GitPython/git/test/test_submodule.py at fix-ci-tests · og-python-scripts/GitPython · GitHub

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# This module is part of GitPython and is released under

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

import sys

import os

import git

from git.test.lib import (

TestBase,

with_rw_repo

)

from gitdb.test.lib import with_rw_directory

from git.exc import (

InvalidGitRepositoryError,

RepositoryDirtyError

)

from git.objects.submodule.base import Submodule

from git.objects.submodule.root import RootModule, RootUpdateProgress

from git.util import to_native_path_linux, join_path_native

from git.compat import string_types

from git.repo.fun import (

find_git_dir,

touch

)

# Change the configuration if possible to prevent the underlying memory manager

# to keep file handles open. On windows we get problems as they are not properly

# closed due to mmap bugs on windows (as it appears)

if sys.platform == 'win32':

try:

import smmap.util

smmap.util.MapRegion._test_read_into_memory = True

except ImportError:

sys.stderr.write("The submodule tests will fail as some files cannot be removed due to open file handles.\n")

sys.stderr.write(

"The latest version of gitdb uses a memory map manager which can be configured to work around this problem")

# END handle windows platform

class TestRootProgress(RootUpdateProgress):

"""Just prints messages, for now without checking the correctness of the states"""

def update(self, op, cur_count, max_count, message=''):

print(op, cur_count, max_count, message)

prog = TestRootProgress()

class TestSubmodule(TestBase):

k_subm_current = "c15a6e1923a14bc760851913858a3942a4193cdb"

k_subm_changed = "394ed7006ee5dc8bddfd132b64001d5dfc0ffdd3"

k_no_subm_tag = "0.1.6"

def _do_base_tests(self, rwrepo):

"""Perform all tests in the given repository, it may be bare or nonbare"""

# manual instantiation

smm = Submodule(rwrepo, "\0" * 20)

# name needs to be set in advance

self.failUnlessRaises(AttributeError, getattr, smm, 'name')

# iterate - 1 submodule

sms = Submodule.list_items(rwrepo, self.k_subm_current)

assert len(sms) == 1

sm = sms[0]

# at a different time, there is None

assert len(Submodule.list_items(rwrepo, self.k_no_subm_tag)) == 0

assert sm.path == 'git/ext/gitdb'

assert sm.path != sm.name # in our case, we have ids there, which don't equal the path

assert sm.url.endswith('github.com/gitpython-developers/gitdb.git')

assert sm.branch_path == 'refs/heads/master' # the default ...

assert sm.branch_name == 'master'

assert sm.parent_commit == rwrepo.head.commit

# size is always 0

assert sm.size == 0

# the module is not checked-out yet

self.failUnlessRaises(InvalidGitRepositoryError, sm.module)

# which is why we can't get the branch either - it points into the module() repository

self.failUnlessRaises(InvalidGitRepositoryError, getattr, sm, 'branch')

# branch_path works, as its just a string

assert isinstance(sm.branch_path, string_types)

# some commits earlier we still have a submodule, but its at a different commit

smold = next(Submodule.iter_items(rwrepo, self.k_subm_changed))

assert smold.binsha != sm.binsha

assert smold != sm # the name changed

# force it to reread its information

del(smold._url)

smold.url == sm.url

# test config_reader/writer methods

sm.config_reader()

new_smclone_path = None # keep custom paths for later

new_csmclone_path = None #

if rwrepo.bare:

self.failUnlessRaises(InvalidGitRepositoryError, sm.config_writer)

else:

writer = sm.config_writer()

# for faster checkout, set the url to the local path

new_smclone_path = to_native_path_linux(join_path_native(self.rorepo.working_tree_dir, sm.path))

writer.set_value('url', new_smclone_path)

writer.release()

assert sm.config_reader().get_value('url') == new_smclone_path

assert sm.url == new_smclone_path

# END handle bare repo

smold.config_reader()

# cannot get a writer on historical submodules

if not rwrepo.bare:

self.failUnlessRaises(ValueError, smold.config_writer)

# END handle bare repo

# make the old into a new - this doesn't work as the name changed

self.failUnlessRaises(ValueError, smold.set_parent_commit, self.k_subm_current)

# the sha is properly updated

smold.set_parent_commit(self.k_subm_changed + "~1")

assert smold.binsha != sm.binsha

# raises if the sm didn't exist in new parent - it keeps its

# parent_commit unchanged

self.failUnlessRaises(ValueError, smold.set_parent_commit, self.k_no_subm_tag)

# TEST TODO: if a path in the gitmodules file, but not in the index, it raises

# TEST UPDATE

##############

# module retrieval is not always possible

if rwrepo.bare:

self.failUnlessRaises(InvalidGitRepositoryError, sm.module)

self.failUnlessRaises(InvalidGitRepositoryError, sm.remove)

self.failUnlessRaises(InvalidGitRepositoryError, sm.add, rwrepo, 'here', 'there')

else:

# its not checked out in our case

self.failUnlessRaises(InvalidGitRepositoryError, sm.module)

assert not sm.module_exists()

# currently there is only one submodule

assert len(list(rwrepo.iter_submodules())) == 1

assert sm.binsha != "\0" * 20

# TEST ADD

###########

# preliminary tests

# adding existing returns exactly the existing

sma = Submodule.add(rwrepo, sm.name, sm.path)

assert sma.path == sm.path

# no url and no module at path fails

self.failUnlessRaises(ValueError, Submodule.add, rwrepo, "newsubm", "pathtorepo", url=None)

# CONTINUE UPDATE

#################

# lets update it - its a recursive one too

newdir = os.path.join(sm.abspath, 'dir')

os.makedirs(newdir)

# update fails if the path already exists non-empty

self.failUnlessRaises(OSError, sm.update)

os.rmdir(newdir)

# dry-run does nothing

sm.update(dry_run=True, progress=prog)

assert not sm.module_exists()

assert sm.update() is sm

sm_repopath = sm.path # cache for later

assert sm.module_exists()

assert isinstance(sm.module(), git.Repo)

assert sm.module().working_tree_dir == sm.abspath

# INTERLEAVE ADD TEST

#####################

# url must match the one in the existing repository ( if submodule name suggests a new one )

# or we raise

self.failUnlessRaises(ValueError, Submodule.add, rwrepo, "newsubm", sm.path, "git://someurl/repo.git")

# CONTINUE UPDATE

#################

# we should have setup a tracking branch, which is also active

assert sm.module().head.ref.tracking_branch() is not None

# delete the whole directory and re-initialize

assert len(sm.children()) != 0

# shutil.rmtree(sm.abspath)

sm.remove(force=True, configuration=False)

assert len(sm.children()) == 0

# dry-run does nothing

sm.update(dry_run=True, recursive=False, progress=prog)

assert len(sm.children()) == 0

sm.update(recursive=False)

assert len(list(rwrepo.iter_submodules())) == 2

assert len(sm.children()) == 1 # its not checked out yet

csm = sm.children()[0]

assert not csm.module_exists()

csm_repopath = csm.path

# adjust the path of the submodules module to point to the local destination

new_csmclone_path = to_native_path_linux(join_path_native(self.rorepo.working_tree_dir, sm.path, csm.path))

writer = csm.config_writer()

writer.set_value('url', new_csmclone_path)

writer.release()

assert csm.url == new_csmclone_path

# dry-run does nothing

assert not csm.module_exists()

sm.update(recursive=True, dry_run=True, progress=prog)

assert not csm.module_exists()

# update recursively again

sm.update(recursive=True)

assert csm.module_exists()

# tracking branch once again

csm.module().head.ref.tracking_branch() is not None

# this flushed in a sub-submodule

assert len(list(rwrepo.iter_submodules())) == 2

# reset both heads to the previous version, verify that to_latest_revision works

smods = (sm.module(), csm.module())

for repo in smods:

repo.head.reset('HEAD~2', working_tree=1)

# END for each repo to reset

# dry run does nothing

self.failUnlessRaises(RepositoryDirtyError, sm.update, recursive=True, dry_run=True, progress=prog)

sm.update(recursive=True, dry_run=True, progress=prog, force=True)

for repo in smods:

assert repo.head.commit != repo.head.ref.tracking_branch().commit

# END for each repo to check

self.failUnlessRaises(RepositoryDirtyError, sm.update, recursive=True, to_latest_revision=True)

sm.update(recursive=True, to_latest_revision=True, force=True)

for repo in smods:

assert repo.head.commit == repo.head.ref.tracking_branch().commit

# END for each repo to check

del(smods)

# if the head is detached, it still works ( but warns )

smref = sm.module().head.ref

sm.module().head.ref = 'HEAD~1'

# if there is no tracking branch, we get a warning as well

csm_tracking_branch = csm.module().head.ref.tracking_branch()

csm.module().head.ref.set_tracking_branch(None)

sm.update(recursive=True, to_latest_revision=True)

# to_latest_revision changes the child submodule's commit, it needs an

# update now

csm.set_parent_commit(csm.repo.head.commit)

# undo the changes

sm.module().head.ref = smref

csm.module().head.ref.set_tracking_branch(csm_tracking_branch)

# REMOVAL OF REPOSITOTRY

########################

# must delete something

self.failUnlessRaises(ValueError, csm.remove, module=False, configuration=False)

# module() is supposed to point to gitdb, which has a child-submodule whose URL is still pointing

# to github. To save time, we will change it to

csm.set_parent_commit(csm.repo.head.commit)

cw = csm.config_writer()

cw.set_value('url', self._small_repo_url())

cw.release()

csm.repo.index.commit("adjusted URL to point to local source, instead of the internet")

# We have modified the configuration, hence the index is dirty, and the

# deletion will fail

# NOTE: As we did a few updates in the meanwhile, the indices were reset

# Hence we create some changes

csm.set_parent_commit(csm.repo.head.commit)

writer = sm.config_writer()

writer.set_value("somekey", "somevalue")

writer.release()

writer = csm.config_writer()

writer.set_value("okey", "ovalue")

writer.release()

self.failUnlessRaises(InvalidGitRepositoryError, sm.remove)

# if we remove the dirty index, it would work

sm.module().index.reset()

# still, we have the file modified

self.failUnlessRaises(InvalidGitRepositoryError, sm.remove, dry_run=True)

sm.module().index.reset(working_tree=True)

# enforce the submodule to be checked out at the right spot as well.

csm.update()

assert csm.module_exists()

assert csm.exists()

assert os.path.isdir(csm.module().working_tree_dir)

# this would work

assert sm.remove(force=True, dry_run=True) is sm

assert sm.module_exists()

sm.remove(force=True, dry_run=True)

assert sm.module_exists()

# but ... we have untracked files in the child submodule

fn = join_path_native(csm.module().working_tree_dir, "newfile")

open(fn, 'w').write("hi")

self.failUnlessRaises(InvalidGitRepositoryError, sm.remove)

# forcibly delete the child repository

prev_count = len(sm.children())

self.failUnlessRaises(ValueError, csm.remove, force=True)

# We removed sm, which removed all submodules. Howver, the instance we have

# still points to the commit prior to that, where it still existed

csm.set_parent_commit(csm.repo.commit(), check=False)

assert not csm.exists()

assert not csm.module_exists()

assert len(sm.children()) == prev_count

# now we have a changed index, as configuration was altered.

# fix this

sm.module().index.reset(working_tree=True)

# now delete only the module of the main submodule

assert sm.module_exists()

sm.remove(configuration=False, force=True)

assert sm.exists()

assert not sm.module_exists()

assert sm.config_reader().get_value('url')

# delete the rest

sm_path = sm.path

sm.remove()

assert not sm.exists()

assert not sm.module_exists()

self.failUnlessRaises(ValueError, getattr, sm, 'path')

assert len(rwrepo.submodules) == 0

# ADD NEW SUBMODULE

###################

# add a simple remote repo - trailing slashes are no problem

smid = "newsub"

osmid = "othersub"

nsm = Submodule.add(rwrepo, smid, sm_repopath, new_smclone_path + "/", None, no_checkout=True)

assert nsm.name == smid

assert nsm.module_exists()

assert nsm.exists()

# its not checked out

assert not os.path.isfile(join_path_native(nsm.module().working_tree_dir, Submodule.k_modules_file))

assert len(rwrepo.submodules) == 1

# add another submodule, but into the root, not as submodule

osm = Submodule.add(rwrepo, osmid, csm_repopath, new_csmclone_path, Submodule.k_head_default)

assert osm != nsm

assert osm.module_exists()

assert osm.exists()

assert os.path.isfile(join_path_native(osm.module().working_tree_dir, 'setup.py'))

assert len(rwrepo.submodules) == 2

# commit the changes, just to finalize the operation

rwrepo.index.commit("my submod commit")

assert len(rwrepo.submodules) == 2

# needs update as the head changed, it thinks its in the history

# of the repo otherwise

nsm.set_parent_commit(rwrepo.head.commit)

osm.set_parent_commit(rwrepo.head.commit)

# MOVE MODULE

#############

# invalid input

self.failUnlessRaises(ValueError, nsm.move, 'doesntmatter', module=False, configuration=False)

# renaming to the same path does nothing

assert nsm.move(sm_path) is nsm

# rename a module

nmp = join_path_native("new", "module", "dir") + "/" # new module path

pmp = nsm.path

assert nsm.move(nmp) is nsm

nmp = nmp[:-1] # cut last /

nmpl = to_native_path_linux(nmp)

assert nsm.path == nmpl

assert rwrepo.submodules[0].path == nmpl

mpath = 'newsubmodule'

absmpath = join_path_native(rwrepo.working_tree_dir, mpath)

open(absmpath, 'w').write('')

self.failUnlessRaises(ValueError, nsm.move, mpath)

os.remove(absmpath)

# now it works, as we just move it back

nsm.move(pmp)

assert nsm.path == pmp

assert rwrepo.submodules[0].path == pmp

# REMOVE 'EM ALL

################

# if a submodule's repo has no remotes, it can't be added without an explicit url

osmod = osm.module()

osm.remove(module=False)

for remote in osmod.remotes:

remote.remove(osmod, remote.name)

assert not osm.exists()

self.failUnlessRaises(ValueError, Submodule.add, rwrepo, osmid, csm_repopath, url=None)

# END handle bare mode

# Error if there is no submodule file here

self.failUnlessRaises(IOError, Submodule._config_parser, rwrepo, rwrepo.commit(self.k_no_subm_tag), True)

@with_rw_repo(k_subm_current)

def test_base_rw(self, rwrepo):

self._do_base_tests(rwrepo)

@with_rw_repo(k_subm_current, bare=True)

def test_base_bare(self, rwrepo):

self._do_base_tests(rwrepo)

@with_rw_repo(k_subm_current, bare=False)

def test_root_module(self, rwrepo):

# Can query everything without problems

rm = RootModule(self.rorepo)

assert rm.module() is self.rorepo

# try attributes

rm.binsha

rm.mode

rm.path

assert rm.name == rm.k_root_name

assert rm.parent_commit == self.rorepo.head.commit

rm.url

rm.branch

assert len(rm.list_items(rm.module())) == 1

rm.config_reader()

w = rm.config_writer()

w.release()

# deep traversal gitdb / async

rsmsp = [sm.path for sm in rm.traverse()]

assert len(rsmsp) >= 2 # gitdb and async [and smmap], async being a child of gitdb

# cannot set the parent commit as root module's path didn't exist

self.failUnlessRaises(ValueError, rm.set_parent_commit, 'HEAD')

# TEST UPDATE

#############

# setup commit which remove existing, add new and modify existing submodules

rm = RootModule(rwrepo)

assert len(rm.children()) == 1

# modify path without modifying the index entry

# ( which is what the move method would do properly )

#==================================================

sm = rm.children()[0]

pp = "path/prefix"

fp = join_path_native(pp, sm.path)

prep = sm.path

assert not sm.module_exists() # was never updated after rwrepo's clone

# assure we clone from a local source

writer = sm.config_writer()

writer.set_value('url', to_native_path_linux(join_path_native(self.rorepo.working_tree_dir, sm.path)))

writer.release()

# dry-run does nothing

sm.update(recursive=False, dry_run=True, progress=prog)

assert not sm.module_exists()

sm.update(recursive=False)

assert sm.module_exists()

writer = sm.config_writer()

writer.set_value('path', fp) # change path to something with prefix AFTER url change

writer.release()

# update fails as list_items in such a situations cannot work, as it cannot

# find the entry at the changed path

self.failUnlessRaises(InvalidGitRepositoryError, rm.update, recursive=False)

# move it properly - doesn't work as it its path currently points to an indexentry

# which doesn't exist ( move it to some path, it doesn't matter here )

self.failUnlessRaises(InvalidGitRepositoryError, sm.move, pp)

# reset the path(cache) to where it was, now it works

sm.path = prep

sm.move(fp, module=False) # leave it at the old location

assert not sm.module_exists()

cpathchange = rwrepo.index.commit("changed sm path") # finally we can commit

# update puts the module into place

rm.update(recursive=False, progress=prog)

sm.set_parent_commit(cpathchange)

assert sm.module_exists()

# add submodule

#================

nsmn = "newsubmodule"

nsmp = "submrepo"

subrepo_url = to_native_path_linux(join_path_native(self.rorepo.working_tree_dir, rsmsp[0], rsmsp[1]))

nsm = Submodule.add(rwrepo, nsmn, nsmp, url=subrepo_url)

csmadded = rwrepo.index.commit("Added submodule").hexsha # make sure we don't keep the repo reference

nsm.set_parent_commit(csmadded)

assert nsm.module_exists()

# in our case, the module should not exist, which happens if we update a parent

# repo and a new submodule comes into life

nsm.remove(configuration=False, module=True)

assert not nsm.module_exists() and nsm.exists()

# dry-run does nothing

rm.update(recursive=False, dry_run=True, progress=prog)

# otherwise it will work

rm.update(recursive=False, progress=prog)

assert nsm.module_exists()

# remove submodule - the previous one

#====================================

sm.set_parent_commit(csmadded)

smp = sm.abspath

assert not sm.remove(module=False).exists()

assert os.path.isdir(smp) # module still exists

csmremoved = rwrepo.index.commit("Removed submodule")

# an update will remove the module

# not in dry_run

rm.update(recursive=False, dry_run=True, force_remove=True)

assert os.path.isdir(smp)

# when removing submodules, we may get new commits as nested submodules are auto-committing changes

# to allow deletions without force, as the index would be dirty otherwise.

# QUESTION: Why does this seem to work in test_git_submodule_compatibility() ?

self.failUnlessRaises(InvalidGitRepositoryError, rm.update, recursive=False, force_remove=False)

rm.update(recursive=False, force_remove=True)

assert not os.path.isdir(smp)

# 'apply work' to the nested submodule and assure this is not removed/altered during updates

# Need to commit first, otherwise submodule.update wouldn't have a reason to change the head

touch(os.path.join(nsm.module().working_tree_dir, 'new-file'))

# We cannot expect is_dirty to even run as we wouldn't reset a head to the same location

assert nsm.module().head.commit.hexsha == nsm.hexsha

nsm.module().index.add([nsm])

nsm.module().index.commit("added new file")

rm.update(recursive=False, dry_run=True, progress=prog) # would not change head, and thus doens't fail

# Everything we can do from now on will trigger the 'future' check, so no is_dirty() check will even run

# This would only run if our local branch is in the past and we have uncommitted changes

prev_commit = nsm.module().head.commit

rm.update(recursive=False, dry_run=False, progress=prog)

assert prev_commit == nsm.module().head.commit, "head shouldn't change, as it is in future of remote branch"

# this kills the new file

rm.update(recursive=True, progress=prog, force_reset=True)

assert prev_commit != nsm.module().head.commit, "head changed, as the remote url and its commit changed"

# change url ...

#===============

# ... to the first repository, this way we have a fast checkout, and a completely different

# repository at the different url

nsm.set_parent_commit(csmremoved)

nsmurl = to_native_path_linux(join_path_native(self.rorepo.working_tree_dir, rsmsp[0]))

writer = nsm.config_writer()

writer.set_value('url', nsmurl)

writer.release()

csmpathchange = rwrepo.index.commit("changed url")

nsm.set_parent_commit(csmpathchange)

# Now nsm head is in the future of the tracked remote branch

prev_commit = nsm.module().head.commit

# dry-run does nothing

rm.update(recursive=False, dry_run=True, progress=prog)

assert nsm.module().remotes.origin.url != nsmurl

rm.update(recursive=False, progress=prog, force_reset=True)

assert nsm.module().remotes.origin.url == nsmurl

assert prev_commit != nsm.module().head.commit, "Should now point to gitdb"

assert len(rwrepo.submodules) == 1

assert not rwrepo.submodules[0].children()[0].module_exists(), "nested submodule should not be checked out"

# add the submodule's changed commit to the index, which is what the

# user would do

# beforehand, update our instance's binsha with the new one

nsm.binsha = nsm.module().head.commit.binsha

rwrepo.index.add([nsm])

# change branch

#=================

# we only have one branch, so we switch to a virtual one, and back

# to the current one to trigger the difference

cur_branch = nsm.branch

nsmm = nsm.module()

prev_commit = nsmm.head.commit

for branch in ("some_virtual_branch", cur_branch.name):

writer = nsm.config_writer()

writer.set_value(Submodule.k_head_option, git.Head.to_full_path(branch))

writer.release()

csmbranchchange = rwrepo.index.commit("changed branch to %s" % branch)

nsm.set_parent_commit(csmbranchchange)

# END for each branch to change

# Lets remove our tracking branch to simulate some changes

nsmmh = nsmm.head

assert nsmmh.ref.tracking_branch() is None # never set it up until now

assert not nsmmh.is_detached

# dry run does nothing

rm.update(recursive=False, dry_run=True, progress=prog)

assert nsmmh.ref.tracking_branch() is None

# the real thing does

rm.update(recursive=False, progress=prog)

assert nsmmh.ref.tracking_branch() is not None

assert not nsmmh.is_detached

# recursive update

# =================

# finally we recursively update a module, just to run the code at least once

# remove the module so that it has more work

assert len(nsm.children()) >= 1 # could include smmap

assert nsm.exists() and nsm.module_exists() and len(nsm.children()) >= 1

# assure we pull locally only

nsmc = nsm.children()[0]

writer = nsmc.config_writer()

writer.set_value('url', subrepo_url)

writer.release()

rm.update(recursive=True, progress=prog, dry_run=True) # just to run the code

rm.update(recursive=True, progress=prog)

# gitdb: has either 1 or 2 submodules depending on the version

assert len(nsm.children()) >= 1 and nsmc.module_exists()

@with_rw_repo(k_no_subm_tag, bare=False)

def test_first_submodule(self, rwrepo):

assert len(list(rwrepo.iter_submodules())) == 0

for sm_name, sm_path in (('first', 'submodules/first'),

('second', os.path.join(rwrepo.working_tree_dir, 'submodules/second'))):

sm = rwrepo.create_submodule(sm_name, sm_path, rwrepo.git_dir, no_checkout=True)

assert sm.exists() and sm.module_exists()

rwrepo.index.commit("Added submodule " + sm_name)

# end for each submodule path to add

self.failUnlessRaises(ValueError, rwrepo.create_submodule, 'fail', os.path.expanduser('~'))

self.failUnlessRaises(ValueError, rwrepo.create_submodule, 'fail-too',

rwrepo.working_tree_dir + os.path.sep)

@with_rw_directory

def test_add_empty_repo(self, rwdir):

empty_repo_dir = os.path.join(rwdir, 'empty-repo')

parent = git.Repo.init(os.path.join(rwdir, 'parent'))

git.Repo.init(empty_repo_dir)

for checkout_mode in range(2):

name = 'empty' + str(checkout_mode)

self.failUnlessRaises(ValueError, parent.create_submodule, name, name,

url=empty_repo_dir, no_checkout=checkout_mode and True or False)

# end for each checkout mode

@with_rw_directory

def test_git_submodules_and_add_sm_with_new_commit(self, rwdir):

parent = git.Repo.init(os.path.join(rwdir, 'parent'))

parent.git.submodule('add', self._small_repo_url(), 'module')

parent.index.commit("added submodule")

assert len(parent.submodules) == 1

sm = parent.submodules[0]

assert sm.exists() and sm.module_exists()

clone = git.Repo.clone_from(self._small_repo_url(),

os.path.join(parent.working_tree_dir, 'existing-subrepository'))

sm2 = parent.create_submodule('nongit-file-submodule', clone.working_tree_dir)

assert len(parent.submodules) == 2

for _ in range(2):

for init in (False, True):

sm.update(init=init)

sm2.update(init=init)

# end for each init state

# end for each iteration

sm.move(sm.path + '_moved')

sm2.move(sm2.path + '_moved')

parent.index.commit("moved submodules")

smm = sm.module()

fp = os.path.join(smm.working_tree_dir, 'empty-file')

with open(fp, 'w'):

pass

smm.git.add(fp)

smm.git.commit(m="new file added")

# submodules are retrieved from the current commit's tree, therefore we can't really get a new submodule

# object pointing to the new submodule commit

sm_too = parent.submodules['module_moved']

assert parent.head.commit.tree[sm.path].binsha == sm.binsha

assert sm_too.binsha == sm.binsha, "cached submodule should point to the same commit as updated one"

added_bies = parent.index.add([sm]) # addded base-index-entries

assert len(added_bies) == 1

parent.index.commit("add same submodule entry")

commit_sm = parent.head.commit.tree[sm.path]

assert commit_sm.binsha == added_bies[0].binsha

assert commit_sm.binsha == sm.binsha

sm_too.binsha = sm_too.module().head.commit.binsha

added_bies = parent.index.add([sm_too])

assert len(added_bies) == 1

parent.index.commit("add new submodule entry")

commit_sm = parent.head.commit.tree[sm.path]

assert commit_sm.binsha == added_bies[0].binsha

assert commit_sm.binsha == sm_too.binsha

assert sm_too.binsha != sm.binsha

@with_rw_directory

def test_git_submodule_compatibility(self, rwdir):

parent = git.Repo.init(os.path.join(rwdir, 'parent'))

sm_path = join_path_native('submodules', 'intermediate', 'one')

sm = parent.create_submodule('mymodules/myname', sm_path, url=self._small_repo_url())

parent.index.commit("added submodule")

def assert_exists(sm, value=True):

assert sm.exists() == value

assert sm.module_exists() == value

# end

# As git is backwards compatible itself, it would still recognize what we do here ... unless we really

# muss it up. That's the only reason why the test is still here ... .

assert len(parent.git.submodule().splitlines()) == 1

module_repo_path = os.path.join(sm.module().working_tree_dir, '.git')

assert module_repo_path.startswith(os.path.join(parent.working_tree_dir, sm_path))

if not sm._need_gitfile_submodules(parent.git):

assert os.path.isdir(module_repo_path)

assert not sm.module().has_separate_working_tree()

else:

assert os.path.isfile(module_repo_path)

assert sm.module().has_separate_working_tree()

assert find_git_dir(module_repo_path) is not None, "module pointed to by .git file must be valid"

# end verify submodule 'style'

# test move

new_sm_path = join_path_native('submodules', 'one')

sm.move(new_sm_path)

assert_exists(sm)

# Add additional submodule level

csm = sm.module().create_submodule('nested-submodule', join_path_native('nested-submodule', 'working-tree'),

url=self._small_repo_url())

sm.module().index.commit("added nested submodule")

sm_head_commit = sm.module().commit()

assert_exists(csm)

# Fails because there are new commits, compared to the remote we cloned from

self.failUnlessRaises(InvalidGitRepositoryError, sm.remove, dry_run=True)

assert_exists(sm)

assert sm.module().commit() == sm_head_commit

assert_exists(csm)

# rename nested submodule

# This name would move itself one level deeper - needs special handling internally

new_name = csm.name + '/mine'

assert csm.rename(new_name).name == new_name

assert_exists(csm)

assert csm.repo.is_dirty(index=True, working_tree=False), "index must contain changed .gitmodules file"

csm.repo.index.commit("renamed module")

# keep_going evaluation

rsm = parent.submodule_update()

assert_exists(sm)

assert_exists(csm)

csm_writer = csm.config_writer().set_value('url', 'bar')

csm_writer.release()

csm.repo.index.commit("Have to commit submodule change for algorithm to pick it up")

assert csm.url == 'bar'

self.failUnlessRaises(Exception, rsm.update, recursive=True, to_latest_revision=True, progress=prog)

assert_exists(csm)

rsm.update(recursive=True, to_latest_revision=True, progress=prog, keep_going=True)

# remove

sm_module_path = sm.module().git_dir

for dry_run in (True, False):

sm.remove(dry_run=dry_run, force=True)

assert_exists(sm, value=dry_run)

assert os.path.isdir(sm_module_path) == dry_run

# end for each dry-run mode

@with_rw_directory

def test_rename(self, rwdir):

parent = git.Repo.init(os.path.join(rwdir, 'parent'))

sm_name = 'mymodules/myname'

sm = parent.create_submodule(sm_name, sm_name, url=self._small_repo_url())

parent.index.commit("Added submodule")

assert sm.rename(sm_name) is sm and sm.name == sm_name

assert not sm.repo.is_dirty(index=True, working_tree=False, untracked_files=False)

new_path = 'renamed/myname'

assert sm.move(new_path).name == new_path

new_sm_name = "shortname"

assert sm.rename(new_sm_name) is sm

assert sm.repo.is_dirty(index=True, working_tree=False, untracked_files=False)

assert sm.exists()

sm_mod = sm.module()

if os.path.isfile(os.path.join(sm_mod.working_tree_dir, '.git')) == sm._need_gitfile_submodules(parent.git):

assert sm_mod.git_dir.endswith(join_path_native('.git', 'modules', new_sm_name))

# end

@with_rw_directory

def test_branch_renames(self, rw_dir):

# Setup initial sandbox:

# parent repo has one submodule, which has all the latest changes

source_url = self._small_repo_url()

sm_source_repo = git.Repo.clone_from(source_url, os.path.join(rw_dir, 'sm-source'), b='master')

parent_repo = git.Repo.init(os.path.join(rw_dir, 'parent'))

sm = parent_repo.create_submodule('mysubmodule', 'subdir/submodule',

sm_source_repo.working_tree_dir, branch='master')

parent_repo.index.commit('added submodule')

assert sm.exists()

# Create feature branch with one new commit in submodule source

sm_fb = sm_source_repo.create_head('feature')

sm_fb.checkout()

new_file = touch(os.path.join(sm_source_repo.working_tree_dir, 'new-file'))

sm_source_repo.index.add([new_file])

sm.repo.index.commit("added new file")

# change designated submodule checkout branch to the new upstream feature branch

smcw = sm.config_writer()

smcw.set_value('branch', sm_fb.name)

smcw.release()

assert sm.repo.is_dirty(index=True, working_tree=False)

sm.repo.index.commit("changed submodule branch to '%s'" % sm_fb)

# verify submodule update with feature branch that leaves currently checked out branch in it's past

sm_mod = sm.module()

prev_commit = sm_mod.commit()

assert sm_mod.head.ref.name == 'master'

assert parent_repo.submodule_update()

assert sm_mod.head.ref.name == sm_fb.name

assert sm_mod.commit() == prev_commit, "Without to_latest_revision, we don't change the commit"

assert parent_repo.submodule_update(to_latest_revision=True)

assert sm_mod.head.ref.name == sm_fb.name

assert sm_mod.commit() == sm_fb.commit

# Create new branch which is in our past, and thus seemingly unrelated to the currently checked out one

# To make it even 'harder', we shall fork and create a new commit

sm_pfb = sm_source_repo.create_head('past-feature', commit='HEAD~20')

sm_pfb.checkout()

sm_source_repo.index.add([touch(os.path.join(sm_source_repo.working_tree_dir, 'new-file'))])

sm_source_repo.index.commit("new file added, to past of '%r'" % sm_fb)

# Change designated submodule checkout branch to a new commit in its own past

smcw = sm.config_writer()

smcw.set_value('branch', sm_pfb.path)

smcw.release()

sm.repo.index.commit("changed submodule branch to '%s'" % sm_pfb)

# Test submodule updates - must fail if submodule is dirty

touch(os.path.join(sm_mod.working_tree_dir, 'unstaged file'))

# This doesn't fail as our own submodule binsha didn't change, and the reset is only triggered if

# to latest revision is True.

parent_repo.submodule_update(to_latest_revision=False)

sm_mod.head.ref.name == sm_pfb.name, "should have been switched to past head"

sm_mod.commit() == sm_fb.commit, "Head wasn't reset"

self.failUnlessRaises(RepositoryDirtyError, parent_repo.submodule_update, to_latest_revision=True)

parent_repo.submodule_update(to_latest_revision=True, force_reset=True)

assert sm_mod.commit() == sm_pfb.commit, "Now head should have been reset"

assert sm_mod.head.ref.name == sm_pfb.name

GitPython/git/test/test_submodule.py at fix-ci-tests · og-python-scripts/GitPython · GitHub

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