1 files changed, 124 insertions, 0 deletions
diff --git a/src/silx/gui/widgets/test/test_threadpoolpushbutton.py b/src/silx/gui/widgets/test/test_threadpoolpushbutton.py
new file mode 100644
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+++ b/src/silx/gui/widgets/test/test_threadpoolpushbutton.py
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+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2016-2021 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.
+#
+# ###########################################################################*/
+"""Test for silx.gui.hdf5 module"""
+
+__authors__ = ["V. Valls"]
+__license__ = "MIT"
+__date__ = "17/01/2018"
+
+
+import unittest
+import time
+from silx.gui import qt
+from silx.gui.utils.testutils import TestCaseQt
+from silx.gui.utils.testutils import SignalListener
+from silx.gui.widgets.ThreadPoolPushButton import ThreadPoolPushButton
+from silx.utils.testutils import LoggingValidator
+
+
+class TestThreadPoolPushButton(TestCaseQt):
+
+    def setUp(self):
+        super(TestThreadPoolPushButton, self).setUp()
+        self._result = []
+
+    def waitForPendingOperations(self, object):
+        for i in range(50):
+            if not object.hasPendingOperations():
+                break
+            self.qWait(10)
+        else:
+            raise RuntimeError("Still waiting for a pending operation")
+
+    def _trace(self, name, delay=0):
+        self._result.append(name)
+        if delay != 0:
+            time.sleep(delay / 1000.0)
+
+    def _compute(self):
+        return "result"
+
+    def _computeFail(self):
+        raise Exception("exception")
+
+    def testExecute(self):
+        button = ThreadPoolPushButton()
+        button.setCallable(self._trace, "a", 0)
+        button.executeCallable()
+        time.sleep(0.1)
+        self.assertListEqual(self._result, ["a"])
+        self.waitForPendingOperations(button)
+
+    def testMultiExecution(self):
+        button = ThreadPoolPushButton()
+        button.setCallable(self._trace, "a", 0)
+        number = qt.silxGlobalThreadPool().maxThreadCount()
+        for _ in range(number):
+            button.executeCallable()
+        self.waitForPendingOperations(button)
+        self.assertListEqual(self._result, ["a"] * number)
+
+    def testSaturateThreadPool(self):
+        button = ThreadPoolPushButton()
+        button.setCallable(self._trace, "a", 100)
+        number = qt.silxGlobalThreadPool().maxThreadCount() * 2
+        for _ in range(number):
+            button.executeCallable()
+        self.waitForPendingOperations(button)
+        self.assertListEqual(self._result, ["a"] * number)
+
+    def testSuccess(self):
+        listener = SignalListener()
+        button = ThreadPoolPushButton()
+        button.setCallable(self._compute)
+        button.beforeExecuting.connect(listener.partial(test="be"))
+        button.started.connect(listener.partial(test="s"))
+        button.succeeded.connect(listener.partial(test="result"))
+        button.failed.connect(listener.partial(test="Unexpected exception"))
+        button.finished.connect(listener.partial(test="f"))
+        button.executeCallable()
+        self.qapp.processEvents()
+        time.sleep(0.1)
+        self.qapp.processEvents()
+        result = listener.karguments(argumentName="test")
+        self.assertListEqual(result, ["be", "s", "result", "f"])
+
+    def testFail(self):
+        listener = SignalListener()
+        button = ThreadPoolPushButton()
+        button.setCallable(self._computeFail)
+        button.beforeExecuting.connect(listener.partial(test="be"))
+        button.started.connect(listener.partial(test="s"))
+        button.succeeded.connect(listener.partial(test="Unexpected success"))
+        button.failed.connect(listener.partial(test="exception"))
+        button.finished.connect(listener.partial(test="f"))
+        with LoggingValidator('silx.gui.widgets.ThreadPoolPushButton', error=1):
+            button.executeCallable()
+            self.qapp.processEvents()
+            time.sleep(0.1)
+            self.qapp.processEvents()
+        result = listener.karguments(argumentName="test")
+        self.assertListEqual(result, ["be", "s", "exception", "f"])
+        listener.clear()