test: adds analytics verification to unified ramps flow

[christopherferreira9]

Description

This PR adds e2e coverage for analytics events fired during the unified onramps flow.
Events checked:

• Ramps Button Clicked
• Ramps Token Selected

Changelog

CHANGELOG entry:

Related issues

Fixes: https://consensyssoftware.atlassian.net/browse/MMQA-1425

Manual testing steps

N/A

Screenshots/Recordings

N/A

Before

N/A

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I've included tests if applicable
• I've documented my code using JSDoc format if applicable
• I've applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

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Note

Low Risk
Test-only changes that add stricter analytics assertions; risk is mainly increased e2e flakiness if event schemas or timing change.

Overview
Adds analytics verification to the onramp-unified-buy smoke test by capturing Segment/MetaMetrics events from the mock server at teardown and asserting expected events were emitted.

Introduces a second test that soft-asserts required properties and key values for Ramps Button Clicked and Ramps Token Selected, including region parsing/validation and routing/token/network expectations for the unified buy flow.

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🔍 Smart E2E Test Selection

• Selected E2E tags: SmokeRamps
• Selected Performance tags: None (no tests recommended)
• Risk Level: low
• AI Confidence: 95%

click to see 🤖 AI reasoning details

E2E Test Selection:
The change is limited to a single E2E test file tests/smoke/ramps/onramp-unified-buy.spec.ts. The modifications add analytics event validation to an existing onramp unified buy test:

1. Added imports for analytics helpers (getEventsPayloads, EventPayload), SoftAssert, RampsRegion, and UnifiedRampRoutingType
2. Added constants for expected analytics events (RampsButtonClicked, RampsTokenSelected)
3. Modified the existing 'build quote' test to capture analytics events via endTestfn callback
4. Added a new test case 'validates the segment events from the onramp unified buy test' that validates the captured analytics events

This is a test-only change with no application code modifications. The test file uses the SmokeRamps tag (visible in the code via describe(SmokeRamps('Onramp Unified Buy'), ...)). Running SmokeRamps will validate that the test changes work correctly. No other tags are needed as there are no changes to shared components, page objects, or application code that would affect other test suites.

Performance Test Selection:
No performance tests needed. This change is purely a test file modification that adds analytics event validation to an existing ramps test. There are no application code changes that could impact UI rendering, data loading, state management, or any user-facing performance characteristics.

View GitHub Actions results

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud