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# This module is part of GitPython and is released under the

# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

from pathlib import Path

import pytest

from git import Repo

from git.refs import RemoteReference

from git.refs import SymbolicReference

from gitdb.exc import BadName

def _write(repo, path, content):

full_path = Path(repo.working_tree_dir) / path

full_path.parent.mkdir(parents=True, exist_ok=True)

full_path.write_text(content)

repo.index.add([str(full_path)])

@pytest.fixture

def rev_parse_repo(tmp_path):

repo = Repo.init(tmp_path)

with repo.config_writer() as writer:

writer.set_value("user", "name", "GitPython Tests")

writer.set_value("user", "email", "gitpython@example.com")

_write(repo, "README.md", "root\n")

_write(repo, "CHANGES", "root changes\n")

_write(repo, "dir/file.txt", "root file\n")

root = repo.index.commit("root commit")

repo.create_tag("ann", ref=root, message="annotated tag")

_write(repo, "README.md", "release\n")

release = repo.index.commit("release candidate")

repo.create_tag("v1.0", ref=release)

main = repo.active_branch

_write(repo, "side.txt", "side\n")

side_commit = repo.index.commit("side branch", parent_commits=[root], head=False, skip_hooks=True)

repo.create_head("side", side_commit)

merge = repo.index.commit("merge side", parent_commits=[release, side_commit], skip_hooks=True)

repo.head.log_append(side_commit.binsha, "checkout: moving from side to main", merge.binsha)

repo.create_head("aaaaaaaa", merge)

repo.create_tag("@foo", ref=merge)

return {

"repo": repo,

"root": root,

"release": release,

"side": side_commit,

"merge": merge,

"main": main,

}

def test_rev_parse_names_hex_and_describe_forms(rev_parse_repo):

repo = rev_parse_repo["repo"]

release = rev_parse_repo["release"]

merge = rev_parse_repo["merge"]

assert repo.rev_parse("@") == merge

assert repo.rev_parse("@foo") == merge

assert repo.rev_parse("aaaaaaaa") == merge

assert repo.rev_parse(merge.hexsha[:7]) == merge

describe_name = "anything-9-g%s" % merge.hexsha[:7]

assert repo.rev_parse("v1.0-1-g%s" % merge.hexsha[:7]) == merge

assert repo.rev_parse(describe_name) == merge

assert repo.rev_parse("%s-dirty" % merge.hexsha[:7]) == merge

repo.create_tag(describe_name, ref=release)

assert repo.rev_parse(describe_name) == release

@pytest.mark.parametrize("name", ("objects", "config/branch"))

def test_rev_parse_names_conflicting_with_git_dir_entries(rev_parse_repo, name):

repo = rev_parse_repo["repo"]

branch = repo.create_head(name)

assert repo.rev_parse(name) == branch.commit

def test_rev_parse_navigation_and_peeling(rev_parse_repo):

repo = rev_parse_repo["repo"]

root = rev_parse_repo["root"]

release = rev_parse_repo["release"]

side = rev_parse_repo["side"]

merge = rev_parse_repo["merge"]

tag = repo.rev_parse("ann")

assert repo.rev_parse("HEAD^0") == merge

assert repo.rev_parse("HEAD~0") == merge

assert repo.rev_parse("HEAD^1") == release

assert repo.rev_parse("HEAD^2") == side

assert repo.rev_parse("HEAD~") == release

assert repo.rev_parse("HEAD^^") == root

assert tag.type == "tag"

assert repo.rev_parse("ann^{object}") == tag

assert repo.rev_parse("ann^{tag}") == tag

assert repo.rev_parse("ann^{}") == root

assert repo.rev_parse("ann^{commit}") == root

assert repo.rev_parse("HEAD^{tree}") == merge.tree

with pytest.raises(ValueError):

repo.rev_parse("HEAD^{/}")

def test_rev_parse_tree_and_index_paths(rev_parse_repo):

repo = rev_parse_repo["repo"]

merge = rev_parse_repo["merge"]

assert repo.rev_parse("HEAD:") == merge.tree

assert repo.rev_parse("HEAD:README.md") == merge.tree["README.md"]

assert repo.rev_parse("HEAD^{tree}:README.md") == merge.tree["README.md"]

assert repo.rev_parse(":README.md").binsha == merge.tree["README.md"].binsha

assert repo.rev_parse(":0:README.md").binsha == merge.tree["README.md"].binsha

def test_rev_parse_reflog_selectors(rev_parse_repo):

repo = rev_parse_repo["repo"]

merge = rev_parse_repo["merge"]

side = rev_parse_repo["side"]

main = rev_parse_repo["main"]

release = rev_parse_repo["release"]

assert repo.rev_parse("@{0}") == merge

assert repo.rev_parse("@{+0}") == merge

assert repo.rev_parse("@{1}") == release

assert repo.rev_parse("%s@{0}" % main.name) == merge

assert repo.rev_parse("@{-1}") == side

SymbolicReference.create(repo, "refs/remotes/origin/%s" % main.name, merge)

main.set_tracking_branch(RemoteReference(repo, "refs/remotes/origin/%s" % main.name))

assert repo.rev_parse("%s@{upstream}" % main.name) == merge

repo.head.reference = merge

assert repo.rev_parse("@{0}") == merge

assert repo.rev_parse("@{1}").hexsha == repo.git.rev_parse("@{1}")

assert repo.rev_parse("%s@{upstream}" % main.name) == merge

with pytest.raises(BadName):

repo.rev_parse("@{upstream}")

def test_rev_parse_commit_message_search(rev_parse_repo):

repo = rev_parse_repo["repo"]

release = rev_parse_repo["release"]

merge = rev_parse_repo["merge"]

assert repo.rev_parse(":/release") == release

assert repo.rev_parse("HEAD^{/release}") == release

assert repo.rev_parse("HEAD^{/!-release}") == merge

def test_rev_parse_rejects_invalid_object_specs(rev_parse_repo):

repo = rev_parse_repo["repo"]

with pytest.raises(ValueError):

repo.rev_parse(":")

with pytest.raises(ValueError):

repo.rev_parse(":/")

with pytest.raises(ValueError):

repo.rev_parse(":/[")

with pytest.raises(ValueError):

repo.rev_parse("HEAD^{/[}")

with pytest.raises(ValueError):

repo.rev_parse("@{-0}")

with pytest.raises(ValueError):

repo.rev_parse("HEAD^{invalid}")

with pytest.raises(BadName):

repo.rev_parse(":missing")

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