Merge pull request #24 from greboid/test

Add a test for ListenerInputStream.

test/com/dmdirc/util/io/ListenerInputStreamTest.java

@@ -0,0 +1,166 @@
+/*
+ * Copyright (c) 2006-2014 DMDirc Developers
+ *
+ * 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.
+ */
+
+package com.dmdirc.util.io;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import javax.annotation.Nonnull;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+
+import static junit.framework.TestCase.assertEquals;
+import static junit.framework.TestCase.assertTrue;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
+@RunWith(MockitoJUnitRunner.class)
+public class ListenerInputStreamTest {
+
+    @Mock private DownloadListener listener;
+
+    private ListenerInputStream instance;
+
+    @Before
+    public void setUp() throws Exception {
+        instance = new ListenerInputStream(new MockedInputStream(), listener, 100);
+    }
+
+    @Test
+    public void testInit_Indeterminate() throws Exception {
+        instance = new ListenerInputStream(new MockedInputStream(), listener, -1);
+        assertEquals(2, instance.read());
+        verify(listener, never()).downloadProgress(2);
+        verify(listener).setIndeterminate(true);
+    }
+
+    @Test
+    public void testInit_Determinate() throws Exception {
+        assertEquals(2, instance.read());
+        verify(listener).downloadProgress(2);
+        verify(listener).setIndeterminate(false);
+    }
+
+    @Test
+    public void testRead() throws Exception {
+        assertEquals(2, instance.read());
+        verify(listener).downloadProgress(2);
+    }
+
+    @Test
+    public void testRead1() throws Exception {
+        assertEquals(4, instance.read(new byte[6]));
+        verify(listener).downloadProgress(4);
+    }
+
+    @Test
+    public void testRead2() throws Exception {
+        assertEquals(6, instance.read(new byte[8], 0, 8));
+        verify(listener).downloadProgress(6);
+    }
+
+    @Test
+    public void testSkip() throws Exception {
+        assertEquals(8, instance.skip(4));
+        verify(listener).downloadProgress(8);
+    }
+
+    @Test
+    public void testAvailable() throws Exception {
+        assertEquals(10, instance.available());
+    }
+
+    @Test(expected = IOException.class)
+    public void testClose() throws Exception {
+        instance.close();
+    }
+
+    @Test(expected = IOException.class)
+    public void testMarkAndReset_Unsupported() throws Exception {
+        instance.mark(0);
+        instance.reset();
+    }
+
+    @Test
+    public void testMarkSupported() throws Exception {
+        assertTrue(instance.markSupported());
+    }
+
+    private static class MockedInputStream extends InputStream {
+
+        public MockedInputStream() {
+        }
+
+        @Override
+        public int read() throws IOException {
+            return 2;
+        }
+
+        @Override
+        public int read(@Nonnull final byte[] b) throws IOException {
+            return 4;
+        }
+
+        @Override
+        public int read(@Nonnull final byte[] b, final int off, final int len) throws IOException {
+            if (off == 0 && len == 6) {
+                return 4;
+            } else {
+                return 6;
+            }
+        }
+
+        @Override
+        public long skip(final long n) throws IOException {
+            return 8;
+        }
+
+        @Override
+        public int available() throws IOException {
+            return 10;
+        }
+
+        @Override
+        public void close() throws IOException {
+            throw new IOException("Test");
+        }
+
+        @Override
+        public synchronized void mark(final int readlimit) {
+        }
+
+        @Override
+        public synchronized void reset() throws IOException {
+            throw new IOException("Test");
+        }
+
+        @Override
+        public boolean markSupported() {
+            return true;
+        }
+    }
+}