine is enabled with the new location and priority-based name" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/enabled/150---docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---docker-compose.aliases.bash"
 
   ln -s $BASH_IT/plugins/available/docker-machine.plugin.bash $BASH_IT/enabled/350---docker-machine.plugin.bash
-  assert [ -L "$BASH_IT/enabled/350---docker-machine.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/350---docker-machine.plugin.bash"
 
   run __check_completion 'bash-it disable plugin docker'
   assert_line -n 0 "docker-machine"
@@ -230,10 +230,10 @@ function __check_completion () {
 
 @test "completion bash-it: disable - provide the todo.txt-cli aliases when todo plugin is enabled with the old location and name" {
   ln -s $BASH_IT/aliases/available/todo.txt-cli.aliases.bash $BASH_IT/aliases/enabled/todo.txt-cli.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/todo.txt-cli.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/todo.txt-cli.aliases.bash"
 
   ln -s $BASH_IT/plugins/available/todo.plugin.bash $BASH_IT/plugins/enabled/todo.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/todo.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/todo.plugin.bash"
 
   run __check_completion 'bash-it disable alias to'
   assert_line -n 0 "todo.txt-cli"
@@ -241,10 +241,10 @@ function __check_completion () {
 
 @test "completion bash-it: disable - provide the todo.txt-cli aliases when todo plugin is enabled with the old location and priority-based name" {
   ln -s $BASH_IT/aliases/available/todo.txt-cli.aliases.bash $BASH_IT/aliases/enabled/150---todo.txt-cli.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---todo.txt-cli.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---todo.txt-cli.aliases.bash"
 
   ln -s $BASH_IT/plugins/available/todo.plugin.bash $BASH_IT/plugins/enabled/350---todo.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/350---todo.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/350---todo.plugin.bash"
 
   run __check_completion 'bash-it disable alias to'
   assert_line -n 0 "todo.txt-cli"
@@ -252,10 +252,10 @@ function __check_completion () {
 
 @test "completion bash-it: disable - provide the todo.txt-cli aliases when todo plugin is enabled with the new location and priority-based name" {
   ln -s $BASH_IT/aliases/available/todo.txt-cli.aliases.bash $BASH_IT/enabled/150---todo.txt-cli.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---todo.txt-cli.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---todo.txt-cli.aliases.bash"
 
   ln -s $BASH_IT/plugins/available/todo.plugin.bash $BASH_IT/enabled/350---todo.plugin.bash
-  assert [ -L "$BASH_IT/enabled/350---todo.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/350---todo.plugin.bash"
 
   run __check_completion 'bash-it disable alias to'
   assert_line -n 0 "todo.txt-cli"
@@ -273,7 +273,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the a* aliases when atom is enabled with the old location and name" {
   ln -s $BASH_IT/aliases/available/atom.aliases.bash $BASH_IT/aliases/enabled/atom.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/atom.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/atom.aliases.bash"
 
   run __check_completion 'bash-it enable alias a'
   assert_line -n 0 "all ag ansible apt"
@@ -281,7 +281,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the a* aliases when atom is enabled with the old location and priority-based name" {
   ln -s $BASH_IT/aliases/available/atom.aliases.bash $BASH_IT/aliases/enabled/150---atom.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---atom.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---atom.aliases.bash"
 
   run __check_completion 'bash-it enable alias a'
   assert_line -n 0 "all ag ansible apt"
@@ -289,7 +289,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the a* aliases when atom is enabled with the new location and priority-based name" {
   ln -s $BASH_IT/aliases/available/atom.aliases.bash $BASH_IT/enabled/150---atom.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---atom.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---atom.aliases.bash"
 
   run __check_completion 'bash-it enable alias a'
   assert_line -n 0 "all ag ansible apt"
@@ -297,7 +297,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the docker-* plugins when nothing is enabled with the old location and name" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/aliases/enabled/docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/docker-compose.aliases.bash"
 
   run __check_completion 'bash-it enable plugin docker'
   assert_line -n 0 "docker-compose docker-machine docker"
@@ -305,7 +305,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the docker-* plugins when nothing is enabled with the old location and priority-based name" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/aliases/enabled/150---docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---docker-compose.aliases.bash"
 
   run __check_completion 'bash-it enable plugin docker'
   assert_line -n 0 "docker-compose docker-machine docker"
@@ -313,7 +313,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the docker-* plugins when nothing is enabled with the new location and priority-based name" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/enabled/150---docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---docker-compose.aliases.bash"
 
   run __check_completion 'bash-it enable plugin docker'
   assert_line -n 0 "docker-compose docker-machine docker"
@@ -321,7 +321,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the docker-* completions when nothing is enabled with the old location and name" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/aliases/enabled/docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/docker-compose.aliases.bash"
 
   run __check_completion 'bash-it enable completion docker'
   assert_line -n 0 "docker docker-compose docker-machine"
@@ -329,7 +329,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the docker-* completions when nothing is enabled with the old location and priority-based name" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/aliases/enabled/150---docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---docker-compose.aliases.bash"
 
   run __check_completion 'bash-it enable completion docker'
   assert_line -n 0 "docker docker-compose docker-machine"
@@ -337,7 +337,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the docker-* completions when nothing is enabled with the new location and priority-based name" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/enabled/150---docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---docker-compose.aliases.bash"
 
   run __check_completion 'bash-it enable completion docker'
   assert_line -n 0 "docker docker-compose docker-machine"
@@ -345,7 +345,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the todo.txt-cli aliases when todo plugin is enabled with the old location and name" {
   ln -s $BASH_IT/plugins/available/todo.plugin.bash $BASH_IT/plugins/enabled/todo.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/todo.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/todo.plugin.bash"
 
   run __check_completion 'bash-it enable alias to'
   assert_line -n 0 "todo.txt-cli"
@@ -353,7 +353,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the todo.txt-cli aliases when todo plugin is enabled with the old location and priority-based name" {
   ln -s $BASH_IT/plugins/available/todo.plugin.bash $BASH_IT/plugins/enabled/350---todo.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/350---todo.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/350---todo.plugin.bash"
 
   run __check_completion 'bash-it enable alias to'
   assert_line -n 0 "todo.txt-cli"
@@ -361,7 +361,7 @@ function __check_completion () {
 
 @test "completion bash-it: enable - provide the todo.txt-cli aliases when todo plugin is enabled with the new location and priority-based name" {
   ln -s $BASH_IT/plugins/available/todo.plugin.bash $BASH_IT/enabled/350---todo.plugin.bash
-  assert [ -L "$BASH_IT/enabled/350---todo.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/350---todo.plugin.bash"
 
   run __check_completion 'bash-it enable alias to'
   assert_line -n 0 "todo.txt-cli"
diff --git a/test/install/install.bats b/test/install/install.bats
index 23684137..7e971d1f 100644
--- a/test/install/install.bats
+++ b/test/install/install.bats
@@ -52,11 +52,11 @@ function local_teardown {
 
   assert_file_exist "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE"
 
-  assert [ -L "$BASH_IT/enabled/150---general.aliases.bash" ]
-  assert [ -L "$BASH_IT/enabled/250---base.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/365---alias-completion.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/350---bash-it.completion.bash" ]
-  assert [ -L "$BASH_IT/enabled/350---system.completion.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---general.aliases.bash"
+  assert_link_exist "$BASH_IT/enabled/250---base.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/365---alias-completion.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/350---bash-it.completion.bash"
+  assert_link_exist "$BASH_IT/enabled/350---system.completion.bash"
 }
 
 @test "install: verify that a backup file is created" {
diff --git a/test/lib/helpers.bats b/test/lib/helpers.bats
index db956fc2..08e4ec5f 100644
--- a/test/lib/helpers.bats
+++ b/test/lib/helpers.bats
@@ -67,7 +67,7 @@ function local_setup {
 
 @test "helpers: bash-it help list aliases with ag aliases enabled" {
   ln -s $BASH_IT/aliases/available/ag.aliases.bash $BASH_IT/aliases/enabled/150---ag.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---ag.aliases.bash"
 
   run _help-list-aliases "$BASH_IT/aliases/enabled/150---ag.aliases.bash"
   assert_line -n 0 "ag:"
@@ -75,7 +75,7 @@ function local_setup {
 
 @test "helpers: bash-it help list aliases with todo.txt-cli aliases enabled" {
   ln -s $BASH_IT/aliases/available/todo.txt-cli.aliases.bash $BASH_IT/aliases/enabled/150---todo.txt-cli.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---todo.txt-cli.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---todo.txt-cli.aliases.bash"
 
   run _help-list-aliases "$BASH_IT/aliases/enabled/150---todo.txt-cli.aliases.bash"
   assert_line -n 0 "todo.txt-cli:"
@@ -83,7 +83,7 @@ function local_setup {
 
 @test "helpers: bash-it help list aliases with docker-compose aliases enabled" {
   ln -s $BASH_IT/aliases/available/docker-compose.aliases.bash $BASH_IT/aliases/enabled/150---docker-compose.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---docker-compose.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---docker-compose.aliases.bash"
 
   run _help-list-aliases "$BASH_IT/aliases/enabled/150---docker-compose.aliases.bash"
   assert_line -n 0 "docker-compose:"
@@ -91,7 +91,7 @@ function local_setup {
 
 @test "helpers: bash-it help list aliases with ag aliases enabled in global directory" {
   ln -s $BASH_IT/aliases/available/ag.aliases.bash $BASH_IT/enabled/150---ag.aliases.bash
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 
   run _help-list-aliases "$BASH_IT/enabled/150---ag.aliases.bash"
   assert_line -n 0 "ag:"
@@ -99,7 +99,7 @@ function local_setup {
 
 @test "helpers: bash-it help aliases one alias enabled in the old directory" {
   ln -s $BASH_IT/aliases/available/ag.aliases.bash $BASH_IT/aliases/enabled/150---ag.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/150---ag.aliases.bash"
 
   run bash-it help aliases
   assert_line -n 0 "ag:"
@@ -108,11 +108,11 @@ function local_setup {
 @test "helpers: bash-it help aliases one alias enabled in global directory" {
   run bash-it enable alias "ag"
   assert_line -n 0 'ag enabled with priority 150.'
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 
   run bash-it enable plugin "aws"
   assert_line -n 0 'aws enabled with priority 250.'
-  assert [ -L "$BASH_IT/enabled/250---aws.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---aws.plugin.bash"
 
   run bash-it help aliases
   assert_line -n 0 "ag:"
@@ -122,31 +122,31 @@ function local_setup {
 @test "helpers: enable the todo.txt-cli aliases through the bash-it function" {
   run bash-it enable alias "todo.txt-cli"
   assert_line -n 0 'todo.txt-cli enabled with priority 150.'
-  assert [ -L "$BASH_IT/enabled/150---todo.txt-cli.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---todo.txt-cli.aliases.bash"
 }
 
 @test "helpers: enable the curl aliases" {
   run _enable-alias "curl"
   assert_line -n 0 'curl enabled with priority 150.'
-  assert [ -L "$BASH_IT/enabled/150---curl.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---curl.aliases.bash"
 }
 
 @test "helpers: enable the apm completion through the bash-it function" {
   run bash-it enable completion "apm"
   assert_line -n 0 'apm enabled with priority 350.'
-  assert [ -L "$BASH_IT/enabled/350---apm.completion.bash" ]
+  assert_link_exist "$BASH_IT/enabled/350---apm.completion.bash"
 }
 
 @test "helpers: enable the brew completion" {
   run _enable-completion "brew"
   assert_line -n 0 'brew enabled with priority 350.'
-  assert [ -L "$BASH_IT/enabled/350---brew.completion.bash" ]
+  assert_link_exist "$BASH_IT/enabled/350---brew.completion.bash"
 }
 
 @test "helpers: enable the node plugin" {
   run _enable-plugin "node"
   assert_line -n 0 'node enabled with priority 250.'
-  assert [ -L "$BASH_IT/enabled/250---node.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---node.plugin.bash"
 
   assert_equal "../plugins/available/node.plugin.bash" "`readlink $BASH_IT/enabled/250---node.plugin.bash`"
 }
@@ -154,28 +154,28 @@ function local_setup {
 @test "helpers: enable the node plugin through the bash-it function" {
   run bash-it enable plugin "node"
   assert_line -n 0 'node enabled with priority 250.'
-  assert [ -L "$BASH_IT/enabled/250---node.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---node.plugin.bash"
 }
 
 @test "helpers: enable the node and nvm plugins through the bash-it function" {
   run bash-it enable plugin "node" "nvm"
   assert_line -n 0 'node enabled with priority 250.'
   assert_line -n 1 'nvm enabled with priority 225.'
-  assert [ -L "$BASH_IT/enabled/250---node.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---node.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
 }
 
 @test "helpers: enable the foo-unkown and nvm plugins through the bash-it function" {
   run bash-it enable plugin "foo-unknown" "nvm"
   assert_line -n 0 'sorry, foo-unknown does not appear to be an available plugin.'
   assert_line -n 1 'nvm enabled with priority 225.'
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
 }
 
 @test "helpers: enable the nvm plugin" {
   run _enable-plugin "nvm"
   assert_line -n 0 'nvm enabled with priority 225.'
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
 }
 
 @test "helpers: enable an unknown plugin" {
@@ -211,7 +211,7 @@ function local_setup {
 @test "helpers: enable and disable the nvm plugin" {
   run _enable-plugin "nvm"
   assert_line -n 0 'nvm enabled with priority 225.'
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
   assert [ ! -L "$BASH_IT/plugins/enabled/225---nvm.plugin.bash" ]
 
   run _disable-plugin "nvm"
@@ -221,7 +221,7 @@ function local_setup {
 
 @test "helpers: disable the nvm plugin if it was enabled with a priority, but in the component-specific directory" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/225---nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/225---nvm.plugin.bash"
   assert [ ! -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
 
   run _disable-plugin "nvm"
@@ -232,7 +232,7 @@ function local_setup {
 
 @test "helpers: disable the nvm plugin if it was enabled without a priority" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/nvm.plugin.bash"
 
   run _disable-plugin "nvm"
   assert_line -n 0 'nvm disabled.'
@@ -241,42 +241,42 @@ function local_setup {
 
 @test "helpers: enable the nvm plugin if it was enabled without a priority" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/nvm.plugin.bash"
 
   run _enable-plugin "nvm"
   assert_line -n 0 'nvm is already enabled.'
-  assert [ -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/nvm.plugin.bash"
   assert [ ! -L "$BASH_IT/plugins/enabled/225---nvm.plugin.bash" ]
   assert [ ! -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
 }
 
 @test "helpers: enable the nvm plugin if it was enabled with a priority, but in the component-specific directory" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/225---nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/225---nvm.plugin.bash"
 
   run _enable-plugin "nvm"
   assert_line -n 0 'nvm is already enabled.'
   assert [ ! -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
-  assert [ -L "$BASH_IT/plugins/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/225---nvm.plugin.bash"
   assert [ ! -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
 }
 
 @test "helpers: enable the nvm plugin twice" {
   run _enable-plugin "nvm"
   assert_line -n 0 'nvm enabled with priority 225.'
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
 
   run _enable-plugin "nvm"
   assert_line -n 0 'nvm is already enabled.'
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
 }
 
 @test "helpers: migrate plugins and completions that share the same name" {
   ln -s $BASH_IT/completion/available/dirs.completion.bash $BASH_IT/completion/enabled/350---dirs.completion.bash
-  assert [ -L "$BASH_IT/completion/enabled/350---dirs.completion.bash" ]
+  assert_link_exist "$BASH_IT/completion/enabled/350---dirs.completion.bash"
 
   ln -s $BASH_IT/plugins/available/dirs.plugin.bash $BASH_IT/plugins/enabled/250---dirs.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---dirs.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---dirs.plugin.bash"
 
   run _bash-it-migrate
   assert_line -n 0 'Migrating plugin dirs.'
@@ -287,34 +287,34 @@ function local_setup {
   assert_line -n 5 'dirs enabled with priority 350.'
   assert_line -n 6 'If any migration errors were reported, please try the following: reload && bash-it migrate'
 
-  assert [ -L "$BASH_IT/enabled/350---dirs.completion.bash" ]
-  assert [ -L "$BASH_IT/enabled/250---dirs.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/350---dirs.completion.bash"
+  assert_link_exist "$BASH_IT/enabled/250---dirs.plugin.bash"
   assert [ ! -L "$BASH_IT/completion/enabled/350----dirs.completion.bash" ]
   assert [ ! -L "$BASH_IT/plugins/enabled/250----dirs.plugin.bash" ]
 }
 
 @test "helpers: migrate enabled plugins that don't use the new priority-based configuration" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/nvm.plugin.bash"
 
   ln -s $BASH_IT/plugins/available/node.plugin.bash $BASH_IT/plugins/enabled/node.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/node.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/node.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/todo.txt-cli.aliases.bash $BASH_IT/aliases/enabled/todo.txt-cli.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/todo.txt-cli.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/todo.txt-cli.aliases.bash"
 
   run _enable-plugin "ssh"
-  assert [ -L "$BASH_IT/enabled/250---ssh.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---ssh.plugin.bash"
 
   run _bash-it-migrate
   assert_line -n 0 'Migrating alias todo.txt-cli.'
   assert_line -n 1 'todo.txt-cli disabled.'
   assert_line -n 2 'todo.txt-cli enabled with priority 150.'
 
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/250---node.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/250---ssh.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/150---todo.txt-cli.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/250---node.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/250---ssh.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/150---todo.txt-cli.aliases.bash"
   assert [ ! -L "$BASH_IT/plugins/enabled/node.plugin.bash" ]
   assert [ ! -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
   assert [ ! -L "$BASH_IT/aliases/enabled/todo.txt-cli.aliases.bash" ]
@@ -322,22 +322,22 @@ function local_setup {
 
 @test "helpers: migrate enabled plugins that use the new priority-based configuration in the individual directories" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/225---nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/225---nvm.plugin.bash"
 
   ln -s $BASH_IT/plugins/available/node.plugin.bash $BASH_IT/plugins/enabled/250---node.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---node.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---node.plugin.bash"
 
   ln -s $BASH_IT/aliases/available/todo.txt-cli.aliases.bash $BASH_IT/aliases/enabled/250---todo.txt-cli.aliases.bash
-  assert [ -L "$BASH_IT/aliases/enabled/250---todo.txt-cli.aliases.bash" ]
+  assert_link_exist "$BASH_IT/aliases/enabled/250---todo.txt-cli.aliases.bash"
 
   run _enable-plugin "ssh"
-  assert [ -L "$BASH_IT/enabled/250---ssh.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---ssh.plugin.bash"
 
   run _bash-it-migrate
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/250---node.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/250---ssh.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/150---todo.txt-cli.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/250---node.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/250---ssh.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/150---todo.txt-cli.aliases.bash"
   assert [ ! -L "$BASH_IT/plugins/enabled/225----node.plugin.bash" ]
   assert [ ! -L "$BASH_IT/plugins/enabled/250----nvm.plugin.bash" ]
   assert [ ! -L "$BASH_IT/aliases/enabled/250----todo.txt-cli.aliases.bash" ]
@@ -349,10 +349,10 @@ function local_setup {
 
 @test "helpers: run the migrate command without anything to migrate" {
   run _enable-plugin "ssh"
-  assert [ -L "$BASH_IT/enabled/250---ssh.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---ssh.plugin.bash"
 
   run _bash-it-migrate
-  assert [ -L "$BASH_IT/enabled/250---ssh.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/250---ssh.plugin.bash"
 }
 
 function __migrate_all_components() {
@@ -430,7 +430,7 @@ function __migrate_all_components() {
 
 @test "helpers: verify that existing components are automatically migrated when something is enabled" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/nvm.plugin.bash"
 
   run bash-it enable plugin "node"
   assert_line -n 0 'Migrating plugin nvm.'
@@ -439,15 +439,15 @@ function __migrate_all_components() {
   assert_line -n 3 'If any migration errors were reported, please try the following: reload && bash-it migrate'
   assert_line -n 4 'node enabled with priority 250.'
   assert [ ! -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/250---node.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
+  assert_link_exist "$BASH_IT/enabled/250---node.plugin.bash"
 }
 
 @test "helpers: verify that existing components are automatically migrated when something is disabled" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/nvm.plugin.bash"
   ln -s $BASH_IT/plugins/available/node.plugin.bash $BASH_IT/plugins/enabled/250---node.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---node.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---node.plugin.bash"
 
   run bash-it disable plugin "node"
   assert_line -n 0 'Migrating plugin node.'
@@ -459,7 +459,7 @@ function __migrate_all_components() {
   assert_line -n 6 'If any migration errors were reported, please try the following: reload && bash-it migrate'
   assert_line -n 7 'node disabled.'
   assert [ ! -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
   assert [ ! -L "$BASH_IT/plugins/enabled/250---node.plugin.bash" ]
   assert [ ! -L "$BASH_IT/enabled/250---node.plugin.bash" ]
 }
@@ -478,50 +478,50 @@ function __migrate_all_components() {
   assert_equal "$available" "$enabled"
 
   run _enable-alias "ag"
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 
   run _disable-plugin "all"
   local enabled2=$(find $BASH_IT/enabled -name [0-9]*.plugin.bash | wc -l | xargs)
   assert_equal "0" "$enabled2"
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 }
 
 @test "helpers: disable all plugins in the old directory structure" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/nvm.plugin.bash"
 
   ln -s $BASH_IT/plugins/available/node.plugin.bash $BASH_IT/plugins/enabled/node.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/node.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/node.plugin.bash"
 
   local enabled=$(find $BASH_IT/plugins/enabled -name *.plugin.bash | wc -l | xargs)
   assert_equal "2" "$enabled"
 
   run _enable-alias "ag"
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 
   run _disable-plugin "all"
   local enabled2=$(find $BASH_IT/plugins/enabled -name *.plugin.bash | wc -l | xargs)
   assert_equal "0" "$enabled2"
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 }
 
 @test "helpers: disable all plugins in the old directory structure with priority" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/250---nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---nvm.plugin.bash"
 
   ln -s $BASH_IT/plugins/available/node.plugin.bash $BASH_IT/plugins/enabled/250---node.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/250---node.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/250---node.plugin.bash"
 
   local enabled=$(find $BASH_IT/plugins/enabled -name *.plugin.bash | wc -l | xargs)
   assert_equal "2" "$enabled"
 
   run _enable-alias "ag"
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 
   run _disable-plugin "all"
   local enabled2=$(find $BASH_IT/plugins/enabled -name *.plugin.bash | wc -l | xargs)
   assert_equal "0" "$enabled2"
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 }
 
 @test "helpers: disable all plugins without anything enabled" {
@@ -529,18 +529,18 @@ function __migrate_all_components() {
   assert_equal "0" "$enabled"
 
   run _enable-alias "ag"
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 
   run _disable-plugin "all"
   local enabled2=$(find $BASH_IT/enabled -name [0-9]*.plugin.bash | wc -l | xargs)
   assert_equal "0" "$enabled2"
-  assert [ -L "$BASH_IT/enabled/150---ag.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ag.aliases.bash"
 }
 
 @test "helpers: enable the ansible aliases through the bash-it function" {
   run bash-it enable alias "ansible"
   assert_line -n 0 'ansible enabled with priority 150.'
-  assert [ -L "$BASH_IT/enabled/150---ansible.aliases.bash" ]
+  assert_link_exist "$BASH_IT/enabled/150---ansible.aliases.bash"
 }
 
 @test "helpers: describe the nvm plugin without enabling it" {
@@ -550,21 +550,21 @@ function __migrate_all_components() {
 @test "helpers: describe the nvm plugin after enabling it" {
   run _enable-plugin "nvm"
   assert_line -n 0 'nvm enabled with priority 225.'
-  assert [ -L "$BASH_IT/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/enabled/225---nvm.plugin.bash"
 
   _bash-it-plugins | grep "nvm" | grep "\[x\]"
 }
 
 @test "helpers: describe the nvm plugin after enabling it in the old directory" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/nvm.plugin.bash"
 
   _bash-it-plugins | grep "nvm" | grep "\[x\]"
 }
 
 @test "helpers: describe the nvm plugin after enabling it in the old directory with priority" {
   ln -s $BASH_IT/plugins/available/nvm.plugin.bash $BASH_IT/plugins/enabled/225---nvm.plugin.bash
-  assert [ -L "$BASH_IT/plugins/enabled/225---nvm.plugin.bash" ]
+  assert_link_exist "$BASH_IT/plugins/enabled/225---nvm.plugin.bash"
 
   _bash-it-plugins | grep "nvm" | grep "\[x\]"
 }
diff --git a/test/test_helper.bash b/test/test_helper.bash
index 9155b434..e2bb9442 100644
--- a/test/test_helper.bash
+++ b/test/test_helper.bash
@@ -39,3 +39,48 @@ teardown() {
 
   rm -rf "${BASH_IT_TEST_DIR}"
 }
+
+# Fail and display path of the link if it does not exist. Also fails
+# if the path exists, but is not a link.
+# This function is the logical complement of `assert_file_not_exist'.
+# There is no dedicated function for checking that a link does not exist.
+#
+# Globals:
+#   BATSLIB_FILE_PATH_REM
+#   BATSLIB_FILE_PATH_ADD
+# Arguments:
+#   $1 - path
+# Returns:
+#   0 - link exists and is a link
+#   1 - otherwise
+# Outputs:
+#   STDERR - details, on failure
+assert_link_exist() {
+  local -r file="$1"
+  local -r target="$2"
+  if [[ ! -L "$file" ]]; then
+    local -r rem="$BATSLIB_FILE_PATH_REM"
+    local -r add="$BATSLIB_FILE_PATH_ADD"
+    if [[ -e "$file" ]]; then
+      batslib_print_kv_single 4 'path' "${file/$rem/$add}" \
+        | batslib_decorate 'exists, but is not a link' \
+        | fail
+    else
+      batslib_print_kv_single 4 'path' "${file/$rem/$add}" \
+        | batslib_decorate 'link does not exist' \
+        | fail
+    fi
+  else
+    if [ -n "$target" ]; then
+      local link_target=''
+      link_target=$(readlink "$file")
+      if [[ "$link_target" != "$target" ]]; then
+        batslib_print_kv_single_or_multi 8 'path' "${file/$rem/$add}" \
+            'expected' "$target" \
+            'actual'   "$link_target" \
+          | batslib_decorate 'link exists, but does not point to target file' \
+          | fail
+      fi
+    fi
+  fi
+}