Add UI test for SentryModifier

Author: markushi

buildSrc/src/main/java/Config.kt

@@ -201,6 +201,8 @@ object Config {
         val javaFaker = "com.github.javafaker:javafaker:1.0.2"
         val msgpack = "org.msgpack:msgpack-core:0.9.8"
         val leakCanaryInstrumentation = "com.squareup.leakcanary:leakcanary-android-instrumentation:2.14"
+        val composeUiTestJunit4 = "androidx.compose.ui:ui-test-junit4:$composeVersion"
+        val composeUiTestManifest = "androidx.compose.ui:ui-test-manifest:$composeVersion"
     }
 
     object QualityPlugins {

sentry-android-integration-tests/sentry-uitest-android/build.gradle.kts

@@ -112,6 +112,9 @@ dependencies {
     implementation(Config.TestLibs.espressoIdlingResource)
     implementation(Config.Libs.leakCanary)
 
+    androidTestImplementation(Config.TestLibs.composeUiTestJunit4)
+    debugImplementation(Config.TestLibs.composeUiTestManifest)
+
     compileOnly(Config.CompileOnly.nopen)
     errorprone(Config.CompileOnly.nopenChecker)
     errorprone(Config.CompileOnly.errorprone)

sentry-android-integration-tests/sentry-uitest-android/src/androidTest/java/io/sentry/uitest/android/SentryModifierComposeTest.kt

@@ -0,0 +1,35 @@
+package io.sentry.uitest.android
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.test.SemanticsMatcher
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import io.sentry.compose.SentryModifier
+import io.sentry.compose.SentryModifier.sentryTag
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class SentryModifierComposeTest : BaseUiTest() {
+
+    companion object {
+        private const val TAG_VALUE = "ExampleTagValue"
+    }
+
+    @get:Rule
+    val rule = createComposeRule()
+
+    @Test
+    fun sentryModifierAppliesTag() {
+        rule.setContent {
+            Box(modifier = Modifier.sentryTag(TAG_VALUE))
+        }
+        rule.onNode(
+            SemanticsMatcher(TAG_VALUE) {
+                it.config.find { (key, _) -> key.name == SentryModifier.TAG }?.value == TAG_VALUE
+            }
+        ).assertExists()
+    }
+}