1 files changed, 90 insertions, 0 deletions
diff --git a/args4j/args4j/test/org/kohsuke/args4j/AtOptionTest.java b/args4j/args4j/test/org/kohsuke/args4j/AtOptionTest.java
new file mode 100644
index 0000000..8b5d863
--- /dev/null
+++ b/args4j/args4j/test/org/kohsuke/args4j/AtOptionTest.java
@@ -0,0 +1,90 @@
+package org.kohsuke.args4j;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Arrays;
+
+/**
+ * Tests the AT sign that reads options from an external file.
+ * @author Stephan Fuhrmann
+ */
+public class AtOptionTest extends Args4JTestBase<AtOption> {
+    @Override
+    public AtOption getTestObject() {
+        return new AtOption();
+    }
+
+    public void testSimpleAt() throws IOException, CmdLineException {
+        
+        File tmp = File.createTempFile("atoption", null);
+        PrintWriter printWriter = new PrintWriter(tmp);
+        printWriter.println("-string\nfoo");
+        printWriter.close();
+        
+        args = new String[]{"@"+tmp.getAbsolutePath()};
+        parser.parseArgument(args);
+        
+        assertEquals("foo", testObject.str);
+        assertNull(testObject.noUsage);
+        assertNull(testObject.arguments);
+        
+        tmp.delete();
+    }
+    
+    public void testAtAfterOpts() throws IOException, CmdLineException {
+        
+        File tmp = File.createTempFile("atoption", null);
+        PrintWriter printWriter = new PrintWriter(tmp);
+        printWriter.println("-string\nfoo");
+        printWriter.close();
+        
+        args = new String[]{"-noUsage","lala", "@"+tmp.getAbsolutePath()};
+        parser.parseArgument(args);
+        
+        assertEquals("foo", testObject.str);
+        assertEquals("lala", testObject.noUsage);
+        assertNull(testObject.arguments);
+        
+        tmp.delete();
+    }
+    
+    public void testAtBeforeOpts() throws IOException, CmdLineException {
+        
+        File tmp = File.createTempFile("atoption", null);
+        PrintWriter printWriter = new PrintWriter(tmp);
+        printWriter.println("-string\nfoo");
+        printWriter.close();
+        
+        args = new String[]{"@"+tmp.getAbsolutePath(), "-noUsage","lala"};
+        parser.parseArgument(args);
+        
+        assertEquals("foo", testObject.str);
+        assertEquals("lala", testObject.noUsage);
+        assertNull(testObject.arguments);
+        
+        tmp.delete();
+    }
+    
+    public void testAtOptsWithBeingDisabled() throws IOException, CmdLineException {
+        
+        parser.getProperties().withAtSyntax(false);
+        
+        File tmp = File.createTempFile("atoption", null);
+        PrintWriter printWriter = new PrintWriter(tmp);
+        printWriter.println("-string\nfoo");
+        printWriter.close();
+        
+        // this time the @-option gets not interpreted because
+        // it's disabled
+        args = new String[]{"-noUsage", "foo", "@"+tmp.getAbsolutePath()};
+        parser.parseArgument(args);
+        
+        assertEquals("default", testObject.str);
+        assertEquals("foo", testObject.noUsage);
+        assertEquals(Arrays.asList(new String[] {"@"+tmp.getAbsolutePath()}), 
+                Arrays.asList(testObject.arguments));
+        
+        tmp.delete();
+    }    
+}