mardi 28 juin 2016

Espresso intent test failing

I'm learning android instrumentation testing with espresso. I have a app which has a drawermenu and there is menu called About. I was testing click on that menu item and contents of activity.

testfunction:

  @Test
public void testNavigationDrawerAboutMenu() {
    onView(withId(R.id.drawer_layout))
            .perform(DrawerActions.open()); //open drawer
    onView(withText("About")).perform(click());
    onView(withId(R.id.aboutsptemail)).check(matches(withText(R.string.screen_about_support_email)));
    onView(withId(R.id.aboutcpright)).check(matches(isDisplayed()));
    onView(withId(R.id.aboutprivacy)).check(matches(isDisplayed()));
    onView(withId(R.id.abouttermsconditions)).check(matches(isDisplayed()));
    onView(withId(R.id.aboutsptemail)).perform(click());
}

now the last textview has weblink embeded in it. so when you click on on it it opens the link(www.support.com) in a webview in app it self. I want to test this fumctionality. so I tried this:

intended(hasComponent(WebViewActivity.class.getName())); //check if webview called on supportEmail link click

but test fails with this error trace:

java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.test.espresso.intent.OngoingStubbing android.support.test.espresso.intent.Intents.internalIntending(org.hamcrest.Matcher)' on a null object reference
at android.support.test.espresso.intent.Intents.intending(Intents.java:155)
at com.ScanBuy.SmartLabel.NavigationDrawerActivityTests.testNavigationDrawerAboutMenu(NavigationDrawerActivityTests.java:94)
at java.lang.reflect.Method.invoke(Native Method)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at android.support.test.internal.statement.UiThreadStatement.evaluate(UiThreadStatement.java:55)
at android.support.test.rule.ActivityTestRule$ActivityStatement.evaluate(ActivityTestRule.java:270)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:27)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
at android.support.test.internal.runner.TestExecutor.execute(TestExecutor.java:59)
at android.support.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:262)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1879)

I have also tried resolve by idling the resources before checking for intent. But didn't work. Can anybody help?

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