MatchStatus + unit tests

src/main/java/com/amihaiemil/docker/MatchStatus.java

@@ -0,0 +1,78 @@
+/**
+ * Copyright (c) 2018, Mihai Emil Andronache
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1)Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2)Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3)Neither the name of docker-java-api nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.amihaiemil.docker;
+
+import java.io.IOException;
+import java.net.URI;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.ResponseHandler;
+
+/**
+ * An Apache ResponseHandler that tries to match the Response's status code
+ * with the expected one.
+ * @author Mihai Andronache (amihaiemil@gmail.com)
+ * @version $Id$
+ * @since 0.0.1
+ * @todo #93:30min Use this ResponseHandler to get rid of the status code
+ *  checking logic which is duplicated in many places like RtContainer
+ *  and RtImages.
+ */
+final class MatchStatus implements ResponseHandler<HttpResponse> {
+
+    /**
+     * Called URI.
+     */
+    private final URI called;
+
+    /**
+     * Expected status.
+     */
+    private final int expected;
+
+    /**
+     * Ctor.
+     * @param called Called URI.
+     * @param expected Expected Http status code.
+     */
+    MatchStatus(final URI called, final int expected) {
+        this.called = called;
+        this.expected = expected;
+    }
+
+    @Override
+    public HttpResponse handleResponse(final HttpResponse response)
+        throws ClientProtocolException, IOException {
+        final int actual = response.getStatusLine().getStatusCode();
+        if(actual != this.expected) {
+            throw new UnexpectedResponseException(
+                this.called.toString(), actual, this.expected
+            );
+        }
+        return response;
+    }
+
+}

src/test/java/com/amihaiemil/docker/MatchStatusTestCase.java

@@ -0,0 +1,70 @@
+/**
+ * Copyright (c) 2018, Mihai Emil Andronache
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1)Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2)Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3)Neither the name of docker-java-api nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.amihaiemil.docker;
+
+import com.amihaiemil.docker.mock.Response;
+import java.net.URI;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpStatus;
+import org.hamcrest.MatcherAssert;
+import org.hamcrest.Matchers;
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link MatchStatus}.
+ * @author Mihai Andronache (amihaiemil@gmail.com)
+ * @version $Id$
+ * @since 0.0.1
+ */
+public final class MatchStatusTestCase {
+
+    /**
+     * {@link MatchStatus} throws UnexpectedResponseException if the status
+     * of the HttpResponse is not the expected one.
+     * @throws Exception If something goes wrong.
+     */
+    @Test(expected = UnexpectedResponseException.class)
+    public void complainsOnDifferentStatus() throws Exception {
+        new MatchStatus(URI.create("/test/ur"), HttpStatus.SC_OK)
+            .handleResponse(new Response(HttpStatus.SC_NOT_FOUND, ""));
+    }
+
+    /**
+     * {@link MatchStatus} returns the HttpResponse if the status code is
+     * the expected one.
+     * @throws Exception If something goes wrong.
+     */
+    @Test
+    public void returnsResponseOnMatch() throws Exception {
+        final HttpResponse resp = new Response(HttpStatus.SC_OK, "");
+        MatcherAssert.assertThat(
+            new MatchStatus(URI.create("/test/ur"), HttpStatus.SC_OK)
+                .handleResponse(resp),
+            Matchers.is(resp)
+        );
+    }
+
+}

src/test/java/com/amihaiemil/docker/mock/AssertRequest.java

@@ -118,7 +118,8 @@ public HttpResponse execute(final HttpHost target,
     public <T> T execute(final HttpUriRequest request,
         final ResponseHandler<? extends T> responseHandler)
         throws IOException, ClientProtocolException {
-        throw new UnsupportedOperationException("Not supported yet.");
+        this.check(request);
+        return responseHandler.handleResponse(this.response);
     }
 
     @Override