plectrum

commit 865313718fcd7330e204531dd45969070e27d7e3
parent e2505432a916f597a952ed2e5e960e463e99d3b7
Author: gstraube <gstraube@mailbox.org>
Date:   Sat, 29 Jul 2017 21:46:24 +0200

Add first UI test

Diffstat:
A
app/src/androidTest/java/com/github/cythara/TunerViewTest.java
 | 
64
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A
app/src/main/res/drawable/exact.png
 | 
0

2 files changed, 64 insertions(+), 0 deletions(-)
diff --git a/app/src/androidTest/java/com/github/cythara/TunerViewTest.java b/app/src/androidTest/java/com/github/cythara/TunerViewTest.java
@@ -0,0 +1,63 @@
+package com.github.cythara;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.os.Environment;
+import android.support.test.rule.ActivityTestRule;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Assert;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+@RunWith(AndroidJUnit4.class)
+public class TunerViewTest {
+
+    @Rule
+    public ActivityTestRule<MainActivity> mActivityRule = new ActivityTestRule<>(
+            MainActivity.class);
+
+    @Test
+    public void exactly_matching_pitch_is_displayed() throws IOException {
+        MainActivity mainActivity = mActivityRule.getActivity();
+
+        BitmapFactory.Options options = new BitmapFactory.Options();
+        options.inScaled = false;
+        Bitmap reference = BitmapFactory.decodeResource(mainActivity.getResources(),
+                R.drawable.exact, options);
+
+        Bitmap generated = Bitmap.createBitmap(2048, 1024, Bitmap.Config.ARGB_4444);
+        Canvas canvas = new Canvas(generated);
+        TunerView tunerView = (TunerView) mainActivity.findViewById(R.id.pitch);
+        tunerView.setPitchDifference(new PitchDifference(Note.E4, 0));
+
+        tunerView.draw(canvas);
+
+        Assert.assertTrue(reference.sameAs(generated));
+
+        writeToFile(generated, "generated.png");
+        writeToFile(reference, "reference.png");
+    }
+
+    private void writeToFile(Bitmap bitmap, String name) throws IOException {
+        File sdCard = Environment.getExternalStorageDirectory();
+        FileOutputStream out = null;
+        try {
+            out = new FileOutputStream(sdCard.getAbsolutePath() + "/" + name);
+            bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } finally {
+            if (out != null) {
+                out.close();
+            }
+        }
+    }
+}
+\ No newline at end of file
diff --git a/app/src/main/res/drawable/exact.png b/app/src/main/res/drawable/exact.png
Binary files differ.