import assert
move = Move

assertContainsText = ^(source, text) {
  index = source.indexOf text
  assert.ok(index !== -1, JSON.stringify(text)+' expected (but not found)')
  index
}

# Test preprocessor plugin API

fooProcessor = ^(source, options) {
  source + ';\nfooProcessorWasHere = true'
}

BarProcessor = {
  message: 'BarProcessorWasHere',
  process: ^(source, options) {
    source + ';\n'+@message+' = true'
  }
}

# Test passing a process function directly to compile
jscode = move.compile 'x = 5', {preprocess:[fooProcessor]}
assertContainsText jscode, "fooProcessorWasHere = true"

# Test passing a process object directly to compile
jscode = move.compile 'x = 5', {preprocess:[BarProcessor]}
assertContainsText jscode, "BarProcessorWasHere = true"

# Register a 'foo' preprocessor
move.preprocessors['foo'] = fooProcessor
jscode = move.compile 'x = 5', {preprocess:['foo']}
assertContainsText jscode, "fooProcessorWasHere = true"

# Register a 'bar' preprocessor
move.preprocessors['bar'] = BarProcessor
jscode = move.compile 'x = 5', {preprocess:['bar']}
assertContainsText jscode, "BarProcessorWasHere = true"

# Test preceedence bar before foo
jscode = move.compile 'x = 5', {preprocess:['bar', 'foo']}
index1 = assertContainsText jscode, "BarProcessorWasHere = true"
index2 = assertContainsText jscode, "fooProcessorWasHere = true"
assert.ok index1 < index2, '"bar" processor did not apply before "foo"'

# Test preceedence foo before bar
jscode = move.compile 'x = 5', {preprocess:['foo', 'bar']}
index1 = assertContainsText jscode, "fooProcessorWasHere = true"
index2 = assertContainsText jscode, "BarProcessorWasHere = true"
assert.ok index1 < index2, '"bar" processor did not apply before "foo"'