def test_step_comments(self):
s = Step(targets='a',
dependencies=[],
commands=[['touch', 'a']],
comment='Step to build a')
self.assertEqual(write_step(s).split('\n')[0], '# Step to build a')
def test_tab_indentation(self):
# Make requires that all command lines be tab-indented
s = Step(targets=['a', 'b'],
dependencies=['c', 'd'],
commands=[['echo', 'c', '>', 'a'], ['echo', 'd', '>', 'b']])
lines = write_step(s).strip().split('\n')
for line in lines[1:]:
self.assertEqual(line[0], '\t')
def test_target_directories_created_but_only_once(self):
s = Step(
targets=['/tmp/fizz/fuzz/ok.txt', '/src/junk.h', '/src/junk.c'],
dependencies=[],
commands=[['do_something']])
commands = unformat(write_step(s)).split('\n')[1:]
self.assertTrue('mkdir -p /src /tmp/fizz/fuzz' in commands)
self.assertEqual(2, len(commands))
def test_pattern_rule_conversion(self):
s = Step(targets=['a.txt', 'b.txt'],
dependencies='source.txt',
commands=[['process', 'source.txt', 'a.txt', 'b.txt']])
declaration_line, command_line = write_step(s).split('\n')[:2]
self.assertTrue('a%txt' in declaration_line)
self.assertTrue('b%txt' in declaration_line)
self.assertTrue('source%txt' in declaration_line)
self.assertTrue('a.txt' in command_line)
self.assertTrue('b.txt' in command_line)
self.assertTrue('source.txt' in command_line)
def test_variable_substitution(self):
s = Step(
targets=['{ROOT_DIR}/fizz'],
dependencies=['{SOURCE_DIR}/buzz'],
commands=[['echo', '{SOURCE_DIR}/buzz', '>', '{ROOT_DIR}/fizz']])
step_text = write_step(
s, dict(ROOT_DIR='/tmp/root', SOURCE_DIR='/tmp/src'))
self.assertTrue('/tmp/root/fizz' in step_text)
self.assertTrue('/tmp/src/buzz' in step_text)
self.assertFalse('ROOT_DIR' in step_text)
self.assertFalse('SRC_DIR' in step_text)
self.assertFalse('{' in step_text)
self.assertFalse('}' in step_text)
def test_commands_arguments_aligned(self):
s = Step(targets='outputs/results.nc',
dependencies='inputs.nc',
commands=[[
'process.py', '--input', 'inputs.nc', '--output',
'outputs/results.nc', '--compress', '3', '--nohistory'
]])
command_lines = [
line.strip() for line in write_step(s).split('\n')
if line.startswith('\t')
]
self.assertEqual(7, len(command_lines))
self.assertTrue(
all(
line.startswith('mkdir') or line.startswith('process.py')
or line.startswith('-') for line in command_lines))
def test_variable_substitution_error(self):
s = Step(targets='a',
dependencies='b',
commands=[['{PROGRAM}', 'a', 'b']])
self.assertRaises(KeyError, lambda: write_step(s, dict(PROG='q')))