Add some unit tests

.travis.yml

@@ -18,6 +18,9 @@ android:
     - android-26
     - doc-26
 
+script:
+  - ./gradlew clean connectedCheck testDebugUnitTest
+
 cache:
   directories:
     - $HOME/.gradle

cameraview/build.gradle

@@ -31,6 +31,9 @@ android {
 }
 
 dependencies {
+    testCompile 'junit:junit:4.12'
+    testCompile 'org.mockito:mockito-core:1.10.19'
+
     compile "com.android.support:exifinterface:$supportLibVersion"
     compile "com.android.support:support-annotations:$supportLibVersion"
 }

cameraview/src/main/java/com/otaliastudios/cameraview/ExtraProperties.java

@@ -4,6 +4,7 @@ package com.otaliastudios.cameraview;
 import android.annotation.TargetApi;
 import android.hardware.Camera;
 import android.hardware.camera2.CameraCharacteristics;
+import android.util.Log;
 import android.util.SizeF;
 
 /**
@@ -12,8 +13,8 @@ import android.util.SizeF;
 @SuppressWarnings("deprecation")
 public class ExtraProperties {
 
-    float verticalViewingAngle;
-    float horizontalViewingAngle;
+    private float verticalViewingAngle;
+    private float horizontalViewingAngle;
 
     ExtraProperties(Camera.Parameters params) {
         verticalViewingAngle = params.getVerticalViewAngle();

cameraview/src/test/java/com/otaliastudios/cameraview/ExtraPropertiesTest.java

@@ -0,0 +1,27 @@
+package com.otaliastudios.cameraview;
+
+
+import android.annotation.TargetApi;
+import android.hardware.Camera;
+import android.hardware.camera2.CameraCharacteristics;
+import android.util.SizeF;
+
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import static org.mockito.Mockito.*;
+import static org.junit.Assert.*;
+
+public class ExtraPropertiesTest {
+
+    @Test
+    public void testConstructor1() {
+        Camera.Parameters params = mock(Camera.Parameters.class);
+        when(params.getVerticalViewAngle()).thenReturn(10f);
+        when(params.getHorizontalViewAngle()).thenReturn(5f);
+        ExtraProperties e = new ExtraProperties(params);
+        assertEquals(e.getVerticalViewingAngle(), 10f, 0f);
+        assertEquals(e.getHorizontalViewingAngle(), 5f, 0f);
+    }
+
+}

cameraview/src/test/java/com/otaliastudios/cameraview/Mapper1Test.java

@@ -0,0 +1,54 @@
+package com.otaliastudios.cameraview;
+
+
+import android.hardware.Camera;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class Mapper1Test {
+
+    private Mapper mapper = new Mapper.Mapper1();
+
+    @Test
+    public void testMap() {
+        assertEquals(mapper.map(Flash.OFF), Camera.Parameters.FLASH_MODE_OFF);
+        assertEquals(mapper.map(Flash.ON), Camera.Parameters.FLASH_MODE_ON);
+        assertEquals(mapper.map(Flash.AUTO), Camera.Parameters.FLASH_MODE_AUTO);
+        assertEquals(mapper.map(Flash.TORCH), Camera.Parameters.FLASH_MODE_TORCH);
+
+        assertEquals(mapper.map(Facing.BACK), Camera.CameraInfo.CAMERA_FACING_BACK);
+        assertEquals(mapper.map(Facing.FRONT), Camera.CameraInfo.CAMERA_FACING_FRONT);
+
+        assertEquals(mapper.map(Hdr.OFF), Camera.Parameters.SCENE_MODE_AUTO);
+        assertEquals(mapper.map(Hdr.ON), Camera.Parameters.SCENE_MODE_HDR);
+
+        assertEquals(mapper.map(WhiteBalance.AUTO), Camera.Parameters.WHITE_BALANCE_AUTO);
+        assertEquals(mapper.map(WhiteBalance.DAYLIGHT), Camera.Parameters.WHITE_BALANCE_DAYLIGHT);
+        assertEquals(mapper.map(WhiteBalance.CLOUDY), Camera.Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT);
+        assertEquals(mapper.map(WhiteBalance.INCANDESCENT), Camera.Parameters.WHITE_BALANCE_INCANDESCENT);
+        assertEquals(mapper.map(WhiteBalance.FLUORESCENT), Camera.Parameters.WHITE_BALANCE_FLUORESCENT);
+    }
+
+
+    @Test
+    public void testUnmap() {
+        assertEquals(Flash.OFF, mapper.unmapFlash(Camera.Parameters.FLASH_MODE_OFF));
+        assertEquals(Flash.ON, mapper.unmapFlash(Camera.Parameters.FLASH_MODE_ON));
+        assertEquals(Flash.AUTO, mapper.unmapFlash(Camera.Parameters.FLASH_MODE_AUTO));
+        assertEquals(Flash.TORCH, mapper.unmapFlash(Camera.Parameters.FLASH_MODE_TORCH));
+
+        assertEquals(Facing.BACK, mapper.unmapFacing(Camera.CameraInfo.CAMERA_FACING_BACK));
+        assertEquals(Facing.FRONT, mapper.unmapFacing(Camera.CameraInfo.CAMERA_FACING_FRONT));
+
+        assertEquals(Hdr.OFF, mapper.unmapHdr(Camera.Parameters.SCENE_MODE_AUTO));
+        assertEquals(Hdr.ON, mapper.unmapHdr(Camera.Parameters.SCENE_MODE_HDR));
+
+        assertEquals(WhiteBalance.AUTO, mapper.unmapWhiteBalance(Camera.Parameters.WHITE_BALANCE_AUTO));
+        assertEquals(WhiteBalance.DAYLIGHT, mapper.unmapWhiteBalance(Camera.Parameters.WHITE_BALANCE_DAYLIGHT));
+        assertEquals(WhiteBalance.CLOUDY, mapper.unmapWhiteBalance(Camera.Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT));
+        assertEquals(WhiteBalance.INCANDESCENT, mapper.unmapWhiteBalance(Camera.Parameters.WHITE_BALANCE_INCANDESCENT));
+        assertEquals(WhiteBalance.FLUORESCENT, mapper.unmapWhiteBalance(Camera.Parameters.WHITE_BALANCE_FLUORESCENT));
+    }
+}

cameraview/src/test/java/com/otaliastudios/cameraview/SizeTest.java

@@ -0,0 +1,37 @@
+package com.otaliastudios.cameraview;
+
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class SizeTest {
+
+
+    @Test
+    public void testDimensions() {
+        Size size = new Size(10, 20);
+        assertEquals(size.getWidth(), 10f, 0f);
+        assertEquals(size.getHeight(), 20f, 0f);
+        assertEquals("10x20", size.toString());
+    }
+
+    @Test
+    public void testEquals() {
+        Size s1 = new Size(10, 20);
+        Size s2 = new Size(10, 0);
+        Size s3 = new Size(10, 20);
+        assertTrue(s1.equals(s3));
+        assertFalse(s1.equals(s2));
+    }
+
+    @Test
+    public void testCompare() {
+        Size s1 = new Size(10, 20);
+        Size s2 = new Size(10, 0);
+        Size s3 = new Size(10, 20);
+        assertTrue(s1.compareTo(s3) == 0);
+        assertTrue(s1.compareTo(s2) > 0);
+        assertTrue(s2.compareTo(s1) < 0);
+    }
+}