From 3aeea0230039643efe6d0371a3fdb3fbb327a32c Mon Sep 17 00:00:00 2001
From: Sylvia van Os <sylvia@hackerchick.me>
Date: Wed, 11 Dec 2019 14:23:13 +0100
Subject: [PATCH] Test button state

---
 .../BarcodeSelectorActivityTest.java          | 100 ++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 app/src/test/java/protect/card_locker/BarcodeSelectorActivityTest.java

diff --git a/app/src/test/java/protect/card_locker/BarcodeSelectorActivityTest.java b/app/src/test/java/protect/card_locker/BarcodeSelectorActivityTest.java
new file mode 100644
index 000000000..dc8d5b053
--- /dev/null
+++ b/app/src/test/java/protect/card_locker/BarcodeSelectorActivityTest.java
@@ -0,0 +1,100 @@
+package protect.card_locker;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.android.controller.ActivityController;
+import org.robolectric.annotation.Config;
+
+import static org.junit.Assert.assertEquals;
+import static org.robolectric.Shadows.shadowOf;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(constants = BuildConfig.class, sdk = 23)
+public class BarcodeSelectorActivityTest {
+    @Test
+    public void emptyStateTest()
+    {
+        ActivityController activityController = Robolectric.buildActivity(BarcodeSelectorActivity.class).create();
+        activityController.start();
+        activityController.resume();
+
+        Activity activity = (Activity) activityController.get();
+
+        final TextView cardId = activity.findViewById(R.id.cardId);
+        final Button noBarcodeButton = activity.findViewById(R.id.noBarcode);
+
+        // No card ID by default
+        assertEquals(cardId.getText().toString(), "");
+
+        // Button should be visible but disabled
+        assertEquals(View.VISIBLE, noBarcodeButton.getVisibility());
+        assertEquals(false, noBarcodeButton.isEnabled());
+    }
+
+    @Test
+    public void nonEmptyStateTest() throws InterruptedException
+    {
+        ActivityController activityController = Robolectric.buildActivity(BarcodeSelectorActivity.class).create();
+        activityController.start();
+        activityController.resume();
+
+        Activity activity = (Activity) activityController.get();
+
+        final TextView cardId = activity.findViewById(R.id.cardId);
+        final Button noBarcodeButton = activity.findViewById(R.id.noBarcode);
+
+        cardId.setText("abcdefg");
+
+        activityController.pause();
+        activityController.resume();
+
+        // Button should be visible and enabled
+        assertEquals(View.VISIBLE, noBarcodeButton.getVisibility());
+        assertEquals(true, noBarcodeButton.isEnabled());
+
+        // Clicking button should create "empty" barcode
+        activity.findViewById(R.id.noBarcode).performClick();
+        Intent resultIntent = shadowOf(activity).getResultIntent();
+        assertEquals("", resultIntent.getStringExtra(BarcodeSelectorActivity.BARCODE_FORMAT));
+        assertEquals("abcdefg", resultIntent.getStringExtra(BarcodeSelectorActivity.BARCODE_CONTENTS));
+    }
+
+    @Test
+    public void nonEmptyToEmptyStateTest() throws InterruptedException
+    {
+        ActivityController activityController = Robolectric.buildActivity(BarcodeSelectorActivity.class).create();
+        activityController.start();
+        activityController.resume();
+
+        Activity activity = (Activity) activityController.get();
+
+        final TextView cardId = activity.findViewById(R.id.cardId);
+        final Button noBarcodeButton = activity.findViewById(R.id.noBarcode);
+
+        cardId.setText("abcdefg");
+
+        activityController.pause();
+        activityController.resume();
+
+        // Button should be visible and enabled
+        assertEquals(View.VISIBLE, noBarcodeButton.getVisibility());
+        assertEquals(true, noBarcodeButton.isEnabled());
+
+        cardId.setText("");
+
+        activityController.pause();
+        activityController.resume();
+
+        // Button should be visible but disabled
+        assertEquals(View.VISIBLE, noBarcodeButton.getVisibility());
+        assertEquals(false, noBarcodeButton.isEnabled());
+    }
+}