GitPython/git/test/test_cmd.py at experiment-2012 · githubdelegate/GitPython · GitHub

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# test_git.py

# This module is part of GitPython and is released under

# the BSD License: http://www.opensource.org/licenses/bsd-license.php

import os

import sys

from git.test.lib import (

TestBase,

patch,

raises,

assert_equal,

assert_true,

assert_match,

fixture_path

)

from git import Git, GitCommandError

class TestGit(TestBase):

@classmethod

def setUp(cls):

super(TestGit, cls).setUp()

cls.git = Git(cls.rorepo.working_dir)

@patch.object(Git, 'execute')

def test_call_process_calls_execute(self, git):

git.return_value = ''

self.git.version()

assert_true(git.called)

assert_equal(git.call_args, ((['git', 'version'],), {}))

def test_call_unpack_args_unicode(self):

args = Git._Git__unpack_args(u'Unicode' + unichr(40960))

assert_equal(args, ['Unicode\xea\x80\x80'])

def test_call_unpack_args(self):

args = Git._Git__unpack_args(['git', 'log', '--', u'Unicode' + unichr(40960)])

assert_equal(args, ['git', 'log', '--', 'Unicode\xea\x80\x80'])

@raises(GitCommandError)

def test_it_raises_errors(self):

self.git.this_does_not_exist()

def test_it_transforms_kwargs_into_git_command_arguments(self):

assert_equal(["-s"], self.git.transform_kwargs(**{'s': True}))

assert_equal(["-s5"], self.git.transform_kwargs(**{'s': 5}))

assert_equal(["--max-count"], self.git.transform_kwargs(**{'max_count': True}))

assert_equal(["--max-count=5"], self.git.transform_kwargs(**{'max_count': 5}))

assert_equal(["-s", "-t"], self.git.transform_kwargs(**{'s': True, 't': True}))

def test_it_executes_git_to_shell_and_returns_result(self):

assert_match('^git version [\d\.]{2}.*$', self.git.execute(["git", "version"]))

def test_it_accepts_stdin(self):

filename = fixture_path("cat_file_blob")

fh = open(filename, 'r')

assert_equal("70c379b63ffa0795fdbfbc128e5a2818397b7ef8",

self.git.hash_object(istream=fh, stdin=True))

fh.close()

@patch.object(Git, 'execute')

def test_it_ignores_false_kwargs(self, git):

# this_should_not_be_ignored=False implies it *should* be ignored

output = self.git.version(pass_this_kwarg=False)

assert_true("pass_this_kwarg" not in git.call_args[1])

def test_persistent_cat_file_command(self):

# read header only

import subprocess as sp

hexsha = "b2339455342180c7cc1e9bba3e9f181f7baa5167"

g = self.git.cat_file(batch_check=True, istream=sp.PIPE, as_process=True)

g.stdin.write("b2339455342180c7cc1e9bba3e9f181f7baa5167\n")

g.stdin.flush()

obj_info = g.stdout.readline()

# read header + data

g = self.git.cat_file(batch=True, istream=sp.PIPE, as_process=True)

g.stdin.write("b2339455342180c7cc1e9bba3e9f181f7baa5167\n")

g.stdin.flush()

obj_info_two = g.stdout.readline()

assert obj_info == obj_info_two

# read data - have to read it in one large chunk

size = int(obj_info.split()[2])

data = g.stdout.read(size)

terminating_newline = g.stdout.read(1)

# now we should be able to read a new object

g.stdin.write("b2339455342180c7cc1e9bba3e9f181f7baa5167\n")

g.stdin.flush()

assert g.stdout.readline() == obj_info

# same can be achived using the respective command functions

hexsha, typename, size = self.git.get_object_header(hexsha)

hexsha, typename_two, size_two, data = self.git.get_object_data(hexsha)

assert typename == typename_two and size == size_two

def test_version(self):

v = self.git.version_info

assert isinstance(v, tuple)

for n in v:

assert isinstance(n, int)

# END verify number types

def test_cmd_override(self):

prev_cmd = self.git.GIT_PYTHON_GIT_EXECUTABLE

try:

# set it to something that doens't exist, assure it raises

type(self.git).GIT_PYTHON_GIT_EXECUTABLE = os.path.join(

"some", "path", "which", "doesn't", "exist", "gitbinary")

self.failUnlessRaises(OSError, self.git.version)

finally:

type(self.git).GIT_PYTHON_GIT_EXECUTABLE = prev_cmd

# END undo adjustment

def test_output_strip(self):

import subprocess as sp

hexsha = "b2339455342180c7cc1e9bba3e9f181f7baa5167"

# Verify that a trailing newline is stripped from the output of a git

# command.

content = self.git.cat_file('blob', hexsha)

g = self.git.hash_object(istream=sp.PIPE, as_process=True, stdin=True)

g.stdin.write(content)

g.stdin.close()

newsha = g.stdout.readline().strip()

self.assertNotEquals(newsha, hexsha)

# Verify that output of a git command which ends with an empty

# line is not modified when the output_strip flag is cleared.

content = self.git.cat_file('blob', hexsha, output_strip=False)

g = self.git.hash_object(istream=sp.PIPE, as_process=True, stdin=True)

g.stdin.write(content)

g.stdin.close()

newsha = g.stdout.readline().strip()

self.assertEquals(newsha, hexsha)

GitPython/git/test/test_cmd.py at experiment-2012 · githubdelegate/GitPython · GitHub

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