add more matchers (#124)

* add more matchers

* fix

library/src/main/java/com/qautomatron/kopi/library/element/ElementActionConfig.kt

@@ -3,6 +3,9 @@ package com.qautomatron.kopi.library.element
 import androidx.test.espresso.NoMatchingViewException
 import androidx.test.espresso.PerformException
 
+/**
+ * Timeout for perform
+ */
 object ElementActionConfig {
         var timeout = 3_000L
         var interval: Long = 250

library/src/main/java/com/qautomatron/kopi/library/element/ElementAssertionConfig.kt

@@ -3,6 +3,9 @@ package com.qautomatron.kopi.library.element
 import androidx.test.espresso.NoMatchingViewException
 import androidx.test.espresso.PerformException
 
+/**
+ * Timeout for check()
+ */
 object ElementAssertionConfig {
         var timeout = 3_000L
         var interval: Long = 250

library/src/main/java/com/qautomatron/kopi/library/element/ElementAssertions.kt

@@ -8,6 +8,7 @@ import androidx.test.espresso.ViewInteraction
 import androidx.test.espresso.assertion.ViewAssertions.doesNotExist
 import androidx.test.espresso.assertion.ViewAssertions.matches
 import androidx.test.espresso.matcher.ViewMatchers.*
+import com.qautomatron.kopi.library.matcher.IsNotMovingMatcher
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.runBlocking
 import org.hamcrest.Matchers.anyOf
@@ -105,4 +106,10 @@ interface ElementAssertions<T> {
      * @param resourceId expected text by resourceId
      */
     fun sameAs(resourceId: Int) = check(matches(withText(resourceId)))
+
+    /**
+     * Check element is not moving
+     * @param timeoutInMills
+     */
+    fun isNotMoving(timeoutInMills: Int? = null) = check(matches(IsNotMovingMatcher(timeoutInMills)))
 }

library/src/main/java/com/qautomatron/kopi/library/element/ElementWaits.kt

@@ -5,9 +5,13 @@ package com.qautomatron.kopi.library.element
 import android.view.View
 import androidx.test.espresso.Root
 import androidx.test.espresso.ViewAssertion
+import androidx.test.espresso.assertion.ViewAssertions
 import androidx.test.espresso.assertion.ViewAssertions.doesNotExist
 import androidx.test.espresso.matcher.ViewMatchers
+import androidx.test.espresso.matcher.ViewMatchers.withText
 import com.qautomatron.kopi.library.wait.ViewMatcherWaiter
+import org.hamcrest.CoreMatchers
+import org.hamcrest.CoreMatchers.containsString
 import org.hamcrest.Matcher
 import org.hamcrest.Matchers
 
@@ -54,6 +58,20 @@ interface ElementWaits<T> {
         return this as T
     }
 
+    fun waitToBeSelected() = this.waitFor(ViewAssertions.matches(ViewMatchers.isSelected()))
+    fun waitToBeEnabled() = this.waitFor(ViewAssertions.matches(ViewMatchers.isEnabled()))
+    fun waitToBeDisabled() = this.waitFor(
+        ViewAssertions.matches(
+            CoreMatchers.not(
+                ViewMatchers.isEnabled()
+            )
+        )
+    )
+    fun waitToBeClickable() = this.waitFor(ViewAssertions.matches(ViewMatchers.isClickable()))
+    fun waitForText(text: String) = this.waitFor(withText(text))
+    fun waitForText(resId: Int) = this.waitFor(withText(resId))
+    fun waitForTextContains(text: String) = this.waitFor(withText(containsString(text)))
+
     /**
      * Wait for specific matcher
      */

library/src/main/java/com/qautomatron/kopi/library/matcher/ChildViewCountMatcher.kt

@@ -0,0 +1,27 @@
+package com.qautomatron.kopi.library.matcher
+
+import android.view.View
+import android.view.ViewGroup
+import androidx.test.espresso.matcher.BoundedMatcher
+import org.hamcrest.Description
+import org.hamcrest.Matcher
+import org.hamcrest.TypeSafeMatcher
+
+fun withChildViewCount(count: Int, childMatcher: Matcher<View?>): Matcher<View?> {
+    return object : BoundedMatcher<View?, ViewGroup>(ViewGroup::class.java) {
+        override fun matchesSafely(viewGroup: ViewGroup): Boolean {
+            var matchCount = 0
+            for (i in 0 until viewGroup.childCount) {
+                if (childMatcher.matches(viewGroup.getChildAt(i))) {
+                    matchCount++
+                }
+            }
+            return matchCount == count
+        }
+
+        override fun describeTo(description: Description) {
+            description.appendText("ViewGroup with child-count=$count and")
+            childMatcher.describeTo(description)
+        }
+    }
+}

library/src/main/java/com/qautomatron/kopi/library/matcher/IsNotMovingMatcher.kt

@@ -0,0 +1,36 @@
+package com.qautomatron.kopi.library.matcher
+
+import android.os.SystemClock
+import android.view.View
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.runBlocking
+import org.hamcrest.Description
+import org.hamcrest.TypeSafeMatcher
+
+class IsNotMovingMatcher(private val timeoutInMills: Int?) : TypeSafeMatcher<View>() {
+
+    private val defaultTimeoutInMills: Int = 1000
+    private val pollingIntervalInMills: Int = 250
+
+    override fun matchesSafely(view: View): Boolean {
+        val endTime = SystemClock.elapsedRealtime() + (timeoutInMills ?: defaultTimeoutInMills)
+        val oldLocation = IntArray(2)
+        val newLocation = IntArray(2)
+
+        do {
+            view.getLocationOnScreen(oldLocation)
+            runBlocking { delay(pollingIntervalInMills.toLong()) }
+            view.getLocationOnScreen(newLocation)
+
+            if (newLocation.contentEquals(oldLocation)) {
+                return true
+            }
+        } while (SystemClock.elapsedRealtime() < endTime)
+
+        return false
+    }
+
+    override fun describeTo(description: Description) {
+        description.appendText("which is stop moving before $timeoutInMills")
+    }
+}

library/src/main/java/com/qautomatron/kopi/library/matcher/NthChildOfMatcher.kt

@@ -0,0 +1,21 @@
+package com.qautomatron.kopi.library.matcher
+
+import android.view.View
+import android.view.ViewGroup
+import org.hamcrest.Description
+import org.hamcrest.Matcher
+import org.hamcrest.TypeSafeMatcher
+
+class NthChildOfMatcher(val parentMatcher: Matcher<View>, val childPosition: Int) : TypeSafeMatcher<View>() {
+    override fun describeTo(description: Description) {
+        description.appendText("with $childPosition child view of type parentMatcher")
+    }
+
+    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
+    }
+}

library/src/main/java/com/qautomatron/kopi/library/matcher/ToastMatcher.kt

@@ -0,0 +1,32 @@
+package com.qautomatron.kopi.library.matcher
+
+import android.view.WindowManager
+import androidx.test.espresso.Root
+import org.hamcrest.Description
+import org.hamcrest.Matcher
+import org.hamcrest.TypeSafeMatcher
+
+class ToastMatcher : TypeSafeMatcher<Root>() {
+
+    override fun describeTo(description: Description) {
+        description.appendText("is toast")
+    }
+
+    public override fun matchesSafely(root: Root): Boolean {
+        val type = root.windowLayoutParams.get().type
+        if (type == WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY) {
+            val windowToken = root.decorView.windowToken
+            val appToken = root.decorView.applicationWindowToken
+            if (windowToken === appToken) {
+                // windowToken == appToken means this window isn't contained by any other windows.
+                // if it was a window for an activity, it would have TYPE_BASE_APPLICATION.
+                return true
+            }
+        }
+        return false
+    }
+
+    fun isToast(): Matcher<Root> {
+        return ToastMatcher()
+    }
+}

library/src/main/java/com/qautomatron/kopi/library/steps/DeviceSteps.kt

@@ -20,7 +20,7 @@ object DeviceSteps {
     /**
      * Wait for activity by name
      */
-    fun waitForActivity(fullName: String, timeoutInMillis: Int?, pollingInMillis: Int?) =
+    fun waitForActivity(fullName: String, timeoutInMillis: Int? = null, pollingInMillis: Int? = null) =
         Watcher.waitForCondition(WaitForActivity(fullName), timeoutInMillis, pollingInMillis)
 
     /**

sample/src/androidTest/kotlin/com/qautomatron/kopi/sample/ElementMatcherTest.kt

@@ -1,7 +1,9 @@
 package com.qautomatron.kopi.sample
 
+import androidx.test.espresso.assertion.ViewAssertions
 import androidx.test.espresso.matcher.ViewMatchers.withId
 import com.qautomatron.kopi.library.element.Element
+import com.qautomatron.kopi.library.matcher.IsNotMovingMatcher
 import com.qautomatron.kopi.library.matcher.first
 import org.junit.Test
 
@@ -10,10 +12,16 @@ import org.junit.Test
  */
 class ElementMatcherTest: BaseTest() {
 
-    private val element = Element(first(withId(R.id.sameId1)))
-
     @Test
     fun should_get_first_element() {
+        val element = Element(first(withId(R.id.sameId1)))
         element.sameAs("Text1")
     }
+
+    @Test
+    fun should_is_not_moving_matcher() {
+        val element = Element(withId(R.id.message_text))
+        val timeoutInMills = 1000
+        element.isNotMoving(timeoutInMills)
+    }
 }