为以编程方式创建的编辑文本执行文本类型
为以编程方式创建的编辑文本执行文本类型
提问于 2017-03-15 23:06:11
我是使用浓缩咖啡的新手，现在我正在为我的应用程序开发自动化测试。
我有如下所示的布局，在id (R.id.parameter_layout)的线性布局中，我创建并以编程方式将文本作为子视图进行编辑。
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:id="@+id/parameter_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="5dp"
android:layout_marginTop="5dp"
android:orientation="vertical"/>
</ScrollView>
</LinearLayout>我可以使用下面的代码获得子视图：
onView(withId(R.id.parameter_layout)).check(matches(withChildHint("areaPath")));但是，当我试图像下面这样绑定执行类型文本时，我得到了错误。
onView(allOf(withId(R.id.parameter_layout),withChildHint("areaPath"))).perform(typeText("aaa"), closeSoftKeyboard());这是我的withChildHint方法：
static Matcher<View> withChildHint(final String string) {
return new BoundedMatcher<View, LinearLayout>(LinearLayout.class) {
@Override
public boolean matchesSafely(LinearLayout view) {
View child = view.getChildAt(0);
if (child != null && child instanceof EditText) {
return ((EditText) child).getHint().toString().equals(string);
}`
return false;
}
@Override
public void describeTo(Description description) {
description.appendText("with child text: ");
}
};
}这是我发现的错误：
> android.support.test.espresso.PerformException: Error performing 'type text(/axon-v3/portal/areas/1)' on view '(with id: com.greenwavesystems.axon.lib.testapp:id/parameter_layout and with child text: )'.
at android.support.test.espresso.PerformException$Builder.build(PerformException.java:83)
at android.support.test.espresso.base.DefaultFailureHandler.getUserFriendlyError(DefaultFailureHandler.java:70)
at android.support.test.espresso.base.DefaultFailureHandler.handle(DefaultFailureHandler.java:53)
at android.support.test.espresso.ViewInteraction.runSynchronouslyOnUiThread(ViewInteraction.java:184)
at android.support.test.espresso.ViewInteraction.doPerform(ViewInteraction.java:115)
at android.support.test.espresso.ViewInteraction.perform(ViewInteraction.java:87)
at com.greenwavesystems.axon.lib.testapp.MethodActivityTest.testMethod(MethodActivityTest.java:95)
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$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.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:1959)
Caused by: java.lang.RuntimeException: Action will not be performed because the target view does not match one or more of the following constraints:
((is displayed on the screen to the user) and (supports input methods or is assignable from class: class android.widget.SearchView))
Target view: "LinearLayout{id=2131558549, res-name=parameter_layout, visibility=VISIBLE, width=1208, height=378, has-focus=true, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=20.0, child-count=2}"
at android.support.test.espresso.ViewInteraction$1.run(ViewInteraction.java:138)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:423)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:158)
at android.app.ActivityThread.main(ActivityThread.java:7229)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)请告知我所缺少的东西，并非常感谢您的帮助。
回答 2
Stack Overflow用户
回答已采纳
发布于 2017-03-15 23:48:11
在你的日志里，上面写着：
由: java.lang.RuntimeException: Action引起的操作将不会执行，因为目标视图不匹配以下一个或多个约束：(在屏幕上显示给用户)和(支持输入方法或可从类:类android.widget.SearchView分配)) 目标视图："LinearLayout{id=2131558549，res-name=参数型_layout，visibility=VISIBLE，width=1208，height=378，has focus=true，has enabled=true，has聚焦=true，is-id=2131558549=true，is-id=2131558549=false，is-enabled=false，is-layout=false，is-false，root-is-root requested=false，has root connection=false，x=0.0，y=20.0，子-count=2}“
似乎您正在以typeText的形式在LinearLayout上执行target view。
尝试this solution的idea，让您的EditText执行typeText(...)。
public static Matcher<View> nthChildOf(final Matcher<View> parentMatcher, final int childPosition) {
return new TypeSafeMatcher<View>() {
@Override
public void describeTo(Description description) {
description.appendText("with "+childPosition+" child view of type parentMatcher");
}
@Override
public boolean matchesSafely(View view) {
if (!(view.getParent() instanceof ViewGroup)) {
return parentMatcher.matches(view.getParent());
}
ViewGroup group = (ViewGroup) view.getParent();
return parentMatcher.matches(view.getParent()) && group.getChildAt(childPosition).equals(view);
}
};Stack Overflow用户
发布于 2017-03-16 00:33:10
谢谢你的帮助，它真的帮了我很多:)
我把这个答案放在这里，对任何可能面临同样问题的人来说。我按照John的建议将代码放在上面，并使用如下：
onView(nthChildOf(withId(R.id.parameter_layout),0)).perform(typeText("aaa"), closeSoftKeyboard());我可以得到编辑文本并正确地执行类型文本。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/42827387
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