basic launcher tests

doesn't do much at the moment,
but at least makes basic exercise of constructing objects

IPython/parallel/tests/test_launcher.py

@@ -0,0 +1,179
+"""Tests for launchers
+
+Doesn't actually start any subprocesses, but goes through the motions of constructing
+objects, which should test basic config.
+
+Authors:
+
+* Min RK
+"""
+
+#-------------------------------------------------------------------------------
+#  Copyright (C) 2013 The IPython Development Team
+#
+#  Distributed under the terms of the BSD License.  The full license is in
+#  the file COPYING, distributed as part of this software.
+#-------------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------------
+# Imports
+#-------------------------------------------------------------------------------
+
+import logging
+import os
+import shutil
+import sys
+import tempfile
+
+from unittest import TestCase
+
+from nose import SkipTest
+
+from IPython.config import Config
+
+from IPython.parallel.apps import launcher
+
+from IPython.testing import decorators as dec
+
+
+#-------------------------------------------------------------------------------
+# TestCase Mixins
+#-------------------------------------------------------------------------------
+
+class LauncherTest:
+    """Mixin for generic launcher tests"""
+    def setUp(self):
+        self.profile_dir = tempfile.mkdtemp(prefix="profile_")
+    
+    def tearDown(self):
+        shutil.rmtree(self.profile_dir)
+    
+    @property
+    def config(self):
+        return Config()
+    
+    def build_launcher(self, **kwargs):
+        kw = dict(
+            work_dir=self.profile_dir,
+            profile_dir=self.profile_dir,
+            config=self.config,
+            cluster_id='',
+            log=logging.getLogger(),
+        )
+        kw.update(kwargs)
+        return self.launcher_class(**kw)
+
+    def test_profile_dir_arg(self):
+        launcher = self.build_launcher()
+        self.assertTrue("--profile-dir" in launcher.cluster_args)
+        self.assertTrue(self.profile_dir in launcher.cluster_args)
+
+    def test_cluster_id_arg(self):
+        launcher = self.build_launcher()
+        self.assertTrue("--cluster-id" in launcher.cluster_args)
+        idx = launcher.cluster_args.index("--cluster-id")
+        self.assertEqual(launcher.cluster_args[idx+1], '')
+        launcher.cluster_id = 'foo'
+        self.assertEqual(launcher.cluster_args[idx+1], 'foo')
+    
+    def test_args(self):
+        launcher = self.build_launcher()
+        for arg in launcher.args:
+            self.assertTrue(isinstance(arg, basestring), str(arg))
+
+class BatchTest:
+    """Tests for batch-system launchers (LSF, SGE, PBS)"""
+    def test_batch_template(self):
+        launcher = self.build_launcher()
+        batch_file = os.path.join(self.profile_dir, launcher.batch_file_name)
+        self.assertEqual(launcher.batch_file, batch_file)
+        launcher.write_batch_script(1)
+        self.assertTrue(os.path.isfile(batch_file))
+
+class SSHTest:
+    """Tests for SSH launchers"""
+    def test_cluster_id_arg(self):
+        raise SkipTest("SSH Launchers don't support cluster ID")
+    
+    def test_remote_profile_dir(self):
+        cfg = Config()
+        launcher_cfg = getattr(cfg, self.launcher_class.__name__)
+        launcher_cfg.remote_profile_dir = "foo"
+        launcher = self.build_launcher(config=cfg)
+        self.assertEqual(launcher.remote_profile_dir, "foo")
+
+    def test_remote_profile_dir_default(self):
+        launcher = self.build_launcher()
+        self.assertEqual(launcher.remote_profile_dir, self.profile_dir)
+
+#-------------------------------------------------------------------------------
+# Controller Launcher Tests
+#-------------------------------------------------------------------------------
+
+class ControllerLauncherTest(LauncherTest):
+    """Tests for Controller Launchers"""
+    pass
+
+class TestLocalControllerLauncher(ControllerLauncherTest, TestCase):
+    launcher_class = launcher.LocalControllerLauncher
+
+class TestMPIControllerLauncher(ControllerLauncherTest, TestCase):
+    launcher_class = launcher.MPIControllerLauncher
+
+class TestPBSControllerLauncher(BatchTest, ControllerLauncherTest, TestCase):
+    launcher_class = launcher.PBSControllerLauncher
+
+class TestSGEControllerLauncher(BatchTest, ControllerLauncherTest, TestCase):
+    launcher_class = launcher.SGEControllerLauncher
+
+class TestLSFControllerLauncher(BatchTest, ControllerLauncherTest, TestCase):
+    launcher_class = launcher.LSFControllerLauncher
+
+class TestSSHControllerLauncher(SSHTest, ControllerLauncherTest, TestCase):
+    launcher_class = launcher.SSHControllerLauncher
+
+#-------------------------------------------------------------------------------
+# Engine Set Launcher Tests
+#-------------------------------------------------------------------------------
+
+class EngineSetLauncherTest(LauncherTest):
+    """Tests for EngineSet launchers"""
+    pass
+
+class TestLocalEngineSetLauncher(EngineSetLauncherTest, TestCase):
+    launcher_class = launcher.LocalEngineSetLauncher
+
+class TestMPIEngineSetLauncher(EngineSetLauncherTest, TestCase):
+    launcher_class = launcher.MPIEngineSetLauncher
+
+class TestPBSEngineSetLauncher(BatchTest, EngineSetLauncherTest, TestCase):
+    launcher_class = launcher.PBSEngineSetLauncher
+
+class TestSGEEngineSetLauncher(BatchTest, EngineSetLauncherTest, TestCase):
+    launcher_class = launcher.SGEEngineSetLauncher
+
+class TestLSFEngineSetLauncher(BatchTest, EngineSetLauncherTest, TestCase):
+    launcher_class = launcher.LSFEngineSetLauncher
+
+class TestSSHEngineSetLauncher(EngineSetLauncherTest, TestCase):
+    launcher_class = launcher.SSHEngineSetLauncher
+    
+    def test_cluster_id_arg(self):
+        raise SkipTest("SSH Launchers don't support cluster ID")
+
+class TestSSHProxyEngineSetLauncher(SSHTest, LauncherTest, TestCase):
+    launcher_class = launcher.SSHProxyEngineSetLauncher
+
+class TestSSHEngineLauncher(SSHTest, LauncherTest, TestCase):
+    launcher_class = launcher.SSHEngineLauncher
+
+#-------------------------------------------------------------------------------
+# Windows Launcher Tests
+#-------------------------------------------------------------------------------
+
+if sys.platform.startswith("win"):
+    class TestWinHPCControllerLauncher(ControllerLauncherTest, TestCase):
+        launcher_class = launcher.WindowsHPCControllerLauncher
+
+    class TestWinHPCEngineSetLauncher(EngineSetLauncherTest, TestCase):
+        launcher_class = launcher.WindowsHPCEngineSetLauncher