SalesSheet.ai — Test Coverage

Test Coverage: Before vs After

Data operations test coverage improvement after extracting 6 service modules

12%
Before
Monolith components
+77%
coverage increase
89%
After
Service layer

Coverage by Service

activitiesService
94%
commentsService
91%
deletedContactsService
88%
changeHistoryService
92%
emailsDatabaseService
85%
reportService
82%

Key Metrics

Component file size (avg)860 lines → 270 lines
Duplicated queries47 → 0
Avg feature dev time-40%
Total service tests892
Extraction period6 weeks