[Notes] [Git][BuildStream/buildstream][jennis/warn_for_nonexistent_domains] filter.py: Fail if declared domains do not exist in the parent element

[James Ennis <gitlab mg gitlab com>]

Title: GitLab

James Ennis pushed to branch jennis/warn_for_nonexistent_domains at BuildStream / buildstream

Commits:

• 2c816b76
  by James Ennis at 2019-01-31T10:14:18Z

  filter.py: Fail if declared domains do not exist in the parent element
  
  This patch also uncovered the fact that our test_filter_deps_ok() test
  has been inaccurate. Thus the element built in this test
  (deps-permitted.bst) has been modified so that it build depends on the
  input.bst element, as it should.
  
  tests/filter.py: Ensure deps_ok test passes
  

4 changed files:

• buildstream/plugins/elements/filter.py
• tests/elements/filter.py
• tests/elements/filter/basic/elements/deps-permitted.bst
• + tests/elements/filter/basic/elements/output-include-nonexistent-domain.bst

Changes:

buildstream/plugins/elements/filter.py

---

...	...	@@ -66,6 +66,8 @@ class FilterElement(Element):
66	66	self.include = self.node_get_member(node, list, 'include')
67	67	self.exclude = self.node_get_member(node, list, 'exclude')
68	68	self.include_orphans = self.node_get_member(node, bool, 'include-orphans')
	69	+ self.include_provenance = self.node_provenance(node, member_name='include')
	70	+ self.exclude_provenance = self.node_provenance(node, member_name='exclude')
69	71
70	72	def preflight(self):
71	73	# Exactly one build-depend is permitted
...	...	@@ -105,6 +107,31 @@ class FilterElement(Element):
105	107	def assemble(self, sandbox):
106	108	with self.timed_activity("Staging artifact", silent_nested=True):
107	109	for dep in self.dependencies(Scope.BUILD, recurse=False):
	110	+ # Check that all the included/excluded domains exist
	111	+ pub_data = dep.get_public_data('bst')
	112	+ split_rules = pub_data.get('split-rules', {})
	113	+ unfound_includes = []
	114	+ for domain in self.include:
	115	+ if domain not in split_rules:
	116	+ unfound_includes.append(domain)
	117	+ unfound_excludes = []
	118	+ for domain in self.exclude:
	119	+ if domain not in split_rules:
	120	+ unfound_excludes.append(domain)
	121	+
	122	+ detail = []
	123	+ if unfound_includes:
	124	+ detail.append("Unknown domains were used in {}".format(self.include_provenance))
	125	+ detail.extend([' - {}'.format(domain) for domain in unfound_includes])
	126	+
	127	+ if unfound_excludes:
	128	+ detail.append("Unknown domains were used in {}".format(self.exclude_provenance))
	129	+ detail.extend([' - {}'.format(domain) for domain in unfound_excludes])
	130	+
	131	+ if detail:
	132	+ detail = '\n'.join(detail)
	133	+ raise ElementError("Unknown domains declared.", detail=detail)
	134	+
108	135	dep.stage_artifact(sandbox, include=self.include,
109	136	exclude=self.exclude, orphans=self.include_orphans)
110	137	return ""

tests/elements/filter.py

---

...	...	@@ -484,3 +484,14 @@ def test_filter_include_with_indirect_deps(datafiles, cli, tmpdir):
484	484	# indirect dependencies shouldn't be staged and filtered
485	485	assert not os.path.exists(os.path.join(checkout, "foo"))
486	486	assert not os.path.exists(os.path.join(checkout, "bar"))
	487	+
	488	+
	489	+@pytest.mark.datafiles(os.path.join(DATA_DIR, 'basic'))
	490	+def test_filter_fails_for_nonexisting_domain(datafiles, cli, tmpdir):
	491	+ project = os.path.join(datafiles.dirname, datafiles.basename)
	492	+ result = cli.run(project=project, args=['build', 'output-include-nonexistent-domain.bst'])
	493	+ result.assert_main_error(ErrorDomain.STREAM, None)
	494	+
	495	+ error = "Unknown domains were used in output-include-nonexistent-domain.bst [line 7 column 2]"
	496	+ assert error in result.stderr
	497	+ assert '- unknown_file' in result.stderr

tests/elements/filter/basic/elements/deps-permitted.bst

---

1	1	kind: filter
2	2	depends:
3		-- filename: output-include.bst
	3	+- filename: input.bst
4	4	type: build
5	5	- filename: output-exclude.bst
6	6	type: runtime

tests/elements/filter/basic/elements/output-include-nonexistent-domain.bst

---

	1	+kind: filter
	2	+depends:
	3	+- filename: input.bst
	4	+ type: build
	5	+config:
	6	+ include:
	7	+ - unknown_file
	8	+

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