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355 lines (310 loc) · 11.9 KB
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# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
import os
import os.path as osp
import subprocess
from io import BytesIO
from pathlib import Path
import ddt
import pytest
from git.objects import Blob, Tree
from git.objects.fun import tree_entries_from_data, tree_to_stream
from git.objects.tree import TreeModifier
from git.repo import Repo
from git.util import cwd
from test.lib import TestBase, with_rw_directory
from .lib.helper import PathLikeMock, with_rw_repo
@ddt.ddt
class TestTree(TestBase):
def test_serializable(self):
# Tree at the given commit contains a submodule as well.
roottree = self.rorepo.tree("6c1faef799095f3990e9970bc2cb10aa0221cf9c")
for item in roottree.traverse(ignore_self=False):
if item.type != Tree.type:
continue
# END skip non-trees
tree = item
# Trees have no dict.
self.assertRaises(AttributeError, setattr, tree, "someattr", 1)
orig_data = tree.data_stream.read()
orig_cache = tree._cache
stream = BytesIO()
tree._serialize(stream)
assert stream.getvalue() == orig_data
stream.seek(0)
testtree = Tree(self.rorepo, Tree.NULL_BIN_SHA, 0, "")
testtree._deserialize(stream)
assert testtree._cache == orig_cache
# Replaces cache, but we make sure of it.
del testtree._cache
testtree._deserialize(stream)
# END for each item in tree
def test_valid_unusual_tree_names_round_trip(self):
names = ["a b", "a\nb", "a\tb", "café", ".gitignore"]
if os.name != "nt":
names.extend(["a\\b", "a:b", "C:relative"])
cache = []
modifier = TreeModifier(cache)
for name in names:
modifier.add(b"a" * 20, 0o100644, name)
modifier.set_done()
data = BytesIO()
tree_to_stream(cache, data.write)
assert tree_entries_from_data(data.getvalue()) == cache
@with_rw_directory
def _get_git_ordered_files(self, rw_dir):
"""Get files as git orders them, to compare in test_tree_modifier_ordering."""
# Create directory contents.
Path(rw_dir, "file").mkdir()
for filename in (
"bin",
"bin.d",
"file.to",
"file.toml",
"file.toml.bin",
"file0",
):
Path(rw_dir, filename).touch()
Path(rw_dir, "file", "a").touch()
with cwd(rw_dir):
# Prepare the repository.
subprocess.run(["git", "init", "-q"], check=True)
subprocess.run(["git", "add", "."], check=True)
subprocess.run(["git", "commit", "-m", "c1"], check=True)
# Get git output from which an ordered file list can be parsed.
rev_parse_command = ["git", "rev-parse", "HEAD^{tree}"]
tree_hash = subprocess.check_output(rev_parse_command).decode().strip()
cat_file_command = ["git", "cat-file", "-p", tree_hash]
cat_file_output = subprocess.check_output(cat_file_command).decode()
return [line.split()[-1] for line in cat_file_output.split("\n") if line]
def test_tree_modifier_ordering(self):
"""TreeModifier.set_done() sorts files in the same order git does."""
git_file_names_in_order = self._get_git_ordered_files()
hexsha = "6c1faef799095f3990e9970bc2cb10aa0221cf9c"
roottree = self.rorepo.tree(hexsha)
blob_mode = Tree.blob_id << 12
tree_mode = Tree.tree_id << 12
files_in_desired_order = [
(blob_mode, "bin"),
(blob_mode, "bin.d"),
(blob_mode, "file.to"),
(blob_mode, "file.toml"),
(blob_mode, "file.toml.bin"),
(blob_mode, "file0"),
(tree_mode, "file"),
]
mod = roottree.cache
for file_mode, file_name in files_in_desired_order:
mod.add(hexsha, file_mode, file_name)
# end for each file
def file_names_in_order():
return [t[1] for t in files_in_desired_order]
def names_in_mod_cache():
a = [t[2] for t in mod._cache]
here = file_names_in_order()
return [e for e in a if e in here]
mod.set_done()
assert names_in_mod_cache() == git_file_names_in_order, "set_done() performs git-sorting"
@ddt.data("", ".", "..", ".git", ".GIT", "git~1", ".git. ", ".g\u200cit", "a/b", "a\0b")
def test_tree_names_are_checked_at_construction_and_serialization(self, name):
cache = []
with pytest.raises(ValueError):
TreeModifier(cache).add(b"a" * 20, 0o100644, name)
assert not cache
with pytest.raises(ValueError):
tree_to_stream([(b"a" * 20, 0o100644, name)], BytesIO().write)
@ddt.data(
".gitmodules",
".GITMODULES",
".gitmodules ",
".gi\u200ctmodules",
"gitmod~1",
"gitmod~2",
"gitmod~3",
"GITMOD~4",
"gi7eba~1",
"GI7EBA~9",
"GI7EB~10",
"GI7EB~11",
"GI7EB~99",
"GI7E~100",
"GI7E~101",
"GI7E~999",
"GI7~1000",
"GI7~9999",
"GI~10000",
"GI~99999",
"G~100000",
"G~999999",
"~1000000",
"~9999999",
"Gi7Eb~42",
"gi7e~120",
"GITMOD~4 . ",
"GI7EB~10. ",
"GI7E~100:$DATA",
"~1000000 . :$DATA",
)
def test_gitmodules_symlink_entries_are_rejected(self, name):
"""A symbolic link named like the submodule configuration would make Git read
it from outside the repository, so such an entry is refused in both
directions. A regular file with the same name is the normal case."""
symlink_mode = 0o120000
cache = []
with pytest.raises(ValueError):
TreeModifier(cache).add(b"a" * 20, symlink_mode, name)
assert not cache
with pytest.raises(ValueError):
tree_to_stream([(b"a" * 20, symlink_mode, name)], BytesIO().write)
raw = b"120000 " + name.encode() + b"\0" + b"a" * 20
with pytest.raises(ValueError):
tree_entries_from_data(raw)
TreeModifier(cache).add(b"a" * 20, 0o100644, name)
assert cache == [(b"a" * 20, 0o100644, name)]
data = BytesIO()
tree_to_stream(cache, data.write)
assert tree_entries_from_data(data.getvalue()) == cache
@ddt.data(
"gitmod~0",
"gitmod~5",
"gitmod~10",
"GI7EBA~",
"GI7EBA~0",
"GI7EBA~~1",
"GI7EBA~X",
"GI7EBA~10",
"Gx7EBA~1",
"GI7EBX~1",
"GI7EB~1",
"GI7EB~01",
"GI7EB~1X",
"GI7EB~100",
"GI7E~10",
"GI7E~010",
"GI7E~1000",
"GI7~100",
"GI7~0100",
"GI7~10000",
"GI~1000",
"GI~01000",
"GI~100000",
"G~10000",
"G~010000",
"G~1000000",
"~100000",
"~0100000",
"~10000000",
"GI7EBA~\u0661",
"GI7EB~1\uff10",
"GI7EB~10x",
"GI7EB~10.x",
" GI7EB~10",
"GI7EB~10\n",
"GI7EB~10\t",
"GI7EB~10x:$DATA",
".gitmodules x",
".gitmodules .x",
".gitmodules,:$DATA",
)
def test_gitmodules_short_name_near_misses_round_trip(self, name):
"""Only exact aliases are forbidden, and only for symbolic links."""
for mode in (0o100644, 0o120000):
cache = []
TreeModifier(cache).add(b"a" * 20, mode, name)
assert cache == [(b"a" * 20, mode, name)]
data = BytesIO()
tree_to_stream(cache, data.write)
raw = ("%o " % mode).encode() + name.encode() + b"\0" + b"a" * 20
assert data.getvalue() == raw
assert tree_entries_from_data(raw) == cache
def test_traverse(self):
root = self.rorepo.tree("0.1.6")
num_recursive = 0
all_items = []
for obj in root.traverse():
if "/" in obj.path:
num_recursive += 1
assert isinstance(obj, (Blob, Tree))
all_items.append(obj)
# END for each object
assert all_items == root.list_traverse()
# Limit recursion level to 0 - should be same as default iteration.
assert all_items
assert "CHANGES" in root
assert len(list(root)) == len(list(root.traverse(depth=1)))
# Only choose trees.
def trees_only(i, _d):
return i.type == "tree"
trees = list(root.traverse(predicate=trees_only))
assert len(trees) == len([i for i in root.traverse() if trees_only(i, 0)])
# Test prune.
def lib_folder(t, _d):
return t.path == "lib"
pruned_trees = list(root.traverse(predicate=trees_only, prune=lib_folder))
assert len(pruned_trees) < len(trees)
# Trees and blobs.
assert len(set(trees) | set(root.trees)) == len(trees)
assert len({b for b in root if isinstance(b, Blob)} | set(root.blobs)) == len(root.blobs)
subitem = trees[0][0]
assert "/" in subitem.path
assert subitem.name == osp.basename(subitem.path)
# Check that at some point the traversed paths have a slash in them.
found_slash = False
for item in root.traverse():
assert osp.isabs(item.abspath)
if "/" in item.path:
found_slash = True
# END check for slash
# Slashes in paths are supported as well.
# NOTE: On Python 3, / doesn't work with strings anymore...
assert root[item.path] == item == root / item.path
# END for each item
assert found_slash
@with_rw_repo("0.3.2.1")
def test_repo_lookup_string_path(self, rw_repo):
repo = Repo(rw_repo.git_dir)
blob = repo.tree() / ".gitignore"
assert isinstance(blob, Blob)
assert blob.hexsha == "787b3d442a113b78e343deb585ab5531eb7187fa"
@with_rw_repo("0.3.2.1")
def test_repo_lookup_pathlike_path(self, rw_repo):
repo = Repo(rw_repo.git_dir)
blob = repo.tree() / PathLikeMock(".gitignore")
assert isinstance(blob, Blob)
assert blob.hexsha == "787b3d442a113b78e343deb585ab5531eb7187fa"
@with_rw_repo("0.3.2.1")
def test_repo_lookup_invalid_string_path(self, rw_repo):
repo = Repo(rw_repo.git_dir)
with pytest.raises(KeyError):
repo.tree() / "doesnotexist"
@with_rw_repo("0.3.2.1")
def test_repo_lookup_invalid_pathlike_path(self, rw_repo):
repo = Repo(rw_repo.git_dir)
with pytest.raises(KeyError):
repo.tree() / PathLikeMock("doesnotexist")
@with_rw_repo("0.3.2.1")
def test_repo_lookup_nested_string_path(self, rw_repo):
repo = Repo(rw_repo.git_dir)
blob = repo.tree() / "git/__init__.py"
assert isinstance(blob, Blob)
assert blob.hexsha == "d87dcbdbb65d2782e14eea27e7f833a209c052f3"
@with_rw_repo("0.3.2.1")
def test_repo_lookup_nested_pathlike_path(self, rw_repo):
repo = Repo(rw_repo.git_dir)
blob = repo.tree() / PathLikeMock("git/__init__.py")
assert isinstance(blob, Blob)
assert blob.hexsha == "d87dcbdbb65d2782e14eea27e7f833a209c052f3"
@with_rw_repo("0.3.2.1")
def test_repo_lookup_folder_string_path(self, rw_repo):
repo = Repo(rw_repo.git_dir)
tree = repo.tree() / "git"
assert isinstance(tree, Tree)
assert tree.hexsha == "ec8ae429156d65afde4bbb3455570193b56f0977"
@with_rw_repo("0.3.2.1")
def test_repo_lookup_folder_pathlike_path(self, rw_repo):
repo = Repo(rw_repo.git_dir)
tree = repo.tree() / PathLikeMock("git")
assert isinstance(tree, Tree)
assert tree.hexsha == "ec8ae429156d65afde4bbb3455570193b56f0977"