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dataconnect: demo: build.gradle.kts: add ability to specify the Data Connect emulator executable to use #7032

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@dconeybe dconeybe commented Jun 13, 2025

Enhance the Data Connect demo's Gradle build configuration by introducing a new option to explicitly define the path to the Data Connect emulator executable. This provides flexibility for developers who may need to use a specific version or a locally-built emulator binary instead of relying on the one automatically managed by the Firebase CLI.

Highlights

  • Emulator Executable Path: Added ability to specify the path to the Data Connect emulator executable via a new Gradle property (dataConnect.demo.dataConnectEmulatorExecutable). This allows overriding the default emulator used by the firebase command.
  • Environment Variable: When the custom emulator path is provided, the build script now sets the DATACONNECT_EMULATOR_BINARY_PATH environment variable before executing the firebase command, instructing it to use the specified binary.
  • Gradle Property Naming: Updated the Gradle property names used in the demo build from dataConnect.minimalApp.* to dataConnect.demo.* for consistency.

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Summary of Changes

Hello @dconeybe, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the Data Connect demo's Gradle build configuration by introducing a new option to explicitly define the path to the Data Connect emulator executable. This provides flexibility for developers who may need to use a specific version or a locally built emulator binary instead of relying on the one automatically managed by the Firebase CLI.

Highlights

  • Emulator Executable Path: I've added the ability to specify the path to the Data Connect emulator executable via a new Gradle property (dataConnect.demo.dataConnectEmulatorExecutable). This allows overriding the default emulator used by the firebase command.
  • Environment Variable: When the custom emulator path is provided, the build script now sets the DATACONNECT_EMULATOR_BINARY_PATH environment variable before executing the firebase command, instructing it to use the specified binary.
  • Gradle Property Naming: I've updated the Gradle property names used in the demo build from dataConnect.minimalApp.* to dataConnect.demo.* for consistency.
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Code Review

This pull request introduces the ability to specify a custom Data Connect emulator executable for the demo project. This is achieved by adding a new Gradle property, dataConnect.demo.dataConnectEmulatorExecutable, which, if set, will cause the DATACONNECT_EMULATOR_BINARY_PATH environment variable to be configured when running Firebase commands.

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github-actions bot commented Jun 13, 2025

Test Results

 1 096 files  + 1 030   1 096 suites  +1 030   36m 46s ⏱️ + 35m 30s
 5 985 tests + 5 426   5 962 ✅ + 5 404  22 💤 +21  1 ❌ +1 
12 681 runs  +11 563  12 636 ✅ +11 520  44 💤 +42  1 ❌ +1 

For more details on these failures, see this check.

Results for commit ebe4310. ± Comparison against base commit 01694b4.

♻️ This comment has been updated with latest results.

@dconeybe dconeybe requested a review from Copilot June 13, 2025 16:24
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Pull Request Overview

This PR enhances the Data Connect demo’s Gradle build by adding the ability to override the emulator executable path.

  • Introduces a new Gradle property for specifying a custom Data Connect emulator binary.
  • Passes the custom binary path to the Firebase CLI through an environment variable.
  • Updates property naming from minimalApp to demo for consistency.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File Description
firebase-dataconnect/demo/gradle.properties Adds documentation for new Gradle properties including the emulator path.
firebase-dataconnect/demo/build.gradle.kts Introduces new inputs and passes the custom emulator executable to the Firebase CLI.
.github/workflows/dataconnect_demo_app.yml Updates command-line Gradle property references from minimalApp to demo.
Comments suppressed due to low confidence (1)

firebase-dataconnect/demo/build.gradle.kts:228

  • Consider using dataConnectEmulatorExecutable.absolutePath when setting the environment variable to ensure a string path is passed to the Firebase CLI.
if (dataConnectEmulatorExecutable !== null) {

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google-oss-bot commented Jun 13, 2025

Size Report 1

Affected Products

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Test Logs

  1. https://storage.googleapis.com/firebase-sdk-metric-reports/rFGOpK1fNy.html

…stead of just `dataConnectEmulatorExecutable`
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Coverage Report 1

This report is too large (221,703 characters) to be displayed here in a GitHub comment. Please use the below link to see the full report on Google Cloud Storage.

Test Logs

  1. https://storage.googleapis.com/firebase-sdk-metric-reports/qu0hSuRUix.html

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