Add unit tests for AcmeClientFactory

acme4j-client/src/test/java/org/shredzone/acme4j/AcmeClientFactoryTest.java

@@ -0,0 +1,123 @@
+/*
+ * acme4j - Java ACME client
+ *
+ * Copyright (C) 2015 Richard "Shred" Körber
+ *   http://acme4j.shredzone.org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+package org.shredzone.acme4j;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.mock;
+
+import java.io.IOException;
+import java.net.HttpURLConnection;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ServiceLoader;
+
+import org.junit.Test;
+import org.shredzone.acme4j.challenge.Challenge;
+import org.shredzone.acme4j.exception.AcmeException;
+import org.shredzone.acme4j.provider.AcmeClientProvider;
+
+/**
+ * Unit tests for {@link AcmeClientFactory}. Requires that both enclosed
+ * {@link AcmeClientProvider} implementations are registered via Java's
+ * {@link ServiceLoader} API when the test is run.
+ *
+ * @author Richard "Shred" Körber
+ */
+public class AcmeClientFactoryTest {
+
+    private static final AcmeClient DUMMY_CLIENT = mock(AcmeClient.class);
+
+    /**
+     * Test that connecting to an acme URI will return an {@link AcmeClient} via
+     * the correct {@link AcmeClientProvider}.
+     */
+    @Test
+    public void testConnectURI() throws URISyntaxException, AcmeException {
+        AcmeClient client = AcmeClientFactory.connect(new URI("acme://example.com"));
+        assertThat(client, is(sameInstance(DUMMY_CLIENT)));
+    }
+
+    /**
+     * There are no testing providers accepting {@code acme://example.org}. Test that
+     * connecting to this URI will result in an {@link AcmeException}.
+     */
+    @Test(expected = AcmeException.class)
+    public void testNone() throws URISyntaxException, AcmeException {
+        AcmeClientFactory.connect(new URI("acme://example.org"));
+    }
+
+    /**
+     * There are two testing providers accepting {@code acme://example.net}. Test that
+     * connecting to this URI will result in an {@link AcmeException}.
+     */
+    @Test(expected = AcmeException.class)
+    public void testDuplicate() throws URISyntaxException, AcmeException {
+        AcmeClientFactory.connect(new URI("acme://example.net"));
+    }
+
+    public static class Provider1 implements AcmeClientProvider {
+        @Override
+        public boolean accepts(URI serverUri) {
+            return "acme".equals(serverUri.getScheme())
+                    && ("example.com".equals(serverUri.getHost())
+                            || "example.net".equals(serverUri.getHost()));
+        }
+
+        @Override
+        public AcmeClient connect(URI serverUri) {
+            assertThat(serverUri.toString(), is("acme://example.com"));
+            return DUMMY_CLIENT;
+        }
+
+        @Override
+        public <T extends Challenge> T createChallenge(String type) {
+            fail("not supposed to be invoked");
+            return null;
+        }
+
+        @Override
+        public HttpURLConnection openConnection(URI uri) throws IOException {
+            fail("not supposed to be invoked");
+            return null;
+        }
+    }
+
+    public static class Provider2 implements AcmeClientProvider {
+        @Override
+        public boolean accepts(URI serverUri) {
+            return "acme".equals(serverUri.getScheme())
+                    && "example.net".equals(serverUri.getHost());
+        }
+
+        @Override
+        public AcmeClient connect(URI serverUri) {
+            fail("Wrong AcmeClientProvider was invoked");
+            return null;
+        }
+
+        @Override
+        public <T extends Challenge> T createChallenge(String type) {
+            fail("not supposed to be invoked");
+            return null;
+        }
+
+        @Override
+        public HttpURLConnection openConnection(URI uri) throws IOException {
+            fail("not supposed to be invoked");
+            return null;
+        }
+    }
+
+}

acme4j-client/src/test/resources/META-INF/services/org.shredzone.acme4j.provider.AcmeClientProvider

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+# Testing
+org.shredzone.acme4j.AcmeClientFactoryTest$Provider1
+
+# Testing2
+org.shredzone.acme4j.AcmeClientFactoryTest$Provider2