Adds completion tests.

Resolves issue #7.

.travis.yml

@@ -4,10 +4,7 @@ before_install:
     - sudo apt-get update
     - sudo apt-get -y install fish
     - curl -s "https://get.sdkman.io" | bash
-    - source "${HOME}"/.sdkman/bin/sdkman-init.sh
-    - sdk install ant 1.9.9
-    - echo "y" | sdk install ant 1.10.1
-    - sdk default ant 1.10.1
+    - bash test/prepare_tests.sh
 
 install:
     - mkdir -p "${HOME}"/.config/fish/{completions,conf.d,functions}
@@ -17,6 +14,8 @@ install:
 
 jobs:
   include:
+    - stage: Completion Tests
+      script: ruby test/completion.rb
     - stage: General Wrapper Tests
       script: fish test/wrapper.fish
     - stage: Ticket-specific tests

test/completion.rb

@@ -0,0 +1,160 @@
+#!/usr/bin/env ruby
+
+# Includes completion examples with the intent to cover 
+# all sdk commands
+# Beware, pasta follows.
+
+test_cases = {
+    # Basic commands (in the order of `sdk help`):
+    "i" => ["i", "install"],
+    "u" => ["u", "ug", "uninstall", "update", "upgrade", "use"],
+    "r" => ["rm"],
+    "l" => ["list", "ls"],
+    "d" => ["d", "default"],
+    "c" => ["c", "current"],
+    "v" => ["v", "version"],
+    "b" => ["b", "broadcast"],
+    "h" => ["h", "help"],
+    "o" => ["offline"],
+    "s" => ["selfupdate"],
+    "f" => ["flush"],
+    # Currently uncovered; include to catch new upstream commands:
+    "a" => [],
+    "e" => [],
+    "g" => [],
+    "j" => [],
+    "k" => [],
+    "m" => [],
+    "n" => [],
+    "p" => [],
+    "q" => [],
+    "t" => [],
+    "w" => [],
+    "x" => [],
+    "y" => [],
+    "z" => [],
+
+    # Second parameters complete correctly
+    "install an" => ["ant"],
+    "install xyz" => [],
+    "install 1." => [],
+
+    "uninstall " => ["ant"],
+    "uninstall an" => ["ant"],
+    "uninstall j" => [],
+    "uninstall 1." => [],
+
+    "list an" => ["ant"],
+    "list xyz" => [],
+    "list 1." => [],
+
+    "use " => ["ant"],
+    "use an" => ["ant"],
+    "use j" => [],
+    "use 1." => [],
+
+    "default " => ["ant"],
+    "default an" => ["ant"],
+    "default j" => [],
+    "default 1." => [],
+
+    "current an" => ["ant"],
+    "current xyz" => [],
+    # "default j" => [], # TODO: should uninstalled candidates complete here?
+    "current 1." => [],
+
+    "upgrade " => ["ant"],
+    "upgrade an" => ["ant"],
+    "upgrade j" => [],
+    "upgrade 1." => [],
+
+    "version " => [],
+    "version a" => [],
+
+    "broadcast " => [],
+    "broadcast a" => [],
+
+    "help " => [],
+    "help a" => [],
+
+    "offline " => ["enable", "disable"],
+    "offline a" => [],
+
+    "selfupdate " => ["force"],
+    "selfupdate a" => [],
+
+    "update " => [],
+    "update a" => [],
+
+    "flush " => ["broadcast", "archives", "temp"],
+    "flush a" => [],
+
+    # Third parameters complete correctly
+    #"install ant 1.10." => ["1.10.0", "1.10.1"], # TODO: issue #4
+    "uninstall ant 1.10." => ["1.10.1"],
+    "list " => [],
+    "use ant " => ["1.9.9", "1.10.1"],
+    "default ant " => ["1.9.9", "1.10.1"],
+    "current " => [],
+    "upgrade " => [],
+    "offline " => [],
+    "selfupdate " => [],
+    "flush " => [],
+
+    # Fourth parameters complete correctly
+    "install ant 1.10.2 " => [],
+    "uninstall ant 1.10.1 " => [],
+    "use ant 1.10.1 " => [],
+    "default ant 1.10.1 " => [],
+
+    # Lists of all candidates work
+    "install gr" => ["gradle", "grails", "groovy", "groovyserv"],
+    "install grad" => ["gradle"],
+    "install gradk" => [],
+
+    # Lists of installed candidates work
+    "uninstall an" => ["ant"],
+    "uninstall gr" => [],
+    "uninstall xyz" => [],
+
+    # List of all versions work
+    # TODO
+
+    # List of installed versions work
+    "uninstall ant 1" => ["1.9.9", "1.10.1"],
+    "uninstall ant 2" => [],
+    "uninstall vertx " => [],
+    "uninstall an " => []
+}
+
+def fish_command(prompt)
+    # Fish errors out if we don't set terminal dimensions
+    "fish -c 'stty rows 80 columns 80; complete -C\"sdk #{prompt}\"'"
+end
+
+def extract(completion_output)
+    completion_output.split("\n").map { |line| 
+        line.split(/\s+/)[0].strip 
+    }
+end
+
+puts "Testing sdk completions"
+failures = 0
+test_cases.each { |prompt, results|
+    results.sort!
+
+    print "  Test: 'sdk #{prompt}'"
+    completions = extract(`#{fish_command(prompt)}`).sort
+    if completions != results
+        puts " -- bad!"
+        puts "  - Expected: #{results}"
+        puts "  - Actual:   #{completions}"
+        failures += 1
+    else
+        puts " -- ok!"
+    end
+}
+
+puts "Ran #{test_cases.size} checks each."
+puts "#{failures}/#{test_cases.size} checks failed."
+exit failures > 0 ? 1 : 0

test/prepare_tests.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+source "${HOME}"/.sdkman/bin/sdkman-init.sh
+
+# Set up an SDK with two installed versions
+# --> test of `sdk use` in wrapper.fish 
+# --> tests in completion.rb
+sdk install ant 1.9.9
+echo "y" | sdk install ant 1.10.1
+sdk default ant 1.10.1

test/wrapper.fish

@@ -1,3 +1,7 @@
+# Test that a couple of commands have the same effect when run through
+# the fish wrapper and directly.
+# Verifies equality of (standard) output, exit code, and PATH.
+
 set test_commands \
     "sdk" \
     "sdk version" \