Added Process.getWorkingDirectory() and setWorkingDirectory() and posix implementation.

src/test/groovy/net/rubygrapefruit/platform/ProcessTest.groovy

@@ -1,36 +1,58 @@
-/*
- * Copyright 2012 Adam Murdoch
- *
- *    Licensed under the Apache License, Version 2.0 (the "License");
- *    you may not use this file except in compliance with 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 net.rubygrapefruit.platform
-
-import org.junit.Rule
-import org.junit.rules.TemporaryFolder
-import spock.lang.Specification
-
-class ProcessTest extends Specification {
-    @Rule TemporaryFolder tmpDir
-    final Process process = Native.get(Process.class)
-
-    def "caches process instance"() {
-        expect:
-        Native.get(Process.class) == process
-    }
-
-    def "can get PID"() {
-        expect:
-        process.getProcessId() != 0
-    }
-}
+/*
+ * Copyright 2012 Adam Murdoch
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with 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 net.rubygrapefruit.platform
+
+import org.junit.Rule
+import org.junit.rules.TemporaryFolder
+import spock.lang.Specification
+
+class ProcessTest extends Specification {
+    @Rule TemporaryFolder tmpDir
+    final Process process = Native.get(Process.class)
+
+    def "caches process instance"() {
+        expect:
+        Native.get(Process.class) == process
+    }
+
+    def "can get PID"() {
+        expect:
+        process.getProcessId() != 0
+    }
+
+    def "can change working directory"() {
+        def newDir = tmpDir.newFolder("dir").canonicalFile
+
+        when:
+        def original = process.workingDirectory
+
+        then:
+        original == new File(".").canonicalFile
+        original == new File(System.getProperty("user.dir"))
+
+        when:
+        process.workingDirectory = newDir
+
+        then:
+        process.workingDirectory == newDir
+        new File(".").canonicalFile == newDir
+        new File(System.getProperty("user.dir")) == newDir
+
+        cleanup:
+        process.workingDirectory = original
+    }
+}