def test_file_multidb(self): register_connection('test_files', 'test_files') class TestFile(Document): name = StringField() the_file = FileField(db_alias="test_files", collection_name="macumba") TestFile.drop_collection() # delete old filesystem get_db("test_files").macumba.files.drop() get_db("test_files").macumba.chunks.drop() # First instance test_file = TestFile() test_file.name = "Hello, World!" test_file.the_file.put(b('Hello, World!'), name="hello.txt") test_file.save() data = get_db("test_files").macumba.files.find_one() self.assertEqual(data.get('name'), 'hello.txt') test_file = TestFile.objects.first() self.assertEqual(test_file.the_file.read(), b('Hello, World!'))
def test_file_fields_stream(self): """Ensure that file fields can be written to and their data retrieved """ class StreamFile(Document): the_file = FileField() StreamFile.drop_collection() text = b('Hello, World!') more_text = b('Foo Bar') content_type = 'text/plain' streamfile = StreamFile() streamfile.the_file.new_file(content_type=content_type) streamfile.the_file.write(text) streamfile.the_file.write(more_text) streamfile.the_file.close() streamfile.save() result = StreamFile.objects.first() self.assertTrue(streamfile == result) self.assertEqual(result.the_file.read(), text + more_text) self.assertEqual(result.the_file.content_type, content_type) result.the_file.seek(0) self.assertEqual(result.the_file.tell(), 0) self.assertEqual(result.the_file.read(len(text)), text) self.assertEqual(result.the_file.tell(), len(text)) self.assertEqual(result.the_file.read(len(more_text)), more_text) self.assertEqual(result.the_file.tell(), len(text + more_text)) result.the_file.delete() # Ensure deleted file returns None self.assertTrue(result.the_file.read() == None)
def test_file_fields_set(self): class SetFile(Document): the_file = FileField() text = b('Hello, World!') more_text = b('Foo Bar') SetFile.drop_collection() setfile = SetFile() setfile.the_file = text setfile.save() result = SetFile.objects.first() self.assertTrue(setfile == result) self.assertEqual(result.the_file.read(), text) # Try replacing file with new one result.the_file.replace(more_text) result.save() result = SetFile.objects.first() self.assertTrue(setfile == result) self.assertEqual(result.the_file.read(), more_text) result.the_file.delete()
def test_file_multidb(self): register_connection('test_files', 'test_files') class TestFile(Document): name = StringField() the_file = FileField(db_alias="test_files", collection_name="macumba") TestFile.drop_collection() # delete old filesystem get_db("test_files").macumba.files.drop() get_db("test_files").macumba.chunks.drop() # First instance test_file = TestFile() test_file.name = "Hello, World!" test_file.the_file.put(b('Hello, World!'), name="hello.txt") test_file.save() data = get_db("test_files").macumba.files.find_one() self.assertEqual(data.get('name'), 'hello.txt') test_file = TestFile.objects.first() self.assertEqual(test_file.the_file.read(), b('Hello, World!')) test_file = TestFile.objects.first() test_file.the_file = b('HELLO, WORLD!') test_file.save() test_file = TestFile.objects.first() self.assertEqual(test_file.the_file.read(), b('HELLO, WORLD!'))
def test_file_fields_stream(self): """Ensure that file fields can be written to and their data retrieved """ class StreamFile(Document): the_file = FileField() StreamFile.drop_collection() text = b('Hello, World!') more_text = b('Foo Bar') content_type = 'text/plain' streamfile = StreamFile() streamfile.the_file.new_file(content_type=content_type) streamfile.the_file.write(text) streamfile.the_file.write(more_text) streamfile.the_file.close() streamfile.save() result = StreamFile.objects.first() self.assertTrue(streamfile == result) self.assertEqual(result.the_file.read(), text + more_text) self.assertEqual(result.the_file.content_type, content_type) result.the_file.seek(0) self.assertEqual(result.the_file.tell(), 0) self.assertEqual(result.the_file.read(len(text)), text) self.assertEqual(result.the_file.tell(), len(text)) self.assertEqual(result.the_file.read(len(more_text)), more_text) self.assertEqual(result.the_file.tell(), len(text + more_text)) result.the_file.delete() # Ensure deleted file returns None self.assertTrue(result.the_file.read() is None)
def test_image_field(self): if not HAS_PIL: raise SkipTest('PIL not installed') class TestImage(Document): image = ImageField() TestImage.drop_collection() with tempfile.TemporaryFile() as f: f.write(b("Hello World!")) f.flush() t = TestImage() try: t.image.put(f) self.fail("Should have raised an invalidation error") except ValidationError as e: self.assertEqual( "%s" % e, "Invalid image: cannot identify image file %s" % f) t = TestImage() t.image.put(open(TEST_IMAGE_PATH, 'rb')) t.save() t = TestImage.objects.first() self.assertEqual(t.image.format, 'PNG') w, h = t.image.size self.assertEqual(w, 371) self.assertEqual(h, 76) t.image.delete()
def test_image_field(self): if not HAS_PIL: raise SkipTest('PIL not installed') class TestImage(Document): image = ImageField() TestImage.drop_collection() with tempfile.TemporaryFile() as f: f.write(b("Hello World!")) f.flush() t = TestImage() try: t.image.put(f) self.fail("Should have raised an invalidation error") except ValidationError as e: self.assertEqual("%s" % e, "Invalid image: cannot identify image file %s" % f) t = TestImage() t.image.put(open(TEST_IMAGE_PATH, 'rb')) t.save() t = TestImage.objects.first() self.assertEqual(t.image.format, 'PNG') w, h = t.image.size self.assertEqual(w, 371) self.assertEqual(h, 76) t.image.delete()
def test_file_field_no_default(self): class GridDocument(Document): the_file = FileField() GridDocument.drop_collection() with tempfile.TemporaryFile() as f: f.write(b("Hello World!")) f.flush() # Test without default doc_a = GridDocument() doc_a.save() doc_b = GridDocument.objects.with_id(doc_a.id) doc_b.the_file.replace(f, filename='doc_b') doc_b.save() self.assertNotEqual(doc_b.the_file.grid_id, None) # Test it matches doc_c = GridDocument.objects.with_id(doc_b.id) self.assertEqual(doc_b.the_file.grid_id, doc_c.the_file.grid_id) # Test with default doc_d = GridDocument(the_file=b('')) doc_d.save() doc_e = GridDocument.objects.with_id(doc_d.id) self.assertEqual(doc_d.the_file.grid_id, doc_e.the_file.grid_id) doc_e.the_file.replace(f, filename='doc_e') doc_e.save() doc_f = GridDocument.objects.with_id(doc_e.id) self.assertEqual(doc_e.the_file.grid_id, doc_f.the_file.grid_id) db = GridDocument._get_db() grid_fs = gridfs.GridFS(db) self.assertEqual(['doc_b', 'doc_e'], grid_fs.list())
def test_file_boolean(self): """Ensure that a boolean test of a FileField indicates its presence """ class TestFile(Document): the_file = FileField() TestFile.drop_collection() test_file = TestFile() self.assertFalse(bool(test_file.the_file)) test_file.the_file.put(b('Hello, World!'), content_type='text/plain') test_file.save() self.assertTrue(bool(test_file.the_file)) test_file = TestFile.objects.first() self.assertEqual(test_file.the_file.content_type, "text/plain")
def test_copyable(self): class PutFile(Document): the_file = FileField() PutFile.drop_collection() text = b('Hello, World!') content_type = 'text/plain' putfile = PutFile() putfile.the_file.put(text, content_type=content_type) putfile.save() class TestFile(Document): name = StringField() self.assertEqual(putfile, copy.copy(putfile)) self.assertEqual(putfile, copy.deepcopy(putfile))
def test_image_field(self): if not HAS_PIL: raise SkipTest('PIL not installed') class TestImage(Document): image = ImageField() TestImage.drop_collection() with tempfile.TemporaryFile() as f: f.write(b("Hello World!")) f.flush() t = TestImage() try: t.image.put(f) self.fail("Should have raised an invalidation error") except ValidationError, e: self.assertEquals("%s" % e, "Invalid image: cannot identify image file")
def test_image_field(self): if not HAS_PIL: raise SkipTest('PIL not installed') class TestImage(Document): image = ImageField() TestImage.drop_collection() with tempfile.TemporaryFile() as f: f.write(b("Hello World!")) f.flush() t = TestImage() try: t.image.put(f) self.fail("Should have raised an invalidation error") except ValidationError, e: self.assertEqual("%s" % e, "Invalid image: cannot identify image file %s" % f)
def test_file_uniqueness(self): """Ensure that each instance of a FileField is unique """ class TestFile(Document): name = StringField() the_file = FileField() # First instance test_file = TestFile() test_file.name = "Hello, World!" test_file.the_file.put(b('Hello, World!')) test_file.save() # Second instance test_file_dupe = TestFile() data = test_file_dupe.the_file.read() # Should be None self.assertTrue(test_file.name != test_file_dupe.name) self.assertTrue(test_file.the_file.read() != data) TestFile.drop_collection()
def test_file_fields(self): """Ensure that file fields can be written to and their data retrieved """ class PutFile(Document): the_file = FileField() PutFile.drop_collection() text = b('Hello, World!') content_type = 'text/plain' putfile = PutFile() putfile.the_file.put(text, content_type=content_type, filename="hello") putfile.save() result = PutFile.objects.first() self.assertTrue(putfile == result) self.assertEqual("%s" % result.the_file, "<GridFSProxy: hello>") self.assertEqual(result.the_file.read(), text) self.assertEqual(result.the_file.content_type, content_type) result.the_file.delete() # Remove file from GridFS PutFile.objects.delete() # Ensure file-like objects are stored PutFile.drop_collection() putfile = PutFile() putstring = StringIO() putstring.write(text) putstring.seek(0) putfile.the_file.put(putstring, content_type=content_type) putfile.save() result = PutFile.objects.first() self.assertTrue(putfile == result) self.assertEqual(result.the_file.read(), text) self.assertEqual(result.the_file.content_type, content_type) result.the_file.delete()
def test_file_disk_space(self): """ Test disk space usage when we delete/replace a file """ class TestFile(Document): the_file = FileField() text = b('Hello, World!') content_type = 'text/plain' testfile = TestFile() testfile.the_file.put(text, content_type=content_type, filename="hello") testfile.save() # Now check fs.files and fs.chunks db = TestFile._get_db() files = db.fs.files.find() chunks = db.fs.chunks.find() self.assertEquals(len(list(files)), 1) self.assertEquals(len(list(chunks)), 1) # Deleting the docoument should delete the files testfile.delete() files = db.fs.files.find() chunks = db.fs.chunks.find() self.assertEquals(len(list(files)), 0) self.assertEquals(len(list(chunks)), 0) # Test case where we don't store a file in the first place testfile = TestFile() testfile.save() files = db.fs.files.find() chunks = db.fs.chunks.find() self.assertEquals(len(list(files)), 0) self.assertEquals(len(list(chunks)), 0) testfile.delete() files = db.fs.files.find() chunks = db.fs.chunks.find() self.assertEquals(len(list(files)), 0) self.assertEquals(len(list(chunks)), 0) # Test case where we overwrite the file testfile = TestFile() testfile.the_file.put(text, content_type=content_type, filename="hello") testfile.save() text = b('Bonjour, World!') testfile.the_file.replace(text, content_type=content_type, filename="hello") testfile.save() files = db.fs.files.find() chunks = db.fs.chunks.find() self.assertEquals(len(list(files)), 1) self.assertEquals(len(list(chunks)), 1) testfile.delete() files = db.fs.files.find() chunks = db.fs.chunks.find() self.assertEquals(len(list(files)), 0) self.assertEquals(len(list(chunks)), 0)