Issue #169: Add host tests.

src/test/java/com/github/mk23/jmxproxy/core/tests/HostTest.java

@@ -0,0 +1,132 @@
+package com.github.mk23.jmxproxy.core.tests;
+
+import com.github.mk23.jmxproxy.core.Host;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TestName;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+public class HostTest {
+    private final ObjectMapper om = new ObjectMapper();
+
+    @Rule public TestName name = new TestName();
+
+    private String asJson(Object object) throws JsonProcessingException {
+        return om.writeValueAsString(object);
+    }
+
+    @Before
+    public void printTestName() {
+        System.out.println(" -> " + name.getMethodName());
+    }
+
+    @Test
+    public void checkEmptyHost() throws Exception {
+        final Host host = new Host();
+        final String expected = new String("{}");
+
+        assertThat("check empty host", asJson(host), is(expected));
+    }
+
+    @Test
+    public void checkEmptyHostMBeanList() throws Exception {
+        final Host host = new Host();
+        final String expected = new String("[]");
+
+        assertThat("check empty host mbean list", asJson(host.getMBeans()), is(expected));
+    }
+
+    @Test
+    public void checkMissingMBean() throws Exception {
+        final Host host = new Host();
+        final String expected = new String("null");
+
+        assertThat("check missing mbean", asJson(host.getMBean("bean")), is(expected));
+    }
+
+    @Test
+    public void checkDuplicateMBean() throws Exception {
+        final Host host = new Host();
+        assertTrue(host.addMBean("bean") == host.addMBean("bean"));
+    }
+
+    @Test
+    public void checkAddDefaultMBeanFull() throws Exception {
+        final Host host = new Host();
+        host.addMBean("bean");
+
+        final String expected = new String("{\"bean\":{}}");
+
+        assertThat("check add default mbean full", asJson(host), is(expected));
+    }
+
+    @Test
+    public void checkAddDefaultMBeanList() throws Exception {
+        final Host host = new Host();
+        host.addMBean("bean");
+
+        final String expected = new String("[\"bean\"]");
+
+        assertThat("check add default mbean list", asJson(host.getMBeans()), is(expected));
+    }
+
+    @Test
+    public void checkAddDefaultMBeanBare() throws Exception {
+        final Host host = new Host();
+        host.addMBean("bean");
+
+        final String expected = new String("{}");
+
+        assertThat("check add default mbean bare", asJson(host.getMBean("bean")), is(expected));
+    }
+
+    @Test
+    public void checkAddExplicitMBeanFull() throws Exception {
+        final Host host = new Host();
+        host.addMBean("bean", 1);
+
+        final String expected = new String("{\"bean\":{}}");
+
+        assertThat("check add explicit mbean full", asJson(host), is(expected));
+    }
+
+    @Test
+    public void checkAddExplicitMBeanList() throws Exception {
+        final Host host = new Host();
+        host.addMBean("bean", 1);
+
+        final String expected = new String("[\"bean\"]");
+
+        assertThat("check add explicit mbean list", asJson(host.getMBeans()), is(expected));
+    }
+
+    @Test
+    public void checkAddExplicitMBeanBare() throws Exception {
+        final Host host = new Host();
+        host.addMBean("bean", 1);
+
+        final String expected = new String("{}");
+
+        assertThat("check add explicit mbean bare", asJson(host.getMBean("bean")), is(expected));
+    }
+
+    @Test
+    public void checkRemoveMBean() throws Exception {
+        final Host host = new Host();
+        host.addMBean("bean");
+        host.removeMBean("bean");
+
+        final String expected = new String("{}");
+
+        assertThat("check remove mbean", asJson(host), is(expected));
+    }
+}