1 files changed, 188 insertions, 0 deletions
diff --git a/src/silx/utils/test/test_launcher.py b/src/silx/utils/test/test_launcher.py
new file mode 100644
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+++ b/src/silx/utils/test/test_launcher.py
@@ -0,0 +1,188 @@
+# /*##########################################################################
+#
+# Copyright (c) 2016 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+"""Tests for html module"""
+
+__authors__ = ["V. Valls"]
+__license__ = "MIT"
+__date__ = "17/01/2018"
+
+
+import sys
+import unittest
+from silx.utils.testutils import ParametricTestCase
+from .. import launcher
+
+
+class CallbackMock:
+    def __init__(self, result=None):
+        self._execute_count = 0
+        self._execute_argv = None
+        self._result = result
+
+    def execute(self, argv):
+        self._execute_count = self._execute_count + 1
+        self._execute_argv = argv
+        return self._result
+
+    def __call__(self, argv):
+        return self.execute(argv)
+
+
+class TestLauncherCommand(unittest.TestCase):
+    """Tests for launcher class."""
+
+    def testEnv(self):
+        command = launcher.LauncherCommand("foo")
+        old = sys.argv
+        params = ["foo", "bar"]
+        with command.get_env(params):
+            self.assertEqual(params, sys.argv)
+        self.assertEqual(sys.argv, old)
+
+    def testEnvWhileException(self):
+        command = launcher.LauncherCommand("foo")
+        old = sys.argv
+        params = ["foo", "bar"]
+        try:
+            with command.get_env(params):
+                raise RuntimeError()
+        except RuntimeError:
+            pass
+        self.assertEqual(sys.argv, old)
+
+    def testExecute(self):
+        params = ["foo", "bar"]
+        callback = CallbackMock(result=42)
+        command = launcher.LauncherCommand("foo", function=callback)
+        status = command.execute(params)
+        self.assertEqual(callback._execute_count, 1)
+        self.assertEqual(callback._execute_argv, params)
+        self.assertEqual(status, 42)
+
+
+class TestModuleCommand(ParametricTestCase):
+    def setUp(self):
+        module_name = "silx.utils.test.test_launcher_command"
+        command = launcher.LauncherCommand("foo", module_name=module_name)
+        self.command = command
+
+    def testHelp(self):
+        status = self.command.execute(["--help"])
+        self.assertEqual(status, 0)
+
+    def testException(self):
+        try:
+            self.command.execute(["exception"])
+            self.fail()
+        except RuntimeError:
+            pass
+
+    def testCall(self):
+        status = self.command.execute([])
+        self.assertEqual(status, 0)
+
+    def testError(self):
+        status = self.command.execute(["error"])
+        self.assertEqual(status, -1)
+
+
+class TestLauncher(ParametricTestCase):
+    """Tests for launcher class."""
+
+    def testCallCommand(self):
+        callback = CallbackMock(result=42)
+        runner = launcher.Launcher(prog="prog")
+        command = launcher.LauncherCommand("foo", function=callback)
+        runner.add_command(command=command)
+        status = runner.execute(["prog", "foo", "param1", "param2"])
+        self.assertEqual(status, 42)
+        self.assertEqual(callback._execute_argv, ["prog foo", "param1", "param2"])
+        self.assertEqual(callback._execute_count, 1)
+
+    def testAddCommand(self):
+        runner = launcher.Launcher(prog="prog")
+        module_name = "silx.utils.test.test_launcher_command"
+        runner.add_command("foo", module_name=module_name)
+        status = runner.execute(["prog", "foo"])
+        self.assertEqual(status, 0)
+
+    def testCallHelpOnCommand(self):
+        callback = CallbackMock(result=42)
+        runner = launcher.Launcher(prog="prog")
+        command = launcher.LauncherCommand("foo", function=callback)
+        runner.add_command(command=command)
+        status = runner.execute(["prog", "--help", "foo"])
+        self.assertEqual(status, 42)
+        self.assertEqual(callback._execute_argv, ["prog foo", "--help"])
+        self.assertEqual(callback._execute_count, 1)
+
+    def testCallHelpOnCommand2(self):
+        callback = CallbackMock(result=42)
+        runner = launcher.Launcher(prog="prog")
+        command = launcher.LauncherCommand("foo", function=callback)
+        runner.add_command(command=command)
+        status = runner.execute(["prog", "help", "foo"])
+        self.assertEqual(status, 42)
+        self.assertEqual(callback._execute_argv, ["prog foo", "--help"])
+        self.assertEqual(callback._execute_count, 1)
+
+    def testCallHelpOnUnknownCommand(self):
+        callback = CallbackMock(result=42)
+        runner = launcher.Launcher(prog="prog")
+        command = launcher.LauncherCommand("foo", function=callback)
+        runner.add_command(command=command)
+        status = runner.execute(["prog", "help", "foo2"])
+        self.assertEqual(status, -1)
+
+    def testNotAvailableCommand(self):
+        callback = CallbackMock(result=42)
+        runner = launcher.Launcher(prog="prog")
+        command = launcher.LauncherCommand("foo", function=callback)
+        runner.add_command(command=command)
+        status = runner.execute(["prog", "foo2", "param1", "param2"])
+        self.assertEqual(status, -1)
+        self.assertEqual(callback._execute_count, 0)
+
+    def testCallHelp(self):
+        callback = CallbackMock(result=42)
+        runner = launcher.Launcher(prog="prog")
+        command = launcher.LauncherCommand("foo", function=callback)
+        runner.add_command(command=command)
+        status = runner.execute(["prog", "help"])
+        self.assertEqual(status, 0)
+        self.assertEqual(callback._execute_count, 0)
+
+    def testCommonCommands(self):
+        runner = launcher.Launcher()
+        tests = [
+            ["prog"],
+            ["prog", "--help"],
+            ["prog", "--version"],
+            ["prog", "help", "--help"],
+            ["prog", "help", "help"],
+        ]
+        for arguments in tests:
+            with self.subTest(args=tests):
+                status = runner.execute(arguments)
+                self.assertEqual(status, 0)