1 files changed, 129 insertions, 0 deletions
diff --git a/sample/src/androidTest/kotlin/ca/allanwang/kau/sample/KPrefViewTest.kt b/sample/src/androidTest/kotlin/ca/allanwang/kau/sample/KPrefViewTest.kt
new file mode 100644
index 0000000..72199cf
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+++ b/sample/src/androidTest/kotlin/ca/allanwang/kau/sample/KPrefViewTest.kt
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package ca.allanwang.kau.sample
+
+import android.view.View
+import android.widget.CheckBox
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.ViewInteraction
+import androidx.test.espresso.action.ViewActions.click
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.BoundedMatcher
+import androidx.test.espresso.matcher.ViewMatchers.withChild
+import androidx.test.espresso.matcher.ViewMatchers.withText
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.MediumTest
+import androidx.test.rule.ActivityTestRule
+import org.hamcrest.BaseMatcher
+import org.hamcrest.Description
+import org.hamcrest.Matcher
+import org.hamcrest.Matchers.allOf
+import org.hamcrest.Matchers.instanceOf
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * Created by Allan Wang on 21/12/2018.
+ *
+ * Tests related to the :kpref-activity module
+ */
+@RunWith(AndroidJUnit4::class)
+@MediumTest
+class KPrefViewTest {
+
+    @get:Rule
+    val activity: ActivityTestRule<MainActivity> = ActivityTestRule(MainActivity::class.java)
+
+    fun verifyCheck(checked: Boolean): Matcher<View> {
+        return object : BoundedMatcher<View, View>(View::class.java) {
+
+            override fun describeTo(description: Description) {
+                description.appendText("Checkbox is ${if (checked) "checked" else "not checked"}")
+            }
+
+            override fun matchesSafely(item: View): Boolean =
+                item.findViewById<CheckBox>(R.id.kau_pref_inner_content).isChecked == checked
+        }
+    }
+
+    inline fun <reified T : View> ViewInteraction.checkInnerContent(
+        desc: String,
+        crossinline matcher: (T) -> Boolean
+    ): ViewInteraction {
+        val viewMatcher = object : BaseMatcher<View>() {
+            override fun describeTo(description: Description) {
+                description.appendText(desc)
+            }
+
+            override fun matches(item: Any?): Boolean {
+                val view = item as? View ?: return false
+                val inner = view.findViewById<View>(R.id.kau_pref_inner_content) as? T
+                    ?: return false
+                return matcher(inner)
+            }
+        }
+        return check(matches(viewMatcher))
+    }
+
+    fun ViewInteraction.verifyCheck(tag: String, checked: Boolean, enabled: Boolean = true) =
+        checkInnerContent<CheckBox>("$tag should be ${if (checked) "checked" else "not checked"}") {
+            it.isChecked == checked
+        }.check { view, _ ->
+            ((view.alpha == 1f) == enabled)
+        }
+
+    fun onCheckboxView(vararg matchers: Matcher<View>) =
+        onView(allOf(*matchers, withChild(withChild(instanceOf(CheckBox::class.java)))))
+
+    @Test
+    fun basicCheckboxToggle() {
+        val checkbox1 = onCheckboxView(withChild(withText(R.string.checkbox_1)))
+
+        val initiallyChecked = KPrefSample.check1
+
+        checkbox1.verifyCheck("checkbox1 init", initiallyChecked)
+        checkbox1.perform(click())
+        checkbox1.verifyCheck("checkbox1 after click", !initiallyChecked)
+    }
+
+    /**
+     * Note that checkbox3 depends on checkbox2
+     */
+    @Test
+    fun dependentCheckboxToggle() {
+        val checkbox2 = onCheckboxView(withChild(withText(R.string.checkbox_2)))
+        val checkbox3 =
+            onCheckboxView(withChild(withText(R.string.checkbox_3)), withChild(withText(R.string.desc_dependent)))
+
+        // normalize so that both are checked
+        if (!KPrefSample.check2)
+            checkbox2.perform(click())
+        if (!KPrefSample.check3)
+            checkbox3.perform(click())
+
+        checkbox3.verifyCheck("checkbox3 init", true, true)
+        checkbox3.perform(click())
+        checkbox3.verifyCheck("checkbox3 after click", false, true)
+
+        checkbox2.perform(click())
+        checkbox2.verifyCheck("checkbox2 after click", false, true)
+        checkbox3.verifyCheck("checkbox3 after checkbox2 click", false, false)
+
+        checkbox3.perform(click())
+        checkbox3.verifyCheck("checkbox3 after disabled click", false, false)
+    }
+}