def test__load_raises_on_missing_rels_item(self):
"""Part._load() raises on missing rels item"""
# setup -----------------------
path = absjoin(test_file_dir, "missing_rels_item.pptx")
pkg = Package()
# verify ----------------------
with self.assertRaises(CorruptedPackageError):
pkg.open(path)
def test_save_accepts_stream(self):
"""Package.save() can write to a file-like object"""
# setup -----------------------
pkg = Package().open(dir_pkg_path)
stream = StringIO()
# exercise --------------------
pkg.save(stream)
# verify ----------------------
# can't use is_zipfile() directly on stream in Python 2.6
stream.seek(0)
with open(test_save_pptx_path, "wb") as f:
f.write(stream.read())
actual = is_zipfile(test_save_pptx_path)
msg = "Package.save(stream) did not create zipfile"
self.assertTrue(actual, msg)
def setUp(self):
self.pkg = Package()
class TestPackage(TestCase):
"""Test Package"""
def setUp(self):
self.pkg = Package()
def tearDown(self):
if os.path.isfile(test_save_pptx_path):
os.remove(test_save_pptx_path)
def test_marshal_returns_self(self):
"""Package.marshal() returns self-reference"""
# setup -----------------------
model_pkg = pptx.presentation._Package(test_pptx_path)
# exercise --------------------
retval = self.pkg.marshal(model_pkg)
# verify ----------------------
expected = self.pkg
actual = retval
msg = "expected '%s', got '%s'" % (expected, actual)
self.assertEqual(expected, actual, msg)
def test_open_returns_self(self):
"""Package.open() returns self-reference"""
for file in (dir_pkg_path, zip_pkg_path, open(zip_pkg_path)):
# exercise ----------------
retval = self.pkg.open(file)
# verify ------------------
expected = self.pkg
actual = retval
msg = "expected '%s', got '%s'" % (expected, actual)
self.assertEqual(expected, actual, msg)
def test_open_part_count(self):
"""Package.open() produces expected part count"""
# exercise --------------------
self.pkg.open(zip_pkg_path)
# verify ----------------------
self.assertLength(self.pkg.parts, 22)
def test_open_populates_target_part(self):
"""Part.open() populates Relationship.target"""
# setup -----------------------
cls = Part
# exercise --------------------
self.pkg.open(zip_pkg_path)
# verify ----------------------
for rel in self.pkg.relationships:
obj = rel.target
self.assertIsInstance(obj, cls)
for part in self.pkg.parts:
for rel in part.relationships:
obj = rel.target
self.assertIsInstance(obj, cls)
# def test_blob_correct_length_after_load_binary_part(self):
# """Part.blob correct length after load binary part"""
# # setup -----------------------
# partname = '/docProps/thumbnail.jpeg'
# content_type = 'image/jpeg'
# self.part.load(self.fs, partname, content_type)
# # exercise --------------------
# blob = self.part.blob
# # verify ----------------------
# self.assertLength(blob, 8147)
#
# def test__rels_element_correct_xml(self):
# BOTH PKG AND PARTS, MAYBE USE TEST FILES
# """RelationshipsItem.element produces expected XML"""
# # setup -----------------------
# ns = 'http://schemas.openxmlformats.org/package/2006/relationships'
# exp_xml = '<Relationships xmlns="%s"/>' % ns
# # exercise --------------------
# elm = self.ri.element
# # verify ----------------------
# xml_out = etree.tostring(elm)
# expected = exp_xml
# actual = xml_out
# msg = "expected '%s'\n%sgot '%s'" % (expected, ' '*21, actual)
# self.assertEqual(expected, actual, msg)
#
# def test_typespec_correct_after_load(self):
# """Part.typespec is correct after load"""
# # setup -----------------------
# self.part.load(self.fs, self.partname, self.content_type)
# # exercise --------------------
# typespec = self.part.typespec
# test_cases =\
# ( (typespec.basename , 'slideMaster')
# , (typespec.cardinality , 'multiple' )
# , (typespec.has_rels , 'always' )
# , (typespec.format , 'xml' )
# )
# # verify ----------------------
# for actual, expected in test_cases:
# msg = "expected '%s', got '%s'" % (expected, actual)
# self.assertEqual(expected, actual, msg)
def test_parts_property_empty_on_construction(self):
"""Package.parts property empty on construction"""
# verify ----------------------
self.assertIsSizedProperty(self.pkg, "parts", 0)
def test_relationships_property_empty_on_construction(self):
"""Package.relationships property empty on construction"""
# verify ----------------------
self.assertIsSizedProperty(self.pkg, "relationships", 0)
def test_relationships_correct_length_after_open(self):
"""Package.relationships correct length after open()"""
# exercise --------------------
self.pkg.open(zip_pkg_path)
# verify ----------------------
self.assertLength(self.pkg.relationships, 4)
def test_relationships_discarded_before_open(self):
"""Package.relationships discards rels before second open()"""
# setup -----------------------
self.pkg.open(zip_pkg_path)
# exercise --------------------
self.pkg.open(dir_pkg_path)
# verify ----------------------
self.assertLength(self.pkg.relationships, 4)
def test_save_accepts_stream(self):
"""Package.save() can write to a file-like object"""
# setup -----------------------
pkg = Package().open(dir_pkg_path)
stream = StringIO()
# exercise --------------------
pkg.save(stream)
# verify ----------------------
# can't use is_zipfile() directly on stream in Python 2.6
stream.seek(0)
with open(test_save_pptx_path, "wb") as f:
f.write(stream.read())
actual = is_zipfile(test_save_pptx_path)
msg = "Package.save(stream) did not create zipfile"
self.assertTrue(actual, msg)
def test_save_writes_pptx_zipfile(self):
"""Package.save(path) writes .pptx file"""
# setup -----------------------
self.pkg.open(dir_pkg_path)
save_path = test_save_pptx_path
# exercise --------------------
self.pkg.save(save_path)
# verify ----------------------
actual = is_zipfile(save_path)
msg = "no zipfile at %s" % (save_path)
self.assertTrue(actual, msg)
def test_save_member_count(self):
"""Package.save() produces expected zip member count"""
# setup -----------------------
self.pkg.open(dir_pkg_path)
save_path = test_save_pptx_path
# exercise --------------------
self.pkg.save(save_path)
# verify ----------------------
zip = ZipFile(save_path)
names = zip.namelist()
zip.close()
partnames = [name for name in names if not name.endswith("/")]
self.assertLength(partnames, 38)
