on screen calculator wizard step

android-app/src/test/java/org/solovyev/android/calculator/wizard/OnScreenCalculatorWizardStepTest.java

@@ -0,0 +1,77 @@
+package org.solovyev.android.calculator.wizard;
+
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+
+import javax.annotation.Nonnull;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.util.ActivityController;
+import org.solovyev.android.calculator.CalculatorPreferences;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+@RunWith(RobolectricTestRunner.class)
+public class OnScreenCalculatorWizardStepTest {
+
+	@Nonnull
+	private OnScreenCalculatorWizardStep fragment;
+
+	@Nonnull
+	private CalculatorWizardActivity activity;
+
+	@Nonnull
+	private ActivityController<CalculatorWizardActivity> controller;
+
+	@Before
+	public void setUp() throws Exception {
+		createActivity();
+		setFragment();
+	}
+
+	private void createActivity() {
+		controller = Robolectric.buildActivity(CalculatorWizardActivity.class).create().start().resume();
+		activity = controller.get();
+	}
+
+	private void setFragment() {
+		activity.setStep(WizardStep.on_screen_calculator);
+		activity.getSupportFragmentManager().executePendingTransactions();
+		fragment = (OnScreenCalculatorWizardStep) activity.getSupportFragmentManager().findFragmentByTag(WizardStep.on_screen_calculator.getFragmentTag());
+	}
+
+	@Test
+	public void testShouldRestoreStateOnRestart() throws Exception {
+		fragment.getOnscreenCalculatorCheckbox().setChecked(true);
+		controller.restart();
+		assertTrue(fragment.getOnscreenCalculatorCheckbox().isChecked());
+
+		fragment.getOnscreenCalculatorCheckbox().setChecked(false);
+		controller.restart();
+		assertFalse(fragment.getOnscreenCalculatorCheckbox().isChecked());
+	}
+
+	@Test
+	public void testShouldBeEnabledIfIconIsShown() throws Exception {
+		testShouldBeEqualsToIconState(true);
+	}
+
+	@Test
+	public void testShouldBeDisabledIfIconIsNotShown() throws Exception {
+		testShouldBeEqualsToIconState(false);
+	}
+
+	private void testShouldBeEqualsToIconState(boolean iconEnabled) {
+		final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(Robolectric.application);
+		CalculatorPreferences.OnscreenCalculator.showAppIcon.putPreference(preferences, iconEnabled);
+		createActivity();
+		setFragment();
+		assertEquals(iconEnabled, fragment.isOnscreenCalculatorEnabled());
+	}
+}