def test_writer_use_strict(self):
# this mimicks calmjs.rjs umd header/footer
stream = StringIO()
writer = vlqsm.SourceWriter(stream)
writer.write_padding('define(\n')
writer.write_padding(' function(require, exports, module) {\n')
writer.write('"use strict";\n')
writer.write_padding(' var exports = {}\n')
writer.write('console.log("hello world");\n')
writer.write('console.log("welcome");\n')
writer.write('console.log("goodbye world");\n')
writer.write_padding('});\n')
self.assertEqual(writer.mappings, [
[],
[],
[(0, 0, 0, 0,)],
[],
[(0, 0, 1, 0,)],
[(0, 0, 1, 0,)],
[(0, 0, 1, 0,)],
[],
[],
])
self.assertEqual(stream.getvalue(), (
'define(\n'
' function(require, exports, module) {\n'
'"use strict";\n'
' var exports = {}\n'
'console.log("hello world");\n'
'console.log("welcome");\n'
'console.log("goodbye world");\n'
'});\n'
))
def test_writer_hf_discarded_indented_source(self):
stream = StringIO()
writer = vlqsm.SourceWriter(stream)
writer.write_padding('define(function(require, exports, module) {\n')
writer.discard('\n')
writer.write('console.log("hello world");\n')
writer.write('console.log("welcome");\n')
writer.write('console.log("goodbye world");\n')
writer.write_padding('});\n')
self.assertEqual(writer.mappings, [
[],
[(0, 0, 1, 0,)],
[(0, 0, 1, 0,)],
[(0, 0, 1, 0,)],
[],
[],
])
self.assertEqual(stream.getvalue(), (
'define(function(require, exports, module) {\n'
'console.log("hello world");\n'
'console.log("welcome");\n'
'console.log("goodbye world");\n'
'});\n'
))
def test_writer_write_padding(self):
stream = StringIO()
writer = vlqsm.SourceWriter(stream)
writer.write_padding('hello\n')
writer.write_padding('hello\n')
writer.write_padding('hello\n')
self.assertEqual(stream.getvalue(), 'hello\nhello\nhello\n')
self.assertEqual(writer.mappings, [
[], [], [], []
])
def test_writer_single_line(self):
# just documenting the partial support for line tracking.
stream = StringIO()
writer = vlqsm.SourceWriter(stream)
writer.write('hello ')
writer.write('hello ')
writer.write('hello ')
self.assertEqual(stream.getvalue(), 'hello hello hello ')
self.assertEqual(writer.mappings, [
[(0, 0, 0, 0,), (6, 0, 0, 6,), (6, 0, 0, 6,)]
])
def test_writer_base(self):
stream = StringIO()
writer = vlqsm.SourceWriter(stream)
writer.write('hello\n')
writer.write('hello\n')
writer.write('hello\n')
self.assertEqual(stream.getvalue(), 'hello\nhello\nhello\n')
self.assertEqual(writer.mappings, [
[(0, 0, 0, 0,)],
[(0, 0, 1, 0,)],
[(0, 0, 1, 0,)],
[],
])
def test_writer_hf_deindented_source(self):
stream = StringIO()
writer = vlqsm.SourceWriter(stream)
writer.write_padding('define(function(require, exports, module) {\n')
with pretty_logging(stream=StringIO()) as s:
writer.discard(' ')
writer.write('console.log("hello world");\n')
writer.discard(' ')
writer.write('console.log("welcome");\n')
writer.discard(' ')
writer.write('console.log("goodbye world");\n')
writer.write_padding('});\n')
self.assertIn('partial line discard UNSUPPORTED;', s.getvalue())
self.assertEqual(1, len(s.getvalue().splitlines()))
self.assertEqual(writer.mappings, [
[],
# if this is supported, it should be this:
# [(0, 0, 0, 4,)],
# with remaining
# [(0, 0, 1, 0,)],
# however, to track this it will take more work than I
# care to give to figure this out for all the possible
# cases
[(0, 0, 0, 0,)],
[(0, 0, 1, 0,)],
[(0, 0, 1, 0,)],
[],
[],
])
self.assertEqual(stream.getvalue(), (
'define(function(require, exports, module) {\n'
'console.log("hello world");\n'
'console.log("welcome");\n'
'console.log("goodbye world");\n'
'});\n'
))