Published
January 17, 2025
5 mins read

Testing Android Applications Built with Jetpack Compose

Testing Jetpack Compose apps requires reliable methods to identify composables, as traditional view-based tools fall short. This blog explores how Mockingjay uses text properties and accessibility test tags to enable precise and efficient testing for modern Android apps.

Interacting with Composables Using Text

Mockingjay simplifies the testing process by using the text property of composables to identify and interact with them. Consider the following example:

Text(
   text = "Like",
   modifier = Modifier.fillMaxWidth(),
   textAlign = TextAlign.Center,
   style = MaterialTheme.typography.titleMedium,
   fontWeight = FontWeight.Bold
)

In this instance, Mockingjay identifies the composable by its text property, "Like." This approach ensures that Mockingjay interacts with the correct element, making your testing resilient even as application layouts evolve.

Interacting with Composables Using Accessibility Tags

Mockingjay also supports interacting with composables using accessibility test tags as resource IDs. When a composable exposes a test tag, Mockingjay can use it as an identifier for interaction. For example:

FloatingActionButton(
   onClick = onClick,
   modifier = Modifier
       .semantics { testTagsAsResourceId = true }
       .testTag("Add")
) {
   Icon(Icons.Filled.Add, contentDescription = "")
}

In this case, the testTag("Add") acts as a unique identifier, allowing Mockingjay to locate and interact with the FloatingActionButton accurately. This method provides flexibility in testing non-textual or dynamic composables.

Advantages for Jetpack Compose Testing

Mockingjay's approach to testing Jetpack Compose-based applications offers several key benefits:

  • Resilience to Modern UI Changes: Composables defined with text or test tags act as stable identifiers that are unaffected by structural or layout updates.
  • Reliability Across App Versions: Robust identification methods ensure consistent results, even as your app grows and evolves.
  • Ease of Automation: By focusing on standardized, reusable attributes, Mockingjay enables simple and effective integration with automated testing workflows.

Elevate Your Jetpack Compose Tests with Mockingjay

Mockingjay’s managed QA platform is purpose-built for the modern Android development lifecycle, including robust support for Jetpack Compose. By combining automation with Humans-in-the-Loop, Mockingjay ensures efficient and reliable testing without compromising quality. Whether you're scaling a new Jetpack Compose app or refining an existing one, Mockingjay is your trusted partner for seamless end-to-end testing.

Take the guesswork out of quality assurance—partner with Mockingjay today and experience QA built for the future of Android development! Start with Mockingjay now.

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