Adding tests

Author: Daniel da Silva

.gitignore

@@ -1,3 +1,7 @@
+# Eclipse files
+.project
+.classpath
+
 # Build files
 *.class
 build

build.xml

@@ -1,9 +1,17 @@
 <project name="Ubidots">
   <path id="Ubidots.classpath">
+    <pathelement location="build/classes" />
+
+    <!-- the following jar's are used by the library -->
     <pathelement location="libs/gson-2.2.4.jar" />
     <pathelement location="libs/org.apache.httpcomponents.httpcore_4.3.jar" />
     <pathelement location="libs/org.apache.httpcomponents.httpclient_4.3.jar" />
     <pathelement location="libs/commons-logging-1.1.2.jar" />
+
+    <!-- The following jar's are used in tests -->
+    <pathelement location="libs/mockito-all-1.9.5.jar" />
+    <pathelement location="libs/junit-4.11.jar" />
+    <pathelement location="libs/hamcrest-core-1.3.jar" />
   </path>
 
   <target name="clean">
@@ -21,4 +29,14 @@
     <mkdir dir="build/jar"/>
     <jar destfile="build/jar/ubidots.jar" basedir="build/classes" />
   </target>
-</project>
+
+  <target name="test">
+    <junit fork="yes" printsummary="false">
+      <classpath refid="Ubidots.classpath"/>
+      <formatter type="brief" usefile="false"/>
+      <batchtest filtertrace="true">
+	<fileset dir="build/classes/" includes="**/*Test.class"/>
+      </batchtest>
+    </junit>
+  </target>
+</project>

libs/hamcrest-core-1.3.jar

@@ -85,4 +85,9 @@ public Variable[] getVariables() {
 
 		return variables;
 	}
+
+	// For testing
+	void setServerBridge(ServerBridge bridge) {
+		this.bridge = bridge;
+	}
 }

libs/junit-4.11.jar

@@ -0,0 +1,53 @@
+package com.ubidots;
+
+import static org.junit.Assert.*;
+import org.junit.Test;
+import static org.mockito.Mockito.*;
+
+public class ApiClientTest {
+
+	@Test
+	public void testGetVariablesEmptyList() {
+		ServerBridge bridge = mock(ServerBridge.class);
+		when(bridge.get("variables")).thenReturn("[]");
+				
+		ApiClient api = new ApiClient("abc");
+		api.setServerBridge(bridge);
+		Variable[] variables = api.getVariables();
+
+		assertEquals(variables.length, 0);
+	}
+
+	@Test
+	public void testGetVariablesSingleVar() {
+		ServerBridge bridge = mock(ServerBridge.class);
+		when(bridge.get("variables")).thenReturn(
+				"[{'name': 'A', 'id': 'a', 'icon': 'temperature'}]"
+		);
+			
+		ApiClient api = new ApiClient("abc");
+		api.setServerBridge(bridge);
+		Variable[] variables = api.getVariables();
+		
+		assertEquals(variables.length, 1);
+	}
+	
+	@Test
+	public void testGetVariablesFiveVars() {
+		ServerBridge bridge = mock(ServerBridge.class);
+		when(bridge.get("variables")).thenReturn("[" + 
+				"{'name': 'A', 'id': 'a', 'icon': 'temperature'}," +
+				"{'name': 'B', 'id': 'b', 'icon': 'temperature'}," +
+				"{'name': 'C', 'id': 'c', 'icon': 'temperature'}," +
+				"{'name': 'D', 'id': 'd', 'icon': 'temperature'}," +
+				"{'name': 'E', 'id': 'e', 'icon': 'heart'}" +
+				"]"
+		);
+		
+		ApiClient api = new ApiClient("abc");
+		api.setServerBridge(bridge);
+		Variable[] variables = api.getVariables();
+		
+		assertEquals(variables.length, 5);
+	}
+}