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fenix/app/src/androidTest/java/org/mozilla/fenix/helpers/Matchers.kt

59 lines
2.3 KiB
Kotlin

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.fenix.helpers
import android.graphics.Bitmap
import android.view.View
import android.view.ViewGroup
import org.hamcrest.CoreMatchers.not
import org.hamcrest.Description
import org.hamcrest.Matcher
import org.hamcrest.TypeSafeMatcher
import org.mozilla.fenix.helpers.matchers.BitmapDrawableMatcher
import androidx.test.espresso.matcher.ViewMatchers.isChecked as espressoIsChecked
import androidx.test.espresso.matcher.ViewMatchers.isEnabled as espressoIsEnabled
import androidx.test.espresso.matcher.ViewMatchers.isSelected as espressoIsSelected
/**
* The [espressoIsEnabled] function that can also handle disabled state through the boolean argument.
*/
fun isEnabled(isEnabled: Boolean): Matcher<View> = maybeInvertMatcher(espressoIsEnabled(), isEnabled)
/**
* The [espressoIsChecked] function that can also handle unchecked state through the boolean argument.
*/
fun isChecked(isChecked: Boolean): Matcher<View> = maybeInvertMatcher(espressoIsChecked(), isChecked)
/**
* The [espressoIsSelected] function that can also handle not selected state through the boolean argument.
*/
fun isSelected(isSelected: Boolean): Matcher<View> = maybeInvertMatcher(espressoIsSelected(), isSelected)
private fun maybeInvertMatcher(matcher: Matcher<View>, useUnmodifiedMatcher: Boolean): Matcher<View> = when {
useUnmodifiedMatcher -> matcher
else -> not(matcher)
}
fun withBitmapDrawable(bitmap: Bitmap, name: String): Matcher<View>? = BitmapDrawableMatcher(bitmap, name)
fun nthChildOf(
parentMatcher: Matcher<View>,
childPosition: Int
): Matcher<View> {
return object : TypeSafeMatcher<View>() {
override fun describeTo(description: Description) {
description.appendText("Position is $childPosition")
}
public override fun matchesSafely(view: View): Boolean {
if (view.parent !is ViewGroup) {
return parentMatcher.matches(view.parent)
}
val group = view.parent as ViewGroup
return parentMatcher.matches(view.parent) && group.getChildAt(childPosition) == view
}
}
}