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# Copyright (C) 2012 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import unittest
import morphlib
class FakeChunkMorph(object):
@property
def kind(self):
return 'chunk'
class FakeStratumMorph(object):
@property
def kind(self):
return 'stratum'
class BlobsTests(unittest.TestCase):
def test_create_a_chunk_blob(self):
morph = FakeChunkMorph()
chunk = morphlib.blobs.Blob.create_blob(morph)
self.assertTrue(isinstance(chunk, morphlib.blobs.Chunk))
self.assertEqual(morph, chunk.morph)
def test_create_a_stratum_blob(self):
morph = FakeStratumMorph()
stratum = morphlib.blobs.Blob.create_blob(morph)
self.assertTrue(isinstance(stratum, morphlib.blobs.Stratum))
self.assertEqual(morph, stratum.morph)
def test_create_a_system_blob(self):
class FakeSystemMorph(object):
@property
def kind(self):
return 'system'
morph = FakeSystemMorph()
system = morphlib.blobs.Blob.create_blob(morph)
self.assertTrue(isinstance(system, morphlib.blobs.System))
self.assertEqual(morph, system.morph)
def test_create_an_invalid_blob(self):
class FakeInvalidMorph(object):
@property
def kind(self):
return 'invalid'
@property
def filename(self):
return '/foo/bar/baz.morph'
morph = FakeInvalidMorph()
self.assertRaises(TypeError, morphlib.blobs.Blob.create_blob, morph)
def test_blob_with_parents(self):
blob1 = morphlib.blobs.Blob(FakeChunkMorph())
blob2 = morphlib.blobs.Blob(FakeStratumMorph())
blob3 = morphlib.blobs.Blob(FakeStratumMorph())
self.assertEqual(len(blob1.parents), 0)
blob1.add_parent(blob2)
self.assertTrue(blob2 in blob1.parents)
self.assertTrue(blob3 not in blob1.parents)
self.assertEqual(len(blob1.parents), 1)
blob1.add_parent(blob3)
self.assertTrue(blob2 in blob1.parents)
self.assertTrue(blob3 in blob1.parents)
self.assertEqual(len(blob1.parents), 2)
blob1.remove_parent(blob2)
self.assertTrue(blob2 not in blob1.parents)
self.assertTrue(blob3 in blob1.parents)
self.assertEqual(len(blob1.parents), 1)
blob1.remove_parent(blob3)
self.assertTrue(blob2 not in blob1.parents)
self.assertTrue(blob3 not in blob1.parents)
self.assertEqual(len(blob1.parents), 0)
def test_blob_add_remove_dependency(self):
blob1 = morphlib.blobs.Blob(None)
blob2 = morphlib.blobs.Blob(None)
self.assertEqual(len(blob1.dependencies), 0)
self.assertEqual(len(blob2.dependencies), 0)
blob1.add_dependency(blob2)
self.assertTrue(blob2 in blob1.dependencies)
self.assertTrue(blob1 in blob2.dependents)
self.assertTrue(blob1.depends_on(blob2))
blob2.add_dependency(blob1)
self.assertTrue(blob2 in blob1.dependencies)
self.assertTrue(blob1 in blob2.dependents)
self.assertTrue(blob1 in blob2.dependencies)
self.assertTrue(blob2 in blob1.dependents)
self.assertTrue(blob1.depends_on(blob2))
self.assertTrue(blob2.depends_on(blob1))
blob1.remove_dependency(blob2)
self.assertTrue(blob2 not in blob1.dependencies)
self.assertTrue(blob1 not in blob2.dependents)
self.assertTrue(blob1 in blob2.dependencies)
self.assertTrue(blob2 in blob1.dependents)
self.assertFalse(blob1.depends_on(blob2))
self.assertTrue(blob2.depends_on(blob1))
blob2.remove_dependency(blob1)
self.assertTrue(blob2 not in blob1.dependencies)
self.assertTrue(blob1 not in blob2.dependents)
self.assertTrue(blob1 not in blob2.dependencies)
self.assertTrue(blob2 not in blob1.dependents)
self.assertFalse(blob1.depends_on(blob2))
self.assertFalse(blob2.depends_on(blob1))
def test_hashing_and_equality_checks(self):
morph = FakeChunkMorph()
blob1 = morphlib.blobs.Blob.create_blob(morph)
blob2 = morphlib.blobs.Blob.create_blob(morph)
blob3 = morphlib.blobs.Blob.create_blob(FakeChunkMorph())
self.assertEqual(hash(blob1), hash(blob2))
self.assertEqual(blob1, blob2)
self.assertNotEqual(hash(blob1), hash(blob3))
self.assertNotEqual(blob1, blob3)
def test_chunks(self):
settings = { 'git-base-url': [] }
loader = morphlib.morphologyloader.MorphologyLoader(settings)
loader._get_morph_text = self.get_morph_text
class FakeTreeish(object):
def __init__(self):
self.original_repo = 'test-repo'
faketreeish = FakeTreeish()
faketreeish.original_repo = 'hello'
stratum_morph = loader.load(faketreeish, 'foo.morph')
stratum = morphlib.blobs.Stratum(stratum_morph)
self.assertEquals(len(stratum.chunks), 1)
self.assertTrue('foo' in stratum.chunks)
self.assertEqual(['.'], stratum.chunks['foo'])
chunk_morph = loader.load(faketreeish, 'bar.morph')
chunk = morphlib.blobs.Chunk(chunk_morph)
self.assertEqual(len(chunk.chunks), 2)
self.assertTrue('include' in chunk.chunks)
self.assertEqual(chunk.chunks['include'], ['include/'])
self.assertTrue('src' in chunk.chunks)
self.assertEqual(chunk.chunks['src'], ['src/'])
def get_morph_text(self, treeish, filename):
if filename == 'foo.morph':
return ('''
{
"name": "foo",
"kind": "stratum",
"sources": [
{
"name": "bar",
"repo": "bar",
"ref": "master"
}
]
}''')
else:
return ('''
{
"name": "bar",
"kind": "chunk",
"chunks": {
"include": [ "include/" ],
"src": [ "src/" ]
}
}''')
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