def test_assert_match_success(testdir, basic_case_dir):
testdir.makepyfile("""
def test_sth(snapshot):
snapshot.snapshot_dir = 'case_dir'
snapshot.assert_match(u'the value of snapshot1.txt', 'snapshot1.txt')
""")
assert_pytest_passes(testdir)
def test_assert_match_dir_delete_snapshot_file(testdir, basic_case_dir):
testdir.makepyfile("""
def test_sth(snapshot):
snapshot.snapshot_dir = 'case_dir'
snapshot.assert_match_dir({
'obj1.txt': u'the value of obj1.txt',
}, 'dict_snapshot1')
""")
result = testdir.runpytest('-v', '--snapshot-update')
result.stdout.fnmatch_lines([
'*::test_sth PASSED*',
'*::test_sth ERROR*',
"E* AssertionError: Snapshot directory was modified: case_dir",
'E* Snapshots that should be deleted: (run pytest with --allow-snapshot-deletion to delete them)',
'E* dict_snapshot1?obj2.txt',
])
assert result.ret == 1
result = testdir.runpytest('-v', '--snapshot-update',
'--allow-snapshot-deletion')
result.stdout.fnmatch_lines([
'*::test_sth PASSED*',
'*::test_sth ERROR*',
'E* AssertionError: Snapshot directory was modified: case_dir',
'E* Deleted snapshots:',
'E* dict_snapshot1?obj2.txt',
])
assert result.ret == 1
assert_pytest_passes(testdir) # assert that snapshot update worked
def test_assert_match_dir_update_existing_snapshot(testdir, basic_case_dir,
case_dir_repr,
snapshot_name_repr):
"""
Tests that `Snapshot.assert_match_dir` works when updating an existing snapshot.
Also tests that `Snapshot` supports absolute/relative str/Path snapshot directories and snapshot paths.
"""
testdir.makepyfile("""
try:
from pathlib import Path
except ImportError:
from pathlib2 import Path
def test_sth(snapshot):
snapshot.snapshot_dir = {case_dir_repr}
snapshot.assert_match_dir({{
'obj1.txt': u'the value of obj1.txt',
'obj2.txt': u'the NEW value of obj2.txt',
}}, {snapshot_name_repr})
""".format(case_dir_repr=case_dir_repr,
snapshot_name_repr=snapshot_name_repr))
result = testdir.runpytest('-v', '--snapshot-update')
result.stdout.fnmatch_lines([
'*::test_sth PASSED*',
'*::test_sth ERROR*',
"E* AssertionError: Snapshot directory was modified: case_dir",
'E* Updated snapshots:',
'E* dict_snapshot1?obj2.txt',
])
assert result.ret == 1
assert_pytest_passes(testdir) # assert that snapshot update worked
def test_assert_match_success_bytes(testdir, basic_case_dir):
testdir.makepyfile(r"""
import os
def test_sth(snapshot):
snapshot.snapshot_dir = 'case_dir'
snapshot.assert_match(b'the valu\xc3\x89 of snapshot1.txt' + os.linesep.encode(), 'snapshot1.txt')
""")
assert_pytest_passes(testdir)
def test_default_snapshot_dir_without_parametrize(testdir):
testdir.makepyfile("""
from pathlib import Path
def test_sth(snapshot):
assert snapshot.snapshot_dir == \
Path('snapshots/test_default_snapshot_dir_without_parametrize/test_sth').absolute()
""")
assert_pytest_passes(testdir)
def test_assert_match_dir_success(testdir, basic_case_dir):
testdir.makepyfile("""
def test_sth(snapshot):
snapshot.snapshot_dir = 'case_dir'
snapshot.assert_match_dir({
'obj1.txt': u'the value of obj1.txt',
'obj2.txt': u'the value of obj2.txt',
}, 'dict_snapshot1')
""")
assert_pytest_passes(testdir)
def test_assert_match_update_existing_snapshot_no_change(testdir, basic_case_dir):
testdir.makepyfile("""
def test_sth(snapshot):
snapshot.snapshot_dir = 'case_dir'
snapshot.assert_match(u'the value of snapshot1.txt', 'snapshot1.txt')
""")
result = testdir.runpytest('-v', '--snapshot-update')
result.stdout.fnmatch_lines([
'*::test_sth PASSED*',
])
assert result.ret == 0
assert_pytest_passes(testdir) # assert that snapshot update worked
def test_assert_match_create_new_snapshot(testdir, basic_case_dir):
testdir.makepyfile("""
def test_sth(snapshot):
snapshot.snapshot_dir = 'case_dir'
snapshot.assert_match(u'the NEW value of new_snapshot1.txt', 'sub_dir/new_snapshot1.txt')
""")
result = testdir.runpytest('-v', '--snapshot-update')
result.stdout.fnmatch_lines([
'*::test_sth PASSED*',
'*::test_sth ERROR*',
"E* Snapshot directory was modified: case_dir",
'E* Created snapshots:',
'E* sub_dir?new_snapshot1.txt',
])
assert result.ret == 1
assert_pytest_passes(testdir) # assert that snapshot update worked
def test_assert_match_dir_create_new_snapshot_dir(testdir, basic_case_dir):
testdir.makepyfile("""
def test_sth(snapshot):
snapshot.snapshot_dir = 'case_dir'
snapshot.assert_match_dir({
'obj1.txt': u'the value of obj1.txt',
}, 'new_dict_snapshot')
""")
result = testdir.runpytest('-v', '--snapshot-update')
result.stdout.fnmatch_lines([
'*::test_sth PASSED*',
'*::test_sth ERROR*',
'E* AssertionError: Snapshot directory was modified: case_dir',
'E* Created snapshots:',
'E* new_dict_snapshot?obj1.txt',
])
assert result.ret == 1
assert_pytest_passes(testdir) # assert that snapshot update worked
def test_assert_match_create_new_snapshot_in_default_dir(testdir):
testdir.makepyfile("""
def test_sth(snapshot):
snapshot.assert_match(u'the value of new_snapshot1.txt', 'sub_dir/new_snapshot1.txt')
""")
result = testdir.runpytest('-v', '--snapshot-update')
result.stdout.fnmatch_lines([
'*::test_sth PASSED*',
'*::test_sth ERROR*',
"E* Snapshot directory was modified: snapshots?test_assert_match_create_new_snapshot_in_default_dir?test_sth",
'E* Created snapshots:',
'E* sub_dir?new_snapshot1.txt',
])
assert result.ret == 1
assert testdir.tmpdir.join(
'snapshots/test_assert_match_create_new_snapshot_in_default_dir/test_sth/sub_dir/new_snapshot1.txt'
).read_text('utf-8') == u'the value of new_snapshot1.txt'
assert_pytest_passes(testdir) # assert that snapshot update worked
