test for Script

a unit test for the most frequently used methods in the Script class

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Signed-off-by: Prasanna Santhanam <tsp@apache.org>
(cherry picked from commit 76e283687f)

utils/test/com/cloud/utils/ScriptTest.java

@@ -0,0 +1,100 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// the License.  You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+package com.cloud.utils;
+
+import org.apache.commons.lang.SystemUtils;
+import org.apache.log4j.Logger;
+import org.junit.Assert;
+import org.junit.Assume;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import com.cloud.utils.script.OutputInterpreter;
+import com.cloud.utils.script.Script;
+
+public class ScriptTest {
+    @Test
+    public void testEcho() {
+        Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
+        Script script = new Script("/bin/echo");
+        script.add("bar");
+        OutputInterpreter.AllLinesParser resultParser = new OutputInterpreter.AllLinesParser();
+        String result = script.execute(resultParser);
+        // With allLinesParser, result is not comming from the return value
+        Assert.assertNull(result);
+        Assert.assertEquals("bar\n", resultParser.getLines());
+    }
+
+    @Test
+    public void testLogger() {
+        Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
+        Logger mock = Mockito.mock(Logger.class);
+        Mockito.doNothing().when(mock).debug(Mockito.any());
+        Script script = new Script("/bin/echo", mock);
+        script.execute();
+    }
+
+    @Test
+    public void testToString() {
+        Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
+        Script script = new Script("/bin/echo");
+        script.add("foo");
+        Assert.assertEquals("/bin/echo foo ", script.toString());
+    }
+
+    @Test
+    public void testSet() {
+        Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
+        Script script = new Script("/bin/echo");
+        script.add("foo");
+        script.add("bar", "baz");
+        script.set("blah", "blah");
+        Assert.assertEquals("/bin/echo foo bar baz blah blah ", script.toString());
+    }
+
+    @Test
+    @Ignore
+    public void testExecute() {
+        Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
+        Logger mock = Mockito.mock(Logger.class);
+        Mockito.doNothing().when(mock).debug(Mockito.any());
+        for (int i = 0; i < 100000; i++) {
+            Script script = new Script("/bin/false", mock);
+            script.execute();
+        }
+    }
+
+    @Test
+    public void testRunSimpleBashScript() {
+        Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
+        Assert.assertEquals("hello world!", Script.runSimpleBashScript("echo 'hello world!'"));
+    }
+
+    @Test
+    public void testRunSimpleBashScriptWithTimeout() {
+        Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
+        Assert.assertEquals("hello world!", Script.runSimpleBashScript("echo 'hello world!'", 1000));
+    }
+
+    @Test
+    public void testFindScript() {
+        Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
+        String script = Script.findScript("/usr/bin", "cat");
+        Assert.assertNotNull("/usr/bin/cat shoud be there on linux",script);
+    }
+}