From 108b886f43feeb861807deddfcb1ab241330e242 Mon Sep 17 00:00:00 2001
From: cyberta <cyberta@riseup.net>
Date: Thu, 19 Jan 2023 18:47:14 +0100
Subject: improve screenshot tests, run in different languages, test more
 Fragments/Activities

---
 .../androidTest/java/utils/CustomViewActions.java  | 89 ++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 app/src/androidTest/java/utils/CustomViewActions.java

(limited to 'app/src/androidTest/java/utils/CustomViewActions.java')

diff --git a/app/src/androidTest/java/utils/CustomViewActions.java b/app/src/androidTest/java/utils/CustomViewActions.java
new file mode 100644
index 00000000..fb0dcc27
--- /dev/null
+++ b/app/src/androidTest/java/utils/CustomViewActions.java
@@ -0,0 +1,89 @@
+package utils;
+
+import static androidx.test.espresso.matcher.ViewMatchers.isRoot;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+
+import android.view.View;
+
+import androidx.annotation.StringRes;
+import androidx.test.espresso.UiController;
+import androidx.test.espresso.ViewAction;
+import androidx.test.espresso.util.TreeIterables;
+
+import org.hamcrest.Matcher;
+
+public class CustomViewActions {
+
+    public static ViewAction waitForView(int viewId, long timeout) {
+        return new ViewAction() {
+
+            @Override
+            public String getDescription() {
+                return "Wait for view with specific id \n@param viewId: resource ID \n@param timeout: timeout in milli seconds.";
+            }
+
+            @Override
+            public Matcher<View> getConstraints() {
+                return isRoot();
+            }
+
+            @Override
+            public void perform(UiController uiController, View view) {
+                uiController.loopMainThreadUntilIdle();
+                long startTime = System.currentTimeMillis();
+                long endTime = startTime + timeout;
+                Matcher viewMatcher = withId(viewId);
+
+                while (System.currentTimeMillis() < endTime) {
+                    // Iterate through all views on the screen and see if the view we are looking for is there already
+                    for (View child : TreeIterables.breadthFirstViewTraversal(view)) {
+                        // found view with required ID
+                        if (viewMatcher.matches(child)) {
+                            return;
+                        }
+                    }
+                    // Loops the main thread for a specified period of time.
+                    // Control may not return immediately, instead it'll return after the provided delay has passed and the queue is in an idle state again.
+                    uiController.loopMainThreadForAtLeast(100);
+                }
+            }
+        };
+    }
+
+    public static ViewAction waitForText(@StringRes int textId, long timeout) {
+        return new ViewAction() {
+
+            @Override
+            public String getDescription() {
+                return "Wait for view with specific id \n@param viewId: resource ID \n@param timeout: timeout in milli seconds.";
+            }
+
+            @Override
+            public Matcher<View> getConstraints() {
+                return isRoot();
+            }
+
+            @Override
+            public void perform(UiController uiController, View view) {
+                uiController.loopMainThreadUntilIdle();
+                long startTime = System.currentTimeMillis();
+                long endTime = startTime + timeout;
+                Matcher viewMatcher = withText(textId);
+
+                while (System.currentTimeMillis() < endTime) {
+                    // Iterate through all views on the screen and see if the view we are looking for is there already
+                    for (View child : TreeIterables.breadthFirstViewTraversal(view)) {
+                        // found view with required ID
+                        if (viewMatcher.matches(child)) {
+                            return;
+                        }
+                    }
+                    // Loops the main thread for a specified period of time.
+                    // Control may not return immediately, instead it'll return after the provided delay has passed and the queue is in an idle state again.
+                    uiController.loopMainThreadForAtLeast(100);
+                }
+            }
+        };
+    }
+}
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