def test_integrated_hgrepo_apply_patch_newline_bug(hg_clone):
"""Test newline bug in Mercurial
See https://bugzilla.mozilla.org/show_bug.cgi?id=1541181 for context. This test
will be skipped if not using version 5.1 of Mercurial.
"""
# TODO: update test if version of Mercurial is changed.
repo = HgRepo(hg_clone.strpath)
with repo, hg_clone.as_cwd():
if (
repo.run_hg(["version"]).split(b"\n")[0]
!= b"Mercurial Distributed SCM (version 5.1)"
):
pytest.skip("Test not relevant for this version of mercurial")
# Create a file without a new line and with a trailing `\r`
# Note that to reproduce this bug, this file needs to already exist
# in the repo and not be imported in a patch.
new_file = hg_clone.join("test-file")
new_file.write(b"hello\r", mode="wb")
repo.run_hg_cmds(
[["add", new_file.strpath], ["commit", "-m", "adding file"], ["push"]]
)
repo.apply_patch(io.BytesIO(PATCH_DELETE_NO_NEWLINE_FILE))
# Commit created.
assert "file removed" in str(repo.run_hg(["outgoing"]))
def test_integrated_hgrepo_can_log(hg_clone):
repo = HgRepo(hg_clone.strpath)
with repo:
assert repo.run_hg_cmds([["log"]])
def test_integrated_hgrepo_clean_repo(hg_clone):
# Test is long and checks various repo cleaning cases as the startup
# time for anything using `hg_clone` fixture is very long.
repo = HgRepo(hg_clone.strpath)
with repo, hg_clone.as_cwd():
# Create a draft commits to clean.
new_file = hg_clone.join("new-file.txt")
new_file.write("text", mode="w+")
repo.run_hg_cmds(
[["add", new_file.strpath], ["commit", "-m", "new draft commit"]]
)
assert repo.run_hg_cmds([["outgoing"]])
# Dirty the working directory.
new_file.write("Extra data", mode="a")
assert repo.run_hg_cmds([["status"]])
# Can clean working directory without nuking commits
repo.clean_repo(strip_non_public_commits=False)
assert repo.run_hg_cmds([["outgoing"]])
assert not repo.run_hg_cmds([["status"]])
# Dirty the working directory again.
new_file.write("Extra data", mode="a")
assert repo.run_hg_cmds([["status"]])
# Cleaning should remove commit and clean working directory.
repo.clean_repo()
with pytest.raises(HgCommandError, match="no changes found"):
repo.run_hg_cmds([["outgoing"]])
assert not repo.run_hg_cmds([["status"]])
# Create a commit and dirty the directory before exiting
# the context manager as entering a new context should
# provide a clean repo.
new_file.write("text", mode="w+")
repo.run_hg_cmds(
[["add", new_file.strpath], ["commit", "-m", "new draft commit"]]
)
new_file.write("extra data", mode="a")
assert repo.run_hg_cmds([["outgoing"]])
assert repo.run_hg_cmds([["status"]])
with repo, hg_clone.as_cwd():
# New context should be clean.
with pytest.raises(HgCommandError, match="no changes found"):
repo.run_hg_cmds([["outgoing"]])
assert not repo.run_hg_cmds([["status"]])