def test_growing_current_inputs(self):
cr = compile_rule.find_compile_rule('genfiles/computed_inputs/curr2')
self._write_to('a1', '')
self.assertEqual([], cr.input_files('genfiles/computed_inputs/curr2'))
self.assertEqual(
['a1'], cr.input_trigger_files('genfiles/computed_inputs/curr2'))
self._write_to('a1', 'b1,number3')
filemod_db.clear_mtime_cache()
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(['b1', 'number3'],
cr.input_files('genfiles/computed_inputs/curr2'))
self.assertEqual(
['a1', 'b1', 'number3'],
cr.input_trigger_files('genfiles/computed_inputs/curr2'))
# Let's keep going!
self._write_to('b1', 'b2')
filemod_db.clear_mtime_cache()
# Since a1 and number3 didn't change, we should only judge based on b1.
self.assertEqual(['b2'],
cr.input_files('genfiles/computed_inputs/curr2'))
self.assertEqual(
['a1', 'b2'],
cr.input_trigger_files('genfiles/computed_inputs/curr2'))
def test_compute_crc_flag(self):
self._add_to_db('o1', 'i1', compute_crc=True)
self._change_mtime('i1')
filemod_db.clear_mtime_cache()
self._maybe_update('o1', ['i1'], compute_crc=True)
with open(self._abspath('o1')) as f:
self.assertEqual('o1o1o1o1o1', f.read())
def test_recompute_inputs_if_changed(self):
cr = compile_rule.find_compile_rule('genfiles/a.ii')
self.assertEqual(['a.c', 'a.h', 'includes/b.h', 'includes/c.h', 'a1'],
cr.input_files('genfiles/a.ii'))
self._write_to('a.h', '#include "includes/d.h" /* new include */ \n')
filemod_db.clear_mtime_cache()
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(['a.c', 'a.h', 'includes/d.h', 'a1'],
cr.input_files('genfiles/a.ii'))
def test_trigger_changes_on_genfiles(self):
cr = compile_rule.find_compile_rule('genfiles/computed_inputs/a2')
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(['a2'],
cr.input_files('genfiles/computed_inputs/a2'))
self._write_to('number3', '')
filemod_db.clear_mtime_cache()
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(['a2'],
cr.input_files('genfiles/computed_inputs/a2'))
def test_recompute_inputs_even_if_mtime_doesnt_change(self):
cr = compile_rule.find_compile_rule('genfiles/a.ii')
self.assertEqual(['a.c', 'a.h', 'includes/b.h', 'includes/c.h', 'a1'],
cr.input_files('genfiles/a.ii'))
# modify includes/a.h without modifying its mtime
mtime = os.path.getmtime(self._abspath('a.h'))
self._write_to('a.h', '#include "includes/d.h" // change the include')
os.utime(self._abspath('a.h'), (mtime, mtime))
filemod_db.clear_mtime_cache()
self.assertEqual(['a.c', 'a.h', 'includes/d.h', 'a1'],
cr.input_files('genfiles/a.ii'))
def test_computed_inputs_from_file(self):
self._write_to('a1', 'a1,a2,genfiles/fnumber')
cr = compile_rule.find_compile_rule('genfiles/computed_inputs/content')
self.assertEqual(['a1', 'a2', 'genfiles/fnumber'],
cr.input_files('genfiles/computed_inputs/content'))
self._write_to('a1', 'b1,genfiles/fletter')
filemod_db.clear_mtime_cache()
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(
['b1', 'genfiles/fletter'],
cr.input_files('genfiles/computed_inputs/content'))
def test_trigger_changes(self):
cr = compile_rule.find_compile_rule('genfiles/computed_inputs/static')
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(['a1', 'a2'],
cr.input_files('genfiles/computed_inputs/static'))
# a1 is one of the trigger files for this rule.
self._write_to('a1', '')
filemod_db.clear_mtime_cache()
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(['a1', 'a2'],
cr.input_files('genfiles/computed_inputs/static'))
def test_current_inputs(self):
cr = compile_rule.find_compile_rule('genfiles/computed_inputs/curr')
self.assertEqual(['a1', 'a2'],
cr.input_files('genfiles/computed_inputs/curr'))
self.assertEqual(
['a1', 'a2'],
cr.input_trigger_files('genfiles/computed_inputs/curr'))
self._write_to('a1', '')
filemod_db.clear_mtime_cache()
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(['a1', 'a2'],
cr.input_files('genfiles/computed_inputs/curr'))
def test_include_cache(self):
cr = compile_rule.find_compile_rule('genfiles/a.ii')
self.assertEqual(['a.c', 'a.h', 'includes/b.h', 'includes/c.h', 'a1'],
cr.input_files('genfiles/a.ii'))
self._write_to('includes/b.h', '#include "d.h" /* new include */ \n')
filemod_db.clear_mtime_cache()
with mock.patch('kake.log.v3') as logger:
actual = cr.input_files('genfiles/a.ii')
self.assertEqual([
mock.call('extracting includes from %s', 'includes/b.h'),
mock.call('extracting includes from %s', 'includes/d.h')
], logger.call_args_list)
self.assertEqual(['a.c', 'a.h', 'includes/b.h', 'includes/d.h', 'a1'],
actual)
def test_compute_crc(self):
self._write_to('a1', 'a1,a2,genfiles/fnumber')
cr = compile_rule.find_compile_rule('genfiles/computed_inputs/content')
self.assertEqual(['a1', 'a2', 'genfiles/fnumber'],
cr.input_files('genfiles/computed_inputs/content'))
# Adjust the mtime of this file to sometime in the distant past.
os.utime(os.path.join(self.tmpdir, 'a1'), (1, 1))
filemod_db.clear_mtime_cache()
# This should not cause a recompute even though the mtime has
# changed, because we used compute_crc.
cr = compile_rule.find_compile_rule('genfiles/computed_inputs/content')
with self.assertCalled(cr.input_patterns.input_patterns, 0):
self.assertEqual(
['a1', 'a2', 'genfiles/fnumber'],
cr.input_files('genfiles/computed_inputs/content'))
def test_trigger_depends_on_output(self):
cr = compile_rule.find_compile_rule('genfiles/computed_inputs/b2')
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(['a2'],
cr.input_files('genfiles/computed_inputs/b2'))
self._write_to('b2', '')
filemod_db.clear_mtime_cache()
with self.assertCalled(cr.input_patterns.input_patterns, 1):
self.assertEqual(['a2'],
cr.input_files('genfiles/computed_inputs/b2'))
# But if we touch b1, it doesn't cause a new call
self._write_to('b1', '')
filemod_db.clear_mtime_cache()
with self.assertCalled(cr.input_patterns.input_patterns, 0):
self.assertEqual(['a2'],
cr.input_files('genfiles/computed_inputs/b2'))
def test_recompute_inputs_when_a_bad_include_is_fixed(self):
# Have a.c have a bad include.
self._write_to(
'a.c', '#include <stdio.h>\n'
'#include "includes/non_existent_file.h"\n'
'int main() { return 0; }\n')
cr = compile_rule.find_compile_rule('genfiles/a.ii')
with self.assertRaises(IOError): # 'file not found'
cr.input_files('genfiles/a.ii')
# Now fix up a.c.
self._write_to(
'a.c', '#include <stdio.h>\n'
'#include "a.h"\n'
'int main() { return 0; }\n')
filemod_db.clear_mtime_cache()
# We should be able to calculate the new trigger files, even
# though the last, failed request cached a non-existent file.
self.assertEqual(['a.c', 'a.h', 'includes/b.h', 'includes/c.h'],
list(cr.input_trigger_files('genfiles/a.ii')))
def _build_many(outfile_names_and_contexts, num_processes=1, force=False,
checkpoint_interval=None):
filemod_db.clear_mtime_cache()
return build.build_with_optional_checkpoints(
outfile_names_and_contexts, num_processes, force, checkpoint_interval)