Merge branch 'master' into 2257-inequality-conditions
[arvados.git] / sdk / python / test_collections.py
index c5b552ee625ba9383eb7f59507fa62de450a6f48..7df620d977d54954fbd9b0b7d943549934b467cd 100644 (file)
@@ -34,36 +34,32 @@ class LocalCollectionWriterTest(unittest.TestCase):
         cw.set_current_file_name('baz.txt')
         hash = cw.finish()
         self.assertEqual(hash,
-                         '23ca013983d6239e98931cc779e68426+114',
-                         'resulting manifest hash is not what I expected')
+                         'd6c3b8e571f1b81ebb150a45ed06c884+114',
+                         "resulting manifest hash was {0}, expecting d6c3b8e571f1b81ebb150a45ed06c884+114".format(hash))
 
 class LocalCollectionReaderTest(unittest.TestCase):
     def setUp(self):
         os.environ['KEEP_LOCAL_STORE'] = '/tmp'
         LocalCollectionWriterTest().runTest()
     def runTest(self):
-        cr = arvados.CollectionReader('23ca013983d6239e98931cc779e68426+114')
+        cr = arvados.CollectionReader('d6c3b8e571f1b81ebb150a45ed06c884+114+Xzizzle')
         got = []
         for s in cr.all_streams():
             for f in s.all_files():
                 got += [[f.size(), f.stream_name(), f.name(), f.read(2**26)]]
-        expected = [[3, '.', 'foo.txt', 'foo'],
-                    [3, '.', 'bar.txt', 'bar'],
+        expected = [[3, '.', 'bar.txt', 'bar'],
+                    [3, '.', 'foo.txt', 'foo'],
                     [3, './baz', 'baz.txt', 'baz']]
         self.assertEqual(got,
-                         expected,
-                         'resulting file list is not what I expected')
+                         expected)
         stream0 = cr.all_streams()[0]
-        self.assertEqual(stream0.read(0),
+        self.assertEqual(stream0.readfrom(0, 0),
                          '',
                          'reading zero bytes should have returned empty string')
-        self.assertEqual(stream0.read(2**26),
+        self.assertEqual(stream0.readfrom(0, 2**26),
                          'foobar',
                          'reading entire stream failed')
-        self.assertEqual(stream0.read(2**26),
-                         None,
-                         'reading past end of stream should have returned None')
-        self.assertEqual(stream0.read(0),
+        self.assertEqual(stream0.readfrom(2**26, 0),
                          '',
                          'reading zero bytes should have returned empty string')
 
@@ -72,15 +68,15 @@ class LocalCollectionManifestSubsetTest(unittest.TestCase):
         os.environ['KEEP_LOCAL_STORE'] = '/tmp'
         LocalCollectionWriterTest().runTest()
     def runTest(self):
-        self._runTest('23ca013983d6239e98931cc779e68426+114',
-                      [[3, '.', 'foo.txt', 'foo'],
-                       [3, '.', 'bar.txt', 'bar'],
+        self._runTest('d6c3b8e571f1b81ebb150a45ed06c884+114',
+                      [[3, '.',     'bar.txt', 'bar'],
+                       [3, '.',     'foo.txt', 'foo'],
                        [3, './baz', 'baz.txt', 'baz']])
         self._runTest((". %s %s 0:3:foo.txt 3:3:bar.txt\n" %
                        (arvados.Keep.put("foo"),
                         arvados.Keep.put("bar"))),
-                      [[3, '.', 'foo.txt', 'foo'],
-                       [3, '.', 'bar.txt', 'bar']])
+                      [[3, '.', 'bar.txt', 'bar'],
+                       [3, '.', 'foo.txt', 'foo']])
         self._runTest((". %s %s 0:2:fo.txt 2:4:obar.txt\n" %
                        (arvados.Keep.put("foo"),
                         arvados.Keep.put("bar"))),
@@ -89,25 +85,21 @@ class LocalCollectionManifestSubsetTest(unittest.TestCase):
         self._runTest((". %s %s 0:2:fo.txt 2:0:zero.txt 2:2:ob.txt 4:2:ar.txt\n" %
                        (arvados.Keep.put("foo"),
                         arvados.Keep.put("bar"))),
-                      [[2, '.', 'fo.txt', 'fo'],
-                       [0, '.', 'zero.txt', ''],
+                      [[2, '.', 'ar.txt', 'ar'],
+                       [2, '.', 'fo.txt', 'fo'],                       
                        [2, '.', 'ob.txt', 'ob'],
-                       [2, '.', 'ar.txt', 'ar']])
+                       [0, '.', 'zero.txt', '']])
+
     def _runTest(self, collection, expected):
         cr = arvados.CollectionReader(collection)
-        manifest_subsets = []
         for s in cr.all_streams():
-            for f in s.all_files():
-                manifest_subsets += [f.as_manifest()]
-        expect_i = 0
-        for m in manifest_subsets:
-            cr = arvados.CollectionReader(m)
-            for f in cr.all_files():
-                got = [f.size(), f.stream_name(), f.name(), "".join(f.readall(2**26))]
-                self.assertEqual(got,
-                                 expected[expect_i],
-                                 'all_files|as_manifest did not preserve manifest contents: got %s expected %s' % (got, expected[expect_i]))
-                expect_i += 1
+            for ex in expected:
+                if ex[0] == s:
+                    f = s.files()[ex[2]]
+                    got = [f.size(), f.stream_name(), f.name(), "".join(f.readall(2**26))]
+                    self.assertEqual(got,
+                                     ex,
+                                     'all_files|as_manifest did not preserve manifest contents: got %s expected %s' % (got, ex))
 
 class LocalCollectionReadlineTest(unittest.TestCase):
     def setUp(self):
@@ -137,6 +129,8 @@ class LocalCollectionEmptyFileTest(unittest.TestCase):
         cw = arvados.CollectionWriter()
         cw.start_new_file('zero.txt')
         cw.write('')
+
+        self.assertEqual(cw.manifest_text(), ". 0:0:zero.txt\n")
         self.check_manifest_file_sizes(cw.manifest_text(), [0])
         cw = arvados.CollectionWriter()
         cw.start_new_file('zero.txt')
@@ -146,7 +140,8 @@ class LocalCollectionEmptyFileTest(unittest.TestCase):
         cw.start_new_stream('foo')
         cw.start_new_file('zero.txt')
         cw.write('')
-        self.check_manifest_file_sizes(cw.manifest_text(), [0,1,0])
+        self.check_manifest_file_sizes(cw.manifest_text(), [1,0,0])
+
     def check_manifest_file_sizes(self, manifest_text, expect_sizes):
         cr = arvados.CollectionReader(manifest_text)
         got_sizes = []
@@ -169,6 +164,7 @@ class LocalCollectionBZ2DecompressionTest(unittest.TestCase):
         bz2_manifest = cw.manifest_text()
 
         cr = arvados.CollectionReader(bz2_manifest)
+
         got = 0
         for x in list(cr.all_files())[0].readlines():
             self.assertEqual(x, "abc\n", "decompression returned wrong data: %s" % x)
@@ -207,32 +203,29 @@ class LocalCollectionGzipDecompressionTest(unittest.TestCase):
                          "decompression returned %d lines instead of %d" % (got, n_lines_in))
 
 class NormalizedCollectionTest(unittest.TestCase):
-    def setUp(self):
-        pass
-
     def runTest(self):
         m1 = """. 5348b82a029fd9e971a811ce1f71360b+43 0:43:md5sum.txt
 . 085c37f02916da1cad16f93c54d899b7+41 0:41:md5sum.txt
 . 8b22da26f9f433dea0a10e5ec66d73ba+43 0:43:md5sum.txt"""
-        self.assertEqual(arvados.collection.normalize(arvados.CollectionReader(m1)),
+        self.assertEqual(arvados.CollectionReader(m1).manifest_text(),
                          """. 5348b82a029fd9e971a811ce1f71360b+43 085c37f02916da1cad16f93c54d899b7+41 8b22da26f9f433dea0a10e5ec66d73ba+43 0:127:md5sum.txt
 """)
 
         m2 = """. 204e43b8a1185621ca55a94839582e6f+67108864 b9677abbac956bd3e86b1deb28dfac03+67108864 fc15aff2a762b13f521baf042140acec+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:227212247:var-GS000016015-ASM.tsv.bz2
 """
-        self.assertEqual(arvados.collection.normalize(arvados.CollectionReader(m2)), m2)
+        self.assertEqual(arvados.CollectionReader(m2).manifest_text(), m2)
 
         m3 = """. 5348b82a029fd9e971a811ce1f71360b+43 3:40:md5sum.txt
 . 085c37f02916da1cad16f93c54d899b7+41 0:41:md5sum.txt
 . 8b22da26f9f433dea0a10e5ec66d73ba+43 0:43:md5sum.txt"""
-        self.assertEqual(arvados.collection.normalize(arvados.CollectionReader(m3)),
+        self.assertEqual(arvados.CollectionReader(m3).manifest_text(),
                          """. 5348b82a029fd9e971a811ce1f71360b+43 085c37f02916da1cad16f93c54d899b7+41 8b22da26f9f433dea0a10e5ec66d73ba+43 3:124:md5sum.txt
 """)
 
         m4 = """. 204e43b8a1185621ca55a94839582e6f+67108864 0:3:foo/bar
 ./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
 ./foo 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar"""
-        self.assertEqual(arvados.collection.normalize(arvados.CollectionReader(m4)),
+        self.assertEqual(arvados.CollectionReader(m4).manifest_text(),
                          """./foo 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar 67108864:3:bar
 ./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
 """)
@@ -240,19 +233,241 @@ class NormalizedCollectionTest(unittest.TestCase):
         m5 = """. 204e43b8a1185621ca55a94839582e6f+67108864 0:3:foo/bar
 ./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
 ./foo 204e43b8a1185621ca55a94839582e6f+67108864 3:3:bar"""
-        self.assertEqual(arvados.collection.normalize(arvados.CollectionReader(m5)),
+        self.assertEqual(arvados.CollectionReader(m5).manifest_text(),
                          """./foo 204e43b8a1185621ca55a94839582e6f+67108864 0:6:bar
 ./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
 """)
 
         with open('testdata/1000G_ref_manifest') as f6:
             m6 = f6.read()
-            self.assertEqual(arvados.collection.normalize(arvados.CollectionReader(m6)), m6)
+            self.assertEqual(arvados.CollectionReader(m6).manifest_text(), m6)
 
         with open('testdata/jlake_manifest') as f7:
             m7 = f7.read()
-            self.assertEqual(arvados.collection.normalize(arvados.CollectionReader(m7)), m7)
+            self.assertEqual(arvados.CollectionReader(m7).manifest_text(), m7)
 
         m8 = """./a\\040b\\040c 59ca0efa9f5633cb0371bbc0355478d8+13 0:13:hello\\040world.txt
 """
-        self.assertEqual(arvados.collection.normalize(arvados.CollectionReader(m8)), m8)
+        self.assertEqual(arvados.CollectionReader(m8).manifest_text(), m8)
+
+class LocatorsAndRangesTest(unittest.TestCase):
+    def runTest(self):
+        blocks2 = [['a', 10, 0],
+                  ['b', 10, 10],
+                  ['c', 10, 20],
+                  ['d', 10, 30],
+                  ['e', 10, 40],
+                  ['f', 10, 50]]
+
+        self.assertEqual(arvados.locators_and_ranges(blocks2,  2,  2), [['a', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 12, 2), [['b', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 22, 2), [['c', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 32, 2), [['d', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 42, 2), [['e', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 52, 2), [['f', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 62, 2), [])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, -2, 2), [])
+
+        self.assertEqual(arvados.locators_and_ranges(blocks2,  0,  2), [['a', 10, 0, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 10, 2), [['b', 10, 0, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 20, 2), [['c', 10, 0, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 30, 2), [['d', 10, 0, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 40, 2), [['e', 10, 0, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 50, 2), [['f', 10, 0, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 60, 2), [])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, -2, 2), [])
+
+        self.assertEqual(arvados.locators_and_ranges(blocks2,  9,  2), [['a', 10, 9, 1], ['b', 10, 0, 1]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 19, 2), [['b', 10, 9, 1], ['c', 10, 0, 1]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 29, 2), [['c', 10, 9, 1], ['d', 10, 0, 1]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 39, 2), [['d', 10, 9, 1], ['e', 10, 0, 1]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 49, 2), [['e', 10, 9, 1], ['f', 10, 0, 1]])
+        self.assertEqual(arvados.locators_and_ranges(blocks2, 59, 2), [['f', 10, 9, 1]])
+
+        
+        blocks3 = [['a', 10, 0],
+                  ['b', 10, 10],
+                  ['c', 10, 20],
+                  ['d', 10, 30],
+                  ['e', 10, 40],
+                  ['f', 10, 50],
+                  ['g', 10, 60]]
+
+        self.assertEqual(arvados.locators_and_ranges(blocks3,  2,  2), [['a', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks3, 12, 2), [['b', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks3, 22, 2), [['c', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks3, 32, 2), [['d', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks3, 42, 2), [['e', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks3, 52, 2), [['f', 10, 2, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks3, 62, 2), [['g', 10, 2, 2]])
+
+
+        blocks = [['a', 10, 0],
+                  ['b', 15, 10],
+                  ['c', 5, 25]]
+        self.assertEqual(arvados.locators_and_ranges(blocks, 1, 0), [])
+        self.assertEqual(arvados.locators_and_ranges(blocks, 0, 5), [['a', 10, 0, 5]])
+        self.assertEqual(arvados.locators_and_ranges(blocks, 3, 5), [['a', 10, 3, 5]])
+        self.assertEqual(arvados.locators_and_ranges(blocks, 0, 10), [['a', 10, 0, 10]])
+        
+        self.assertEqual(arvados.locators_and_ranges(blocks, 0, 11), [['a', 10, 0, 10],
+                                                                      ['b', 15, 0, 1]])
+        self.assertEqual(arvados.locators_and_ranges(blocks, 1, 11), [['a', 10, 1, 9],
+                                                                      ['b', 15, 0, 2]])
+        self.assertEqual(arvados.locators_and_ranges(blocks, 0, 25), [['a', 10, 0, 10],
+                                                                      ['b', 15, 0, 15]])
+        
+        self.assertEqual(arvados.locators_and_ranges(blocks, 0, 30), [['a', 10, 0, 10],
+                                                                      ['b', 15, 0, 15],
+                                                                      ['c', 5, 0, 5]])
+        self.assertEqual(arvados.locators_and_ranges(blocks, 1, 30), [['a', 10, 1, 9],
+                                                                      ['b', 15, 0, 15],
+                                                                      ['c', 5, 0, 5]])
+        self.assertEqual(arvados.locators_and_ranges(blocks, 0, 31), [['a', 10, 0, 10],
+                                                                      ['b', 15, 0, 15],
+                                                                      ['c', 5, 0, 5]])
+        
+        self.assertEqual(arvados.locators_and_ranges(blocks, 15, 5), [['b', 15, 5, 5]])
+        
+        self.assertEqual(arvados.locators_and_ranges(blocks, 8, 17), [['a', 10, 8, 2],
+                                                                      ['b', 15, 0, 15]])
+
+        self.assertEqual(arvados.locators_and_ranges(blocks, 8, 20), [['a', 10, 8, 2],
+                                                                      ['b', 15, 0, 15],
+                                                                      ['c', 5, 0, 3]])
+        
+        self.assertEqual(arvados.locators_and_ranges(blocks, 26, 2), [['c', 5, 1, 2]])
+        
+        self.assertEqual(arvados.locators_and_ranges(blocks, 9, 15), [['a', 10, 9, 1],
+                                                                      ['b', 15, 0, 14]])        
+        self.assertEqual(arvados.locators_and_ranges(blocks, 10, 15), [['b', 15, 0, 15]])
+        self.assertEqual(arvados.locators_and_ranges(blocks, 11, 15), [['b', 15, 1, 14],
+                                                                       ['c', 5, 0, 1]])
+
+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")