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|
import pytest
@pytest.fixture
def testfile(testdir) -> pytest.Testdir:
testdir.makepyfile(
test_file=(
"""
def test_case(snapshot):
assert snapshot == "some-value"
"""
),
)
return testdir
def test_diff_mode_disabled_does_not_print_diff(
testfile,
):
# Generate initial snapshot
result = testfile.runpytest("-v", "--snapshot-update")
result.stdout.re_match_lines((r"1 snapshot generated\.",))
assert result.ret == 0
# Modify snapshot to generate diff
testfile.makepyfile(
test_file=(
"""
def test_case(snapshot):
assert snapshot == "some-other-value"
"""
),
)
# With diff we expect to see "some-other-value"
result = testfile.runpytest("-v", "--snapshot-diff-mode=detailed")
result.stdout.re_match_lines(
(
r".*- 'some-value'",
r".*\+ 'some-other-value'",
)
)
assert result.ret == 1
# Without diff we do not expect to see "some-other-value"
result = testfile.runpytest("-v", "--snapshot-diff-mode=disabled")
result.stdout.no_re_match_line(r".*- 'some-value'")
result.stdout.no_re_match_line(r".*\+ 'some-other-value'")
assert result.ret == 1
|
