Issue #118: Add application tests.

src/test/java/com/github/mk23/jmxproxy/tests/JMXProxyApplicationTest.java

@@ -0,0 +1,90 @@
+package com.github.mk23.jmxproxy.tests;
+
+import com.github.mk23.jmxproxy.JMXProxyApplication;
+import com.github.mk23.jmxproxy.conf.MainConfig;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import io.dropwizard.testing.FixtureHelpers;
+import io.dropwizard.testing.ResourceHelpers;
+import io.dropwizard.testing.junit.DropwizardAppRule;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.ClassRule;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TestName;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class JMXProxyApplicationTest {
+
+    private static final String CONFIG = ResourceHelpers.resourceFilePath("main_config.yaml");
+    private Client client;
+
+    @Rule public TestName name = new TestName();
+
+    @ClassRule
+    public static final DropwizardAppRule<MainConfig> RULE =
+        new DropwizardAppRule<MainConfig>(JMXProxyApplication.class, CONFIG);
+
+    @Before
+    public void printTestName() {
+        System.out.println(" -> " + name.getMethodName());
+    }
+
+    @Before
+    public void createClient() throws Exception {
+        client = ClientBuilder.newClient();
+    }
+
+    @After
+    public void shutdownClient() throws Exception {
+        client.close();
+    }
+
+    @Test
+    public void checkApplication() throws Exception {
+        String acquired = client.target("http://localhost:" + RULE.getLocalPort())
+            .request()
+            .get(String.class);
+
+        assertTrue(acquired.contains("<title>JMXProxy</title>"));
+    }
+
+    @Test
+    public void checkMinificationJS() throws Exception {
+        String acquired = client.target("http://localhost:" + RULE.getLocalPort() + "/js/jmxproxy.js")
+            .request()
+            .get(String.class);
+
+        assertFalse(acquired.contains("\n"));
+    }
+
+    @Test
+    public void checkMinificationCSS() throws Exception {
+        String acquired = client.target("http://localhost:" + RULE.getLocalPort() + "/css/jmxproxy.css")
+            .request()
+            .get(String.class);
+
+        assertFalse(acquired.contains("\n"));
+    }
+
+    @Test
+    public void checkHealthStatus() throws Exception {
+        String acquired = client.target("http://localhost:" + RULE.getAdminPort() + "/healthcheck")
+            .request()
+            .get(String.class);
+
+        ObjectMapper om = new ObjectMapper();
+        String expected = om.writeValueAsString(om.readValue(FixtureHelpers.fixture("fixtures/health_check.json"), JsonNode.class));
+
+        assertTrue(expected.equals(acquired));
+    }
+}

src/test/resources/fixtures/health_check.json

@@ -0,0 +1,8 @@
+{
+    "deadlocks": {
+        "healthy": true
+    },
+    "manager": {
+        "healthy": true
+    }
+}

src/test/resources/main_config.yaml

@@ -0,0 +1,15 @@
+jmxproxy:
+  access_duration: '5m'
+  allowed_endpoints:
+    - 'localhost:1100'
+    - 'remotehost:2211'
+  cache_duration: '150s'
+  clean_interval: '3m'
+  history_size: 11
+
+logging:
+  level: OFF
+
+server:
+  requestLog:
+    appenders: []