+class FileStreamTest(unittest.TestCase):
+ class MockStreamReader(object):
+ def __init__(self, content):
+ self.content = content
+
+ def readfrom(self, start, size):
+ return self.content[start:start+size]
+
+ def runTest(self):
+ content = 'abcdefghijklmnopqrstuvwxyz0123456789'
+ msr = FileStreamTest.MockStreamReader(content)
+ segments = [[0, 10, 0],
+ [10, 15, 10],
+ [25, 5, 25]]
+
+ sfr = arvados.StreamFileReader(msr, segments, "test")
+
+ self.assertEqual(sfr.name(), "test")
+ self.assertEqual(sfr.size(), 30)
+
+ self.assertEqual(sfr.readfrom(0, 30), content[0:30])
+ self.assertEqual(sfr.readfrom(2, 30), content[2:30])
+
+ self.assertEqual(sfr.readfrom(2, 8), content[2:10])
+ self.assertEqual(sfr.readfrom(0, 10), content[0:10])
+
+ self.assertEqual(sfr.tell(), 0)
+ self.assertEqual(sfr.read(5), content[0:5])
+ self.assertEqual(sfr.tell(), 5)
+ self.assertEqual(sfr.read(5), content[5:10])
+ self.assertEqual(sfr.tell(), 10)
+ self.assertEqual(sfr.read(5), content[10:15])
+ self.assertEqual(sfr.tell(), 15)
+ self.assertEqual(sfr.read(5), content[15:20])
+ self.assertEqual(sfr.tell(), 20)
+ self.assertEqual(sfr.read(5), content[20:25])
+ self.assertEqual(sfr.tell(), 25)
+ self.assertEqual(sfr.read(5), content[25:30])
+ self.assertEqual(sfr.tell(), 30)
+ self.assertEqual(sfr.read(5), '')
+ self.assertEqual(sfr.tell(), 30)
+
+ segments = [[26, 10, 0],
+ [0, 15, 10],
+ [15, 5, 25]]
+
+ sfr = arvados.StreamFileReader(msr, segments, "test")
+
+ self.assertEqual(sfr.size(), 30)
+
+ self.assertEqual(sfr.readfrom(0, 30), content[26:36] + content[0:20])
+ self.assertEqual(sfr.readfrom(2, 30), content[28:36] + content[0:20])
+
+ self.assertEqual(sfr.readfrom(2, 8), content[28:36])
+ self.assertEqual(sfr.readfrom(0, 10), content[26:36])
+
+ self.assertEqual(sfr.tell(), 0)
+ self.assertEqual(sfr.read(5), content[26:31])
+ self.assertEqual(sfr.tell(), 5)
+ self.assertEqual(sfr.read(5), content[31:36])
+ self.assertEqual(sfr.tell(), 10)
+ self.assertEqual(sfr.read(5), content[0:5])
+ self.assertEqual(sfr.tell(), 15)
+ self.assertEqual(sfr.read(5), content[5:10])
+ self.assertEqual(sfr.tell(), 20)
+ self.assertEqual(sfr.read(5), content[10:15])
+ self.assertEqual(sfr.tell(), 25)
+ self.assertEqual(sfr.read(5), content[15:20])
+ self.assertEqual(sfr.tell(), 30)
+ self.assertEqual(sfr.read(5), '')
+ self.assertEqual(sfr.tell(), 30)
+
+
+class StreamReaderTest(unittest.TestCase):
+
+ class MockKeep(object):
+ def __init__(self, content):
+ self.content = content
+
+ def get(self, locator):
+ return self.content[locator]
+
+ def runTest(self):
+ keepblocks = {'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa+10': 'abcdefghij',
+ 'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb+15': 'klmnopqrstuvwxy',
+ 'cccccccccccccccccccccccccccccccc+5': 'z0123'}
+ mk = StreamReaderTest.MockKeep(keepblocks)
+
+ sr = arvados.StreamReader([".", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa+10", "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb+15", "cccccccccccccccccccccccccccccccc+5", "0:30:foo"], mk)
+
+ content = 'abcdefghijklmnopqrstuvwxyz0123456789'
+
+ self.assertEqual(sr.readfrom(0, 30), content[0:30])
+ self.assertEqual(sr.readfrom(2, 30), content[2:30])
+
+ self.assertEqual(sr.readfrom(2, 8), content[2:10])
+ self.assertEqual(sr.readfrom(0, 10), content[0:10])
+
+ self.assertEqual(sr.readfrom(0, 5), content[0:5])
+ self.assertEqual(sr.readfrom(5, 5), content[5:10])
+ self.assertEqual(sr.readfrom(10, 5), content[10:15])
+ self.assertEqual(sr.readfrom(15, 5), content[15:20])
+ self.assertEqual(sr.readfrom(20, 5), content[20:25])
+ self.assertEqual(sr.readfrom(25, 5), content[25:30])
+ self.assertEqual(sr.readfrom(30, 5), '')
+
+class ExtractFileTest(unittest.TestCase):
+ def runTest(self):
+ m1 = """. 5348b82a029fd9e971a811ce1f71360b+43 0:43:md5sum.txt
+. 085c37f02916da1cad16f93c54d899b7+41 0:41:md6sum.txt
+. 8b22da26f9f433dea0a10e5ec66d73ba+43 0:43:md7sum.txt
+. 085c37f02916da1cad16f93c54d899b7+41 5348b82a029fd9e971a811ce1f71360b+43 8b22da26f9f433dea0a10e5ec66d73ba+43 47:80:md8sum.txt
+. 085c37f02916da1cad16f93c54d899b7+41 5348b82a029fd9e971a811ce1f71360b+43 8b22da26f9f433dea0a10e5ec66d73ba+43 40:80:md9sum.txt"""
+
+ m2 = arvados.CollectionReader(m1)
+
+ self.assertEqual(m2.manifest_text(),
+ ". 5348b82a029fd9e971a811ce1f71360b+43 085c37f02916da1cad16f93c54d899b7+41 8b22da26f9f433dea0a10e5ec66d73ba+43 0:43:md5sum.txt 43:41:md6sum.txt 84:43:md7sum.txt 6:37:md8sum.txt 84:43:md8sum.txt 83:1:md9sum.txt 0:43:md9sum.txt 84:36:md9sum.txt\n")
+
+ self.assertEqual(arvados.CollectionReader(m1).all_streams()[0].files()['md5sum.txt'].as_manifest(),
+ ". 5348b82a029fd9e971a811ce1f71360b+43 0:43:md5sum.txt\n")
+ self.assertEqual(arvados.CollectionReader(m1).all_streams()[0].files()['md6sum.txt'].as_manifest(),
+ ". 085c37f02916da1cad16f93c54d899b7+41 0:41:md6sum.txt\n")
+ self.assertEqual(arvados.CollectionReader(m1).all_streams()[0].files()['md7sum.txt'].as_manifest(),
+ ". 8b22da26f9f433dea0a10e5ec66d73ba+43 0:43:md7sum.txt\n")
+ self.assertEqual(arvados.CollectionReader(m1).all_streams()[0].files()['md9sum.txt'].as_manifest(),
+ ". 085c37f02916da1cad16f93c54d899b7+41 5348b82a029fd9e971a811ce1f71360b+43 8b22da26f9f433dea0a10e5ec66d73ba+43 40:80:md9sum.txt\n")