Before-and-after comparison for Aqar API, UM Billing API, and UM Billing API Comp
23 August 2026SonarQube
Test coverage after improvement
Aqar API From 14.8% to
76.6%
UM Billing API From 5.5% to
83.7%
UM Billing API Comp From 19.3% to
86.9%
ACHIEVEMENT
A measurable quality transformation
Latest Quality Gates
3 / 3
Aqar, UM Billing, and Billing Comp all passed.
Aqar API · Coverage
+61.8 pp
Increased from 14.8% to 76.6%.
UM Billing API · Coverage
+78.2 pp
Increased from 5.5% to 83.7%.
UM Billing Comp · Coverage
+67.6 pp
Increased from 19.3% to 86.9%.
Headline result: every latest analysis passes the Quality Gate, every displayed issue count is zero, and all three codebases exceed the 76% coverage target while remaining below the 2.5% duplication limit.
BASELINE
Aqar API — Before
BEFORE
RESULT
Aqar API — After
AFTER
MEASURED IMPACT
Impact on Aqar API
Test coverage
Before
14.8%
After
76.6%
Duplicated lines · 20% scale
Before
17.6%
After
2.4%
BASELINE
UM Billing API — Before
BEFORE
RESULT
UM Billing API — After
AFTER
MEASURED IMPACT
Impact on UM Billing API
Test coverage
Before
5.5%
After
83.7%
Duplicated lines · 10% scale
Before
4.0%
After
0.9%
BASELINE
UM Billing API Comp — Before
BEFORE
RESULT
UM Billing API Comp — After
AFTER
MEASURED IMPACT
Impact on UM Billing API Comp
Test coverage
Before
19.3%
After
86.9%
Duplicated lines · 10% scale
Before
8.0%
After
1.4%
DELIVERY STORY
From a December target to one-sprint delivery
DEC
The original plan
Complete UM API automated test coverage by December 2026.
Year-end target
1×
AI-assisted sprint
AI accelerated test design, analysis, and iteration—moving UM Billing coverage from 5.5% to 83.7% in one sprint.
76% target exceeded
+2
Same-month platform delivery
The team also integrated the ELK Stack and Redis during the same month.
Two parallel integrations
The achievement: a year-end quality milestone was delivered early while two major platform capabilities were added in parallel.
