tests for the repl: ignoring comments, output in inspect mode, variable saving

test/repl.coffee

@@ -1,4 +1,43 @@
 # REPL
 # ----
 
-# TODO: add tests
+# TODO: add more tests
+{spawn} = require 'child_process'
+PROMPT  = 'coffee> '
+
+testOutput = (expected, actual) ->
+  eq expected, actual.slice(0, expected.length)
+  actual.substr expected.length
+
+testCommands = (input, expectedOutput) ->
+  input          = [input]          if typeof input is 'string'
+  expectedOutput = [expectedOutput] if typeof expectedOutput is 'string'
+  output         = ''
+  coffee         = spawn 'bin/coffee'
+  input.push 'process.exit()'
+
+  coffee.stdout.on 'data', (data) ->
+    output += data.toString().replace(/\u001b\[\d{0,2}m/g, '')
+    coffee.stdin.write "#{input.shift()}\n"
+
+  coffee.on 'exit', ->
+    output = testOutput PROMPT, output
+    while expectedOutput.length > 0
+      output = testOutput "#{expectedOutput.shift()}\n#{PROMPT}", output
+    eq '', output
+
+test "comments are ignored", ->
+  testCommands "1 + 1 #foo", "2"
+
+test "output in inspect mode", ->
+  testCommands '"1 + 1\\n"', "'1 + 1\\n'"
+
+test "variables are saved", ->
+  input = [
+    "foo = 'foo'"
+    'foobar = "#{foo}bar"'
+  ]
+  testCommands input, [
+    "'foo'"
+    "'foobar'"
+  ]

test/test.html

@@ -106,7 +106,6 @@
     'option_parser'
     'ranges'
     'regexps'
-    'repl'
     'scope'
     'slicing_and_splicing'
     'soaks'