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628 lines (510 loc) · 24.6 KB
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"""Offline tests for the GitHub Project sync tool.
The sync policy is exercised against an in-memory backend, so the tests never
touch the network, never need the project scope and never write to GitHub.
"""
from __future__ import annotations
import contextlib
import io
import json
import unittest
from tools import sync_github_project as project
BUILTIN_FIELD_ORDER = {
'Title': 0,
'Assignees': 1,
'Status': 2,
'Labels': 3,
'Linked pull requests': 4,
'Milestone': 5,
'Repository': 6,
'Reviewers': 7,
'Parent issue': 8,
'Sub-issues progress': 9,
'Created': 10,
'Updated': 11,
'Closed': 12,
}
R2 = 'R2 · 可靠本地终端与开发版'
R5 = 'R5 · 完整复刻验收：先 Windows，后全平台'
ARCHIVE = 'Archive · 早期研究与原型（已迁移）'
def issue(number, *, state='OPEN', labels=(), milestone=R2):
return project.Issue(
number=number,
content_id='I_%d' % number,
state=state,
labels=tuple(labels),
milestone=milestone,
)
def builtin_fields():
return {
'Title': project.Field('F_title', 'Title'),
'Assignees': project.Field('F_assignees', 'Assignees'),
'Status': project.Field(
'F_status',
'Status',
(
project.FieldOption('O_todo', 'Todo', 'GRAY', ''),
project.FieldOption('O_in_progress', 'In Progress', 'GREEN', ''),
project.FieldOption('O_done', 'Done', 'PURPLE', ''),
),
),
'Labels': project.Field('F_labels', 'Labels'),
'Milestone': project.Field('F_milestone', 'Milestone'),
'Sub-issues progress': project.Field('F_subissues', 'Sub-issues progress'),
}
class FakeBackend:
"""In-memory stand-in for GhBackend that records every mutation."""
def __init__(self, issues=(), *, drop_fields=()):
self.issues = list(issues)
self.drop_fields = tuple(drop_fields)
self.project = None
self.field_map = {}
self.view_list = []
self.items_list = []
self.mutations = []
self._counter = 0
def _new_id(self, prefix):
self._counter += 1
return '%s_%02d' % (prefix, self._counter)
def user_id(self, login):
return 'U_owner'
def repository_id(self, owner, name):
return 'R_repo'
def find_project(self, owner, title):
return self.project
def create_project(self, owner_id, repository_id, title):
self.mutations.append(('create_project', title))
self.project = project.Project(
'PVT_1', 2, 'https://example.invalid/users/owner/projects/2', None, None, False
)
self.field_map = builtin_fields()
for name in self.drop_fields:
self.field_map.pop(name, None)
self.view_list = [project.View('V_1', 'View 1', 'TABLE_LAYOUT', '', ('Title', 'Status', 'Labels'))]
return self.project
def update_project(self, project_id, *, readme, short_description, public):
self.mutations.append(('update_project', readme, short_description, public))
self.project = project.Project(
self.project.id, self.project.number, self.project.url, readme, short_description, public
)
def fields(self, project_id):
return dict(self.field_map)
def create_single_select_field(self, project_id, name, options):
field = project.Field(
self._new_id('F'),
name,
tuple(project.FieldOption(self._new_id('O'), o.name, o.color, o.description) for o in options),
)
self.mutations.append(('create_field', name))
self.field_map[name] = field
return field
def update_single_select_options(self, field_id, options):
current = next(field for field in self.field_map.values() if field.id == field_id)
by_name = {option.name: option for option in current.options}
rebuilt = tuple(
project.FieldOption(
by_name[option.name].id if option.name in by_name else self._new_id('O'),
option.name,
option.color,
option.description,
)
for option in options
)
self.mutations.append(('update_field_options', current.name))
self.field_map[current.name] = project.Field(current.id, current.name, rebuilt)
def views(self, project_id):
return list(self.view_list)
def _visible(self, field_ids, layout):
if not project._supports_visible_fields(layout):
return ()
by_id = {field.id: name for name, field in self.field_map.items()}
names = [by_id[field_id] for field_id in field_ids if field_id in by_id]
# GitHub renders built-in fields first, in its own order, then custom ones.
names.sort(key=lambda name: BUILTIN_FIELD_ORDER.get(name, 100))
return tuple(names)
def create_view(self, project_id, spec, field_ids):
view = project.View(self._new_id('V'), spec.name, spec.layout, spec.filter, self._visible(field_ids, spec.layout))
self.mutations.append(('create_view', spec.name))
self.view_list.append(view)
return view
def update_view(self, view_id, spec, field_ids):
for index, view in enumerate(self.view_list):
if view.id == view_id:
updated = project.View(
view.id, spec.name, spec.layout, spec.filter, self._visible(field_ids, spec.layout)
)
self.mutations.append(('update_view', spec.name))
self.view_list[index] = updated
return updated
raise AssertionError('unknown view %r' % view_id)
def items(self, project_id):
return list(self.items_list)
def list_issues(self):
return list(self.issues)
def add_item(self, project_id, content_id):
source = next(entry for entry in self.issues if entry.content_id == content_id)
item = project.Item(self._new_id('ITEM'), source.number, {})
self.items_list.append(item)
self.mutations.append(('add_item', source.number))
return item
def _replace_item(self, updated):
self.items_list = [updated if existing.id == updated.id else existing for existing in self.items_list]
def _field_for(self, field_id):
for name, field in self.field_map.items():
if field.id == field_id:
return field
raise AssertionError('unknown field %r' % field_id)
def set_single_select(self, project_id, item_id, field_id, option_id):
item = next(entry for entry in self.items_list if entry.id == item_id)
field = self._field_for(field_id)
option_name = next(option.name for option in field.options if option.id == option_id)
values = dict(item.values)
values[field.name] = option_name
self.mutations.append(('set_value', item.number, field.name, option_name))
self._replace_item(project.Item(item.id, item.number, values))
def clear_value(self, project_id, item_id, field_id):
item = next(entry for entry in self.items_list if entry.id == item_id)
field = self._field_for(field_id)
values = dict(item.values)
values.pop(field.name, None)
self.mutations.append(('clear_value', item.number, field.name))
self._replace_item(project.Item(item.id, item.number, values))
def run_sync(backend, **overrides):
options = dict(owner='owner', repo='owner/repo', title=project.PROJECT_TITLE, apply=True)
options.update(overrides)
return project.Sync(backend, **options).run()
class DerivationTests(unittest.TestCase):
def test_type_precedence(self):
self.assertEqual(project.derive_type(['compatibility', 'bug']), '缺陷回归')
self.assertEqual(project.derive_type(['research', 'performance']), '性能证据')
self.assertEqual(project.derive_type(['documentation', 'enhancement']), '功能实现')
self.assertEqual(project.derive_type(['epic', 'bug']), '路标总项')
self.assertIsNone(project.derive_type(['good first issue']))
self.assertIsNone(project.derive_type([]))
def test_state_precedence(self):
self.assertEqual(project.derive_state(['blocked', 'needs-breakdown']), '阻塞')
self.assertEqual(project.derive_state(['needs-breakdown', 'ready-for-agent']), '待拆分')
self.assertEqual(project.derive_state(['ready-for-agent']), '可开工')
self.assertEqual(project.derive_state([]), '未标记')
def test_status_is_only_touched_on_close_reopen_or_insert(self):
self.assertEqual(project.desired_status('CLOSED', 'In Progress'), 'Done')
self.assertEqual(project.desired_status('OPEN', None), 'Todo')
self.assertEqual(project.desired_status('OPEN', 'Done'), 'Todo')
self.assertEqual(project.desired_status('OPEN', 'In Progress'), 'In Progress')
def test_milestone_rank(self):
self.assertEqual(project.milestone_rank('R2 · 可靠本地终端与开发版'), 2)
self.assertEqual(project.milestone_rank('R10 · 未来'), 10)
self.assertEqual(project.milestone_rank(ARCHIVE), project.MILESTONE_RANK_ARCHIVE)
self.assertEqual(project.milestone_rank(None), project.MILESTONE_RANK_NONE)
def test_option_names_and_colors_match_the_spec(self):
self.assertEqual(
[(option.name, option.color) for option in project.TYPE_OPTIONS],
[
('路标总项', 'PURPLE'),
('缺陷回归', 'RED'),
('性能证据', 'ORANGE'),
('研究调查', 'YELLOW'),
('功能实现', 'GREEN'),
('兼容性', 'BLUE'),
('文档', 'GRAY'),
],
)
self.assertEqual(
[(option.name, option.color) for option in project.STATE_OPTIONS],
[('可开工', 'GREEN'), ('阻塞', 'RED'), ('待拆分', 'YELLOW'), ('未标记', 'GRAY')],
)
class SyncTests(unittest.TestCase):
def test_fresh_project_creates_fields_views_and_items(self):
backend = FakeBackend([
issue(6, state='CLOSED', labels=('epic',), milestone='R1 · 基础文字交互复刻'),
issue(7, labels=('epic',)),
issue(38, labels=('bug', 'compatibility', 'blocked')),
issue(155, labels=()),
])
summary = run_sync(backend)
self.assertEqual(summary['project']['number'], 2)
self.assertEqual([view.name for view in backend.view_list], [spec.name for spec in project.VIEWS])
self.assertNotIn('View 1', [view.name for view in backend.view_list])
self.assertEqual(
[name for name in backend.field_map if name not in builtin_fields()],
[project.TYPE_FIELD, project.STATE_FIELD],
)
values = {item.number: item.values for item in backend.items_list}
self.assertEqual(values[6]['Status'], 'Done')
self.assertEqual(values[7]['Status'], 'Todo')
self.assertEqual(values[7][project.TYPE_FIELD], '路标总项')
self.assertEqual(values[38][project.TYPE_FIELD], '缺陷回归')
self.assertEqual(values[38][project.STATE_FIELD], '阻塞')
self.assertEqual(values[155][project.STATE_FIELD], '未标记')
self.assertNotIn(project.TYPE_FIELD, values[155])
self.assertEqual(summary['stats']['project_created'], 1)
self.assertEqual(summary['stats']['fields_created'], 2)
self.assertEqual(summary['stats']['items_added'], 4)
self.assertEqual(summary['stats']['views_created'], 7)
self.assertEqual(summary['stats']['views_updated'], 1)
def test_second_run_changes_nothing(self):
backend = FakeBackend([
issue(1, labels=('research',)),
issue(2, state='CLOSED', labels=('bug', 'ready-for-agent')),
])
run_sync(backend)
backend.mutations.clear()
summary = run_sync(backend)
self.assertEqual(backend.mutations, [])
self.assertFalse(summary['drift'])
self.assertEqual(summary['stats']['items_added'], 0)
self.assertEqual(summary['stats']['values_set'], 0)
def test_label_change_updates_only_the_affected_item(self):
backend = FakeBackend([issue(1, labels=('bug',)), issue(2, labels=('research',))])
run_sync(backend)
backend.issues = [issue(1, labels=('bug', 'ready-for-agent')), issue(2, labels=('research',))]
backend.mutations.clear()
run_sync(backend)
self.assertEqual(backend.mutations, [('set_value', 1, project.STATE_FIELD, '可开工')])
def test_type_is_cleared_when_no_theme_label_remains(self):
backend = FakeBackend([issue(1, labels=('research',))])
run_sync(backend)
backend.issues = [issue(1, labels=('good first issue',))]
backend.mutations.clear()
run_sync(backend)
self.assertEqual(backend.mutations, [('clear_value', 1, project.TYPE_FIELD)])
def test_status_preserves_manual_in_progress_and_reopens_done(self):
backend = FakeBackend([issue(3, labels=('bug',))])
run_sync(backend)
item = backend.items_list[0]
status = backend.field_map['Status']
backend.set_single_select('PVT_1', item.id, status.id, status.option_id('In Progress'))
backend.mutations.clear()
run_sync(backend)
self.assertEqual(backend.mutations, [])
backend.set_single_select('PVT_1', item.id, status.id, status.option_id('Done'))
backend.mutations.clear()
run_sync(backend)
self.assertEqual(backend.mutations, [('set_value', 3, 'Status', 'Todo')])
def test_check_mode_reports_drift_without_writing(self):
backend = FakeBackend([issue(1)])
summary = run_sync(backend, apply=False)
self.assertTrue(summary['drift'])
self.assertEqual(backend.mutations, [])
self.assertIn('create-project ' + project.PROJECT_TITLE, summary['plan'])
def test_check_mode_on_a_synced_project_reports_no_drift(self):
backend = FakeBackend([issue(1, labels=('research',))])
run_sync(backend)
backend.mutations.clear()
summary = run_sync(backend, apply=False)
self.assertFalse(summary['drift'])
self.assertEqual(backend.mutations, [])
def test_views_are_created_with_filters_and_layouts(self):
backend = FakeBackend([issue(1)])
run_sync(backend)
views = {view.name: view for view in backend.view_list}
self.assertEqual(views['R2 当前路标'].layout, 'BOARD_LAYOUT')
self.assertEqual(views['R2 当前路标'].filter, 'milestone:"R2 · 可靠本地终端与开发版"')
self.assertEqual(views['路标 Epic'].layout, 'ROADMAP_LAYOUT')
self.assertEqual(views['已完成'].filter, 'is:closed')
self.assertEqual(views['总览'].filter, '')
self.assertEqual(set(views['总览'].fields), {
'Title', 'Status', project.TYPE_FIELD, project.STATE_FIELD,
'Milestone', 'Sub-issues progress', 'Assignees', 'Labels',
})
def test_unknown_visible_field_is_skipped(self):
backend = FakeBackend([issue(1)], drop_fields=('Assignees',))
run_sync(backend)
overview = {view.name: view for view in backend.view_list}['总览']
self.assertNotIn('Assignees', overview.fields)
self.assertIn('Title', overview.fields)
def test_items_follow_milestone_order(self):
backend = FakeBackend([
issue(10, milestone=R5),
issue(1, milestone=ARCHIVE),
issue(37, milestone=None),
issue(6, milestone='R1 · 基础文字交互复刻'),
issue(20, milestone=R2),
])
run_sync(backend)
added = [mutation[1] for mutation in backend.mutations if mutation[0] == 'add_item']
self.assertEqual(added, [6, 20, 10, 1, 37])
def test_closed_issues_can_be_excluded(self):
backend = FakeBackend([issue(1), issue(2, state='CLOSED')])
run_sync(backend, include_closed=False)
added = [mutation[1] for mutation in backend.mutations if mutation[0] == 'add_item']
self.assertEqual(added, [1])
def test_metadata_is_written_once(self):
backend = FakeBackend([issue(1)])
run_sync(backend)
metadata = [mutation for mutation in backend.mutations if mutation[0] == 'update_project']
self.assertEqual(len(metadata), 1)
self.assertEqual(metadata[0][1], project.PROJECT_README)
self.assertIn('issue 的开闭状态、标签', metadata[0][1])
self.assertTrue(metadata[0][3])
def test_check_mode_writes_nothing_when_item_values_drift(self):
backend = FakeBackend([issue(1, labels=('bug',))])
run_sync(backend)
backend.issues = [issue(1, labels=('bug', 'ready-for-agent'))]
backend.mutations.clear()
summary = run_sync(backend, apply=False)
self.assertEqual(backend.mutations, [])
self.assertTrue(summary['drift'])
self.assertIn('set-field %s=可开工 #1' % project.STATE_FIELD, summary['plan'])
def test_check_mode_writes_nothing_when_type_must_be_cleared(self):
backend = FakeBackend([issue(1, labels=('research',))])
run_sync(backend)
backend.issues = [issue(1, labels=('good first issue',))]
backend.mutations.clear()
summary = run_sync(backend, apply=False)
self.assertEqual(backend.mutations, [])
self.assertTrue(summary['drift'])
self.assertIn('clear-field %s #1' % project.TYPE_FIELD, summary['plan'])
def test_check_mode_writes_nothing_when_metadata_drifted(self):
backend = FakeBackend([issue(1)])
run_sync(backend)
backend.project = project.Project(
backend.project.id,
backend.project.number,
backend.project.url,
'stale readme',
backend.project.short_description,
False,
)
backend.mutations.clear()
summary = run_sync(backend, apply=False)
self.assertEqual(backend.mutations, [])
self.assertTrue(summary['drift'])
self.assertIn('update-project-metadata', summary['plan'])
def test_view_drift_is_repaired(self):
backend = FakeBackend([issue(1)])
run_sync(backend)
backend.view_list = [
project.View(view.id, view.name, view.layout, 'is:open', view.fields)
if view.name == '已完成'
else view
for view in backend.view_list
]
backend.mutations.clear()
summary = run_sync(backend)
self.assertEqual(backend.mutations, [('update_view', '已完成')])
self.assertEqual({view.name: view for view in backend.view_list}['已完成'].filter, 'is:closed')
self.assertEqual(summary['stats']['views_updated'], 1)
def test_field_option_drift_is_repaired(self):
backend = FakeBackend([issue(1)])
run_sync(backend)
field = backend.field_map[project.TYPE_FIELD]
backend.field_map[project.TYPE_FIELD] = project.Field(
field.id,
field.name,
tuple(
project.FieldOption(option.id, option.name, 'PINK', option.description)
for option in field.options
),
)
backend.mutations.clear()
summary = run_sync(backend)
self.assertEqual(backend.mutations, [('update_field_options', project.TYPE_FIELD)])
self.assertEqual(summary['stats']['fields_updated'], 1)
colors = {option.name: option.color for option in backend.field_map[project.TYPE_FIELD].options}
self.assertEqual(colors['缺陷回归'], 'RED')
def test_check_mode_reports_view_and_field_drift(self):
backend = FakeBackend([issue(1)])
run_sync(backend)
backend.view_list = [
project.View(view.id, view.name, 'TABLE_LAYOUT', view.filter, view.fields)
if view.name == '路标 Epic'
else view
for view in backend.view_list
]
backend.mutations.clear()
summary = run_sync(backend, apply=False)
self.assertEqual(backend.mutations, [])
self.assertIn('update-view 路标 Epic', summary['plan'])
class CliTests(unittest.TestCase):
def test_apply_returns_zero_and_prints_summary(self):
backend = FakeBackend([issue(1)])
output = io.StringIO()
with contextlib.redirect_stdout(output):
code = project.main([], backend_factory=lambda: backend)
self.assertEqual(code, 0)
summary = json.loads(output.getvalue())
self.assertEqual(summary['mode'], 'apply')
self.assertEqual(summary['project']['number'], 2)
def test_check_returns_one_on_drift_and_zero_when_clean(self):
backend = FakeBackend([issue(1)])
with contextlib.redirect_stdout(io.StringIO()):
self.assertEqual(project.main(['--check'], backend_factory=lambda: backend), 1)
with contextlib.redirect_stdout(io.StringIO()):
self.assertEqual(project.main([], backend_factory=lambda: backend), 0)
with contextlib.redirect_stdout(io.StringIO()):
self.assertEqual(project.main(['--check'], backend_factory=lambda: backend), 0)
def test_dry_run_returns_zero_and_writes_nothing(self):
backend = FakeBackend([issue(1)])
with contextlib.redirect_stdout(io.StringIO()):
code = project.main(['--dry-run'], backend_factory=lambda: backend)
self.assertEqual(code, 0)
self.assertEqual(backend.mutations, [])
def test_missing_scope_exits_with_two_and_hint(self):
class ScopeLimited(FakeBackend):
def user_id(self, login):
raise project.ScopeError('missing required scopes [project]')
error = io.StringIO()
with contextlib.redirect_stderr(error):
code = project.main([], backend_factory=ScopeLimited)
self.assertEqual(code, 2)
self.assertIn('gh auth refresh -s project,read:project', error.getvalue())
def test_missing_gh_exits_with_two(self):
class NoGh(FakeBackend):
def user_id(self, login):
raise project.PreconditionError('找不到 gh CLI')
error = io.StringIO()
with contextlib.redirect_stderr(error):
code = project.main([], backend_factory=NoGh)
self.assertEqual(code, 2)
self.assertIn('前置条件不满足', error.getvalue())
def test_backend_failure_exits_with_one(self):
class Broken(FakeBackend):
def list_issues(self):
raise project.SyncError('boom')
error = io.StringIO()
with contextlib.redirect_stderr(error):
code = project.main([], backend_factory=Broken)
self.assertEqual(code, 1)
self.assertIn('同步失败', error.getvalue())
def test_invalid_repository_returns_one_without_traceback(self):
error = io.StringIO()
with contextlib.redirect_stderr(error):
code = project.main(['--repo', 'bad'], backend_factory=lambda: FakeBackend())
self.assertEqual(code, 1)
self.assertIn('仓库必须写成 owner/name', error.getvalue())
def test_not_logged_in_is_a_precondition(self):
for message in ('gh auth login required', 'HTTP 401: Bad credentials', 'Authentication required'):
with self.assertRaises(project.PreconditionError) as caught:
project.GhBackend._raise_precondition(message)
self.assertNotIsInstance(caught.exception, project.ScopeError)
def test_missing_scope_is_a_scope_error(self):
with self.assertRaises(project.ScopeError):
project.GhBackend._raise_precondition('missing required scopes [project]')
def test_transient_errors_are_retried_for_queries(self):
backend = project.GhBackend()
attempts = []
def flaky(query, variables):
attempts.append(query)
if len(attempts) < 3:
raise project.TransientError('TLS handshake timeout')
return {'ok': True}
backend._graphql_once = flaky
original = project.RETRY_BACKOFF_SECONDS
project.RETRY_BACKOFF_SECONDS = 0.0
try:
self.assertEqual(backend._graphql('query { viewer { login } }'), {'ok': True})
finally:
project.RETRY_BACKOFF_SECONDS = original
self.assertEqual(len(attempts), 3)
def test_create_requests_are_not_retried(self):
backend = project.GhBackend()
attempts = []
def failing(query, variables):
attempts.append(query)
raise project.TransientError('unexpected EOF')
backend._graphql_once = failing
with self.assertRaises(project.SyncError):
backend._graphql('mutation { createProjectV2View(input: {}) { projectV2View { id } } }', retry=False)
self.assertEqual(len(attempts), 1)
if __name__ == '__main__':
unittest.main()