在Android Espresso中从日历中选择日期 [英] Select Date from Calendar in Android Espresso

问题描述

我正在用Espresso测试一个Android应用.我有一个带有androidInputType=date的EditText小部件.当我用手指触摸此控件时，会弹出一个日历供我选择日期.

I am testing an Android app with Espresso. I have an EditText widget with androidInputType=date. When I touch this control with my finger, a calendar pops up for me to select the date.

如何在Espresso中自动执行此操作?我到处都看了看，看不出来. typeText()当然不起作用.

How do I automate this in Espresso? I've looked all over the place and I can't figure it out. typeText() certainly does not work.

推荐答案

我最初在这里回答过，但是在另一个问题的范围内:

Original answered by me here, but in the scope of another question: Recording an Espresso test with a DatePicker - so I repost my adapted answer from there:

使用此行设置日期选择器中的日期:

Use this line to set the date in a datepicker:

onView(withClassName(Matchers.equalTo(DatePicker.class.getName()))).perform(PickerActions.setDate(year, monthOfYear, dayOfMonth));

这使用了PickerActions，它是espresso支持库的一部分-espresso-contrib.要使用它，请将其添加到gradle文件中(您需要几个排除项，以防止由于支持库版本不匹配而导致编译错误):

This uses the PickerActions which is part of the espresso support library - the espresso-contrib. To use it, add it like this to your gradle file (You need several excludes to prevent compile errors due to mismatching support library version):

androidTestCompile('com.android.support.test.espresso:espresso-contrib:2.2.2') {
    exclude group: 'com.android.support', module: 'appcompat'
    exclude module: 'support-annotations'
    exclude module: 'support-v4'
    exclude module: 'support-v13'
    exclude module: 'recyclerview-v7'
    exclude module: 'appcompat-v7'
}

然后，您可以创建一个助手方法，该方法单击打开日期选择器的视图，设置日期并通过单击确定"按钮进行确认:

Then you could create a helper method which clicks the view that opens the datepicker, sets the date and confirms it by clicking the ok button:

public static void setDate(int datePickerLaunchViewId, int year, int monthOfYear, int dayOfMonth) {
    onView(withParent(withId(buttonContainer)), withId(datePickerLaunchViewId)).perform(click());
    onView(withClassName(Matchers.equalTo(DatePicker.class.getName()))).perform(PickerActions.setDate(year, monthOfYear, dayOfMonth));
    onView(withId(android.R.id.button1)).perform(click());
}

然后在测试中像这样使用它:

And then use it like this in your tests:

TestHelper.setDate(R.id.date_button, 2017, 1, 1); 
//TestHelper is my helper class that contains the helper method above

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