18870: Need to declare NODES as array
[arvados.git] / sdk / python / tests / test_arvfile.py
index a8009130551fe3b0ecf0d74aa3ebfe834eb59ad6..b45a592ecd0fbd1b1d4722bd63f6e1e0b25514dd 100644 (file)
@@ -1,12 +1,13 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 from __future__ import absolute_import
 from builtins import hex
 from builtins import str
 from builtins import range
 from builtins import object
-import bz2
 import datetime
-import gzip
-import io
 import mock
 import os
 import unittest
@@ -15,7 +16,7 @@ import time
 import arvados
 from arvados._ranges import Range
 from arvados.keep import KeepLocator
-from arvados.collection import Collection, CollectionReader
+from arvados.collection import Collection
 from arvados.arvfile import ArvadosFile, ArvadosFileReader
 
 from . import arvados_testutil as tutil
@@ -26,13 +27,13 @@ class ArvadosFileWriterTestCase(unittest.TestCase):
         def __init__(self, blocks):
             self.blocks = blocks
             self.requests = []
-        def get(self, locator, num_retries=0):
+        def get(self, locator, num_retries=0, prefetch=False):
             self.requests.append(locator)
             return self.blocks.get(locator)
         def get_from_cache(self, locator):
             self.requests.append(locator)
             return self.blocks.get(locator)
-        def put(self, data, num_retries=None, copies=None):
+        def put(self, data, num_retries=None, copies=None, classes=[]):
             pdh = tutil.str_keep_locator(data)
             self.blocks[pdh] = bytes(data)
             return pdh
@@ -169,8 +170,6 @@ class ArvadosFileWriterTestCase(unittest.TestCase):
             self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
             self.assertFalse(c.modified())
 
-
-
     def test_write_to_end(self):
         keep = ArvadosFileWriterTestCase.MockKeep({
             "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
@@ -213,26 +212,41 @@ class ArvadosFileWriterTestCase(unittest.TestCase):
         keep = ArvadosFileWriterTestCase.MockKeep({
             "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
         })
-        c = Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n', keep_client=keep)
-        writer = c.open("count.txt", "ab+")
-        self.assertEqual(writer.read(20), b"0123456789")
-
-        writer.seek(0, os.SEEK_SET)
-        writer.write("hello")
-        self.assertEqual(writer.read(), b"")
-        writer.seek(-5, os.SEEK_CUR)
-        self.assertEqual(writer.read(3), b"hel")
-        self.assertEqual(writer.read(), b"lo")
-        writer.seek(0, os.SEEK_SET)
-        self.assertEqual(writer.read(), b"0123456789hello")
-
-        writer.seek(0)
-        writer.write("world")
-        self.assertEqual(writer.read(), b"")
-        writer.seek(0)
-        self.assertEqual(writer.read(), b"0123456789helloworld")
-
-        self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 fc5e038d38a57032085441e7fe7010b0+10 0:20:count.txt\n", c.portable_manifest_text())
+        for (mode, convert) in (
+                ('a+', lambda data: data.decode(encoding='utf-8')),
+                ('at+', lambda data: data.decode(encoding='utf-8')),
+                ('ab+', lambda data: data)):
+            c = Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n', keep_client=keep)
+            writer = c.open("count.txt", mode)
+            self.assertEqual(writer.read(20), convert(b"0123456789"))
+
+            writer.seek(0, os.SEEK_SET)
+            writer.write(convert(b"hello"))
+            self.assertEqual(writer.read(), convert(b""))
+            if 'b' in mode:
+                writer.seek(-5, os.SEEK_CUR)
+                self.assertEqual(writer.read(3), convert(b"hel"))
+                self.assertEqual(writer.read(), convert(b"lo"))
+            else:
+                with self.assertRaises(IOError):
+                    writer.seek(-5, os.SEEK_CUR)
+                with self.assertRaises(IOError):
+                    writer.seek(-3, os.SEEK_END)
+            writer.seek(0, os.SEEK_SET)
+            writer.read(7)
+            self.assertEqual(7, writer.tell())
+            self.assertEqual(7, writer.seek(7, os.SEEK_SET))
+
+            writer.seek(0, os.SEEK_SET)
+            self.assertEqual(writer.read(), convert(b"0123456789hello"))
+
+            writer.seek(0)
+            writer.write(convert(b"world"))
+            self.assertEqual(writer.read(), convert(b""))
+            writer.seek(0)
+            self.assertEqual(writer.read(), convert(b"0123456789helloworld"))
+
+            self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 fc5e038d38a57032085441e7fe7010b0+10 0:20:count.txt\n", c.portable_manifest_text())
 
     def test_write_at_beginning(self):
         keep = ArvadosFileWriterTestCase.MockKeep({
@@ -347,7 +361,6 @@ class ArvadosFileWriterTestCase(unittest.TestCase):
             self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
             self.assertFalse(c.modified())
 
-
     def test_large_write(self):
         keep = ArvadosFileWriterTestCase.MockKeep({})
         api = ArvadosFileWriterTestCase.MockApi({}, {})
@@ -381,7 +394,6 @@ class ArvadosFileWriterTestCase(unittest.TestCase):
 
             self.assertEqual(c.manifest_text(), ". 7f614da9329cd3aebf59b91aadc30bf0+67108864 781e5e245d69b566979b86e28d23f2c7+10 0:2:count.txt 67108864:10:count.txt\n")
 
-
     def test_sparse_write2(self):
         keep = ArvadosFileWriterTestCase.MockKeep({})
         api = ArvadosFileWriterTestCase.MockApi({}, {})
@@ -398,7 +410,6 @@ class ArvadosFileWriterTestCase(unittest.TestCase):
 
             self.assertEqual(c.manifest_text(), ". 7f614da9329cd3aebf59b91aadc30bf0+67108864 781e5e245d69b566979b86e28d23f2c7+10 0:67108864:count.txt 0:67108864:count.txt 0:2:count.txt 67108864:10:count.txt\n")
 
-
     def test_sparse_write3(self):
         keep = ArvadosFileWriterTestCase.MockKeep({})
         api = ArvadosFileWriterTestCase.MockApi({}, {})
@@ -429,7 +440,6 @@ class ArvadosFileWriterTestCase(unittest.TestCase):
                 writer.seek(0)
                 self.assertEqual(writer.read(), b"000000000011111111112222222222\x00\x00\x00\x00\x00\x00\x00\x00\x00\x004444444444")
 
-
     def test_rewrite_on_empty_file(self):
         keep = ArvadosFileWriterTestCase.MockKeep({})
         with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
@@ -617,6 +627,7 @@ class ArvadosFileReaderTestCase(StreamFileReaderTestCase):
             def __init__(self, blocks, nocache):
                 self.blocks = blocks
                 self.nocache = nocache
+                self.num_get_threads = 1
 
             def block_prefetch(self, loc):
                 pass
@@ -832,7 +843,7 @@ class BlockManagerTest(unittest.TestCase):
         mockkeep = mock.MagicMock()
         with arvados.arvfile._BlockManager(mockkeep) as blockmanager:
             bufferblock = blockmanager.alloc_bufferblock()
-            bufferblock.owner = mock.MagicMock()
+            bufferblock.owner = mock.MagicMock(spec=arvados.arvfile.ArvadosFile)
             def flush(sync=None):
                 blockmanager.commit_bufferblock(bufferblock, sync)
             bufferblock.owner.flush.side_effect = flush
@@ -846,7 +857,7 @@ class BlockManagerTest(unittest.TestCase):
     def test_bufferblock_commit_pending(self):
         # Test for bug #7225
         mockkeep = mock.MagicMock()
-        mockkeep.put.side_effect = lambda x: time.sleep(1)
+        mockkeep.put.side_effect = lambda *args, **kwargs: time.sleep(1)
         with arvados.arvfile._BlockManager(mockkeep) as blockmanager:
             bufferblock = blockmanager.alloc_bufferblock()
             bufferblock.append("foo")
@@ -857,13 +868,12 @@ class BlockManagerTest(unittest.TestCase):
             blockmanager.commit_bufferblock(bufferblock, True)
             self.assertEqual(bufferblock.state(), arvados.arvfile._BufferBlock.COMMITTED)
 
-
     def test_bufferblock_commit_with_error(self):
         mockkeep = mock.MagicMock()
         mockkeep.put.side_effect = arvados.errors.KeepWriteError("fail")
         with arvados.arvfile._BlockManager(mockkeep) as blockmanager:
             bufferblock = blockmanager.alloc_bufferblock()
-            bufferblock.owner = mock.MagicMock()
+            bufferblock.owner = mock.MagicMock(spec=arvados.arvfile.ArvadosFile)
             def flush(sync=None):
                 blockmanager.commit_bufferblock(bufferblock, sync)
             bufferblock.owner.flush.side_effect = flush