GitPython/test/test_tree.py at main · gitpython-developers/GitPython · GitHub

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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 io import BytesIO

import os.path as osp

from pathlib import Path

import subprocess

import pytest

from git.objects import Blob, Tree

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

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

@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"

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"

GitPython/test/test_tree.py at main · gitpython-developers/GitPython · GitHub

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