GitPython/test/test_tree.py at gix-backend · 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/

import os

import os.path as osp

from io import BytesIO

import ddt

import pytest

from gitdb import IStream

from git.objects import Blob, Tree

from git.objects.tree import TreeModifier

from test.lib import TestBase, with_rw_repo

from test.lib.fixtures import read_only_fixture

from .lib.helper import PathLikeMock

@ddt.ddt

class TestTree(TestBase):

@with_rw_repo("HEAD")

def test_serializable(self, rw_repo):

# Tree at the given commit contains a submodule as well.

roottree = rw_repo.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)

stored = rw_repo.odb.store(IStream("tree", len(stream.getvalue()), stream))

testtree = Tree(rw_repo, stored.binsha, 0, "")

assert testtree._cache == orig_cache

del testtree._cache

assert testtree._cache == orig_cache

# END for each item in tree

@with_rw_repo("HEAD")

def test_valid_unusual_tree_names_round_trip(self, rw_repo):

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 = Tree(rw_repo, Tree.NULL_BIN_SHA, path="")

tree._cache = cache

tree._serialize(data)

data.seek(0)

stored = rw_repo.odb.store(IStream("tree", len(data.getvalue()), data))

assert Tree(rw_repo, stored.binsha, path="")._cache == cache

def _get_git_ordered_files(self):

return (read_only_fixture("tree-order.sh") / "order").read_text().splitlines()

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 = Tree(self.rorepo, Tree.NULL_BIN_SHA, path="")

tree._cache = [(b"a" * 20, 0o100644, name)]

tree._serialize(BytesIO())

@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",

)

@with_rw_repo("HEAD")

def test_gitmodules_symlink_entries_are_rejected(self, rw_repo, name):

cache = []

with pytest.raises(ValueError, match="submodule configuration"):

TreeModifier(cache).add(b"a" * 20, 0o120000, name)

assert not cache

TreeModifier(cache).add(b"a" * 20, 0o100644, name)

tree = Tree(rw_repo, Tree.NULL_BIN_SHA, path="")

tree._cache = cache

data = BytesIO()

tree._serialize(data)

data.seek(0)

stored = rw_repo.odb.store(IStream("tree", len(data.getvalue()), data))

assert Tree(rw_repo, stored.binsha, path="")._cache == 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",

)

@with_rw_repo("HEAD")

def test_gitmodules_short_name_near_misses_round_trip(self, rw_repo, 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)]

tree = Tree(rw_repo, Tree.NULL_BIN_SHA, path="")

tree._cache = cache

data = BytesIO()

tree._serialize(data)

raw = ("%o " % mode).encode() + name.encode() + b"\0" + b"a" * 20

assert data.getvalue() == raw

data.seek(0)

stored = rw_repo.odb.store(IStream("tree", len(data.getvalue()), data))

assert Tree(rw_repo, stored.binsha, path="")._cache == 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

def test_repo_lookup_string_path(self):