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Python mr_cmd_job.CmdJob类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Python中tests.mr_cmd_job.CmdJob类的典型用法代码示例。如果您正苦于以下问题：Python CmdJob类的具体用法？Python CmdJob怎么用？Python CmdJob使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了CmdJob类的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: test_multiple_2

 def test_multiple_2(self):
     data = b"x\ny\nz\n"
     job = CmdJob(["--mapper-cmd=cat", "--reducer-cmd-2", "wc -l", "--runner=local", "--no-conf"])
     job.sandbox(stdin=BytesIO(data))
     with job.make_runner() as r:
         r.run()
         self.assertEqual(sum(int(l) for l in r.stream_output()), 3)
开发者ID:alanhdu，项目名称:mrjob，代码行数:7，代码来源:test_local.py


示例2: test_multiple_2

 def test_multiple_2(self):
     data = 'x\ny\nz\n'
     job = CmdJob(['--mapper-cmd=cat', '--reducer-cmd-2', 'wc -l',
                   '--runner=local', '--no-conf'])
     job.sandbox(stdin=StringIO(data))
     with job.make_runner() as r:
         r.run()
         self.assertEqual(sum(int(l) for l in r.stream_output()), 3)
开发者ID:eklitzke，项目名称:mrjob，代码行数:8，代码来源:test_local.py


示例3: test_cat_mapper

    def test_cat_mapper(self):
        data = b"x\ny\nz\n"
        job = CmdJob(["--mapper-cmd=cat", "--runner=local"])
        job.sandbox(stdin=BytesIO(data))
        with job.make_runner() as r:
            self.assertEqual(r._get_steps(), [{"type": "streaming", "mapper": {"type": "command", "command": "cat"}}])

            r.run()
            lines = [line.strip() for line in list(r.stream_output())]
            self.assertEqual(sorted(lines), sorted(data.split()))
开发者ID:alanhdu，项目名称:mrjob，代码行数:10，代码来源:test_local.py


示例4: test_cat_mapper

    def test_cat_mapper(self):
        data = 'x\ny\nz\n'
        job = CmdJob(['--mapper-cmd=cat', '--runner=local'])
        job.sandbox(stdin=StringIO(data))
        with job.make_runner() as r:
            self.assertEqual(
                r._get_steps(),
                [{
                    'type': 'streaming',
                    'mapper': {
                        'type': 'command',
                        'command': 'cat'}}])

            r.run()

            self.assertEqual(''.join(r.stream_output()), data)
开发者ID:eklitzke，项目名称:mrjob，代码行数:16，代码来源:test_local.py


示例5: test_cat_mapper

    def test_cat_mapper(self):
        data = 'x\ny\nz\n'
        job = CmdJob(['--mapper-cmd=cat', '--runner=local'])
        job.sandbox(stdin=StringIO(data))
        with job.make_runner() as r:
            self.assertEqual(
                r._get_steps(),
                [{
                    'type': 'streaming',
                    'mapper': {
                        'type': 'command',
                        'command': 'cat'}}])

            r.run()
            lines = [line.strip() for line in list(r.stream_output())]
            self.assertItemsEqual(lines, data.split())
开发者ID:SeanOC，项目名称:mrjob，代码行数:16，代码来源:test_local.py


示例6: test_cat_reducer

    def test_cat_reducer(self):
        data = 'x\ny\nz\n'
        job = CmdJob(['--reducer-cmd', 'cat -e', '--runner=local'])
        job.sandbox(stdin=StringIO(data))
        with job.make_runner() as r:
            self.assertEqual(
                r._get_steps(),
                [{
                    'type': 'streaming',
                    'mapper': {
                        'type': 'script',
                    },
                    'reducer': {
                        'type': 'command',
                        'command': 'cat -e'}}])

            r.run()

            lines = list(r.stream_output())
            self.assertEqual(lines, ['x$\n', 'y$\n', 'z$\n'])
开发者ID:eklitzke，项目名称:mrjob，代码行数:20，代码来源:test_local.py


示例7: test_cat_reducer

    def test_cat_reducer(self):
        data = b"x\ny\nz\n"
        job = CmdJob(["--reducer-cmd", "cat -e", "--runner=local"])
        job.sandbox(stdin=BytesIO(data))
        with job.make_runner() as r:
            self.assertEqual(
                r._get_steps(),
                [
                    {
                        "type": "streaming",
                        "mapper": {"type": "script"},
                        "reducer": {"type": "command", "command": "cat -e"},
                    }
                ],
            )

            r.run()

            lines = list(r.stream_output())
            self.assertEqual(sorted(lines), [b"x$\n", b"y$\n", b"z$\n"])
开发者ID:alanhdu，项目名称:mrjob，代码行数:20，代码来源:test_local.py


示例8: test_uniq_combiner

    def test_uniq_combiner(self):
        data = 'x\nx\nx\nx\nx\nx\n'
        job = CmdJob(['--combiner-cmd=uniq', '--runner=local'])
        job.sandbox(stdin=StringIO(data))
        with job.make_runner() as r:
            self.assertEqual(
                r._get_steps(),
                [{
                    'type': 'streaming',
                    'mapper': {
                        'type': 'script',
                    },
                    'combiner': {
                        'type': 'command',
                        'command': 'uniq'}}])

            r.run()

            # there are 2 map tasks, each of which has 1 combiner, and all rows
            # are the same, so we should end up with just 2 values

            self.assertEqual(''.join(r.stream_output()), 'x\nx\n')
开发者ID:eklitzke，项目名称:mrjob，代码行数:22，代码来源:test_local.py


示例9: test_uniq_combiner

    def test_uniq_combiner(self):
        data = b"x\nx\nx\nx\nx\nx\n"
        job = CmdJob(["--combiner-cmd=uniq", "--runner=local"])
        job.sandbox(stdin=BytesIO(data))
        with job.make_runner() as r:
            self.assertEqual(
                r._get_steps(),
                [
                    {
                        "type": "streaming",
                        "mapper": {"type": "script"},
                        "combiner": {"type": "command", "command": "uniq"},
                    }
                ],
            )

            r.run()

            # there are 2 map tasks, each of which has 1 combiner, and all rows
            # are the same, so we should end up with just 2 values

            self.assertEqual(b"".join(r.stream_output()), b"x\nx\n")
开发者ID:alanhdu，项目名称:mrjob，代码行数:22，代码来源:test_local.py


示例10: test_multiple

    def test_multiple(self):
        data = 'x\nx\nx\nx\nx\nx\n'
        mapper_cmd = 'cat -e'
        reducer_cmd = bash_wrap('wc -l | tr -Cd "[:digit:]"')
        job = CmdJob([
            '--runner', 'local',
            '--mapper-cmd', mapper_cmd,
            '--combiner-cmd', 'uniq',
            '--reducer-cmd', reducer_cmd])
        job.sandbox(stdin=StringIO(data))
        with job.make_runner() as r:
            self.assertEqual(
                r._get_steps(),
                [{
                    'type': 'streaming',
                    'mapper': {'type': 'command', 'command': mapper_cmd},
                    'combiner': {'type': 'command', 'command': 'uniq'},
                    'reducer': {'type': 'command', 'command': reducer_cmd},
                }])

            r.run()

            self.assertEqual(list(r.stream_output()), ['2'])
开发者ID:eklitzke，项目名称:mrjob，代码行数:23，代码来源:test_local.py


示例11: test_multiple

    def test_multiple(self):
        data = b"x\nx\nx\nx\nx\nx\n"
        mapper_cmd = "cat -e"
        reducer_cmd = bash_wrap('wc -l | tr -Cd "[:digit:]"')
        job = CmdJob(
            ["--runner", "local", "--mapper-cmd", mapper_cmd, "--combiner-cmd", "uniq", "--reducer-cmd", reducer_cmd]
        )
        job.sandbox(stdin=BytesIO(data))
        with job.make_runner() as r:
            self.assertEqual(
                r._get_steps(),
                [
                    {
                        "type": "streaming",
                        "mapper": {"type": "command", "command": mapper_cmd},
                        "combiner": {"type": "command", "command": "uniq"},
                        "reducer": {"type": "command", "command": reducer_cmd},
                    }
                ],
            )

            r.run()

            self.assertEqual(list(r.stream_output()), [b"2"])
开发者ID:alanhdu，项目名称:mrjob，代码行数:24，代码来源:test_local.py



注：本文中的tests.mr_cmd_job.CmdJob类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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