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Fix make cover to include /exp packages #1316

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merged 2 commits into from
Aug 3, 2023
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@sywhang sywhang commented Aug 3, 2023

Currently make cover did not include coverage from exp/ packages because it was targeting only the root package.

This fixes the command so that it can include sub modules.

Before:

❯ make cover
go test -race -coverprofile=cover.out -coverpkg=./... ./...
?   	go.uber.org/zap/internal	[no test files]
?   	go.uber.org/zap/internal/bufferpool	[no test files]
?   	go.uber.org/zap/internal/readme	[no test files]
ok  	go.uber.org/zap	1.877s	coverage: 99.5% of statements in ./...
ok  	go.uber.org/zap/buffer	0.228s	coverage: 89.7% of statements in ./...
ok  	go.uber.org/zap/internal/color	0.353s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/exit	0.424s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/pool	0.506s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/ztest	0.566s	coverage: 15.4% of statements in ./...
ok  	go.uber.org/zap/zapcore	2.958s	coverage: 6.0% of statements in ./...
ok  	go.uber.org/zap/zapgrpc	0.524s	coverage: 8.2% of statements in ./...
ok  	go.uber.org/zap/zapio	0.560s	coverage: 5.8% of statements in ./...
ok  	go.uber.org/zap/zaptest	0.710s	coverage: 11.7% of statements in ./...
ok  	go.uber.org/zap/zaptest/observer	0.463s	coverage: 7.9% of statements in ./...
go tool cover -html=cover.out -o cover.html

After:

❯ make cover
?   	go.uber.org/zap/internal	[no test files]
?   	go.uber.org/zap/internal/bufferpool	[no test files]
?   	go.uber.org/zap/internal/readme	[no test files]
ok  	go.uber.org/zap	1.921s	coverage: 99.5% of statements in ./...
ok  	go.uber.org/zap/buffer	0.591s	coverage: 89.7% of statements in ./...
ok  	go.uber.org/zap/internal/color	0.396s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/exit	0.677s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/pool	0.929s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/ztest	0.798s	coverage: 15.4% of statements in ./...
ok  	go.uber.org/zap/zapcore	3.273s	coverage: 6.0% of statements in ./...
ok  	go.uber.org/zap/zapgrpc	0.972s	coverage: 8.2% of statements in ./...
ok  	go.uber.org/zap/zapio	1.071s	coverage: 5.8% of statements in ./...
ok  	go.uber.org/zap/zaptest	1.204s	coverage: 11.7% of statements in ./...
ok  	go.uber.org/zap/zaptest/observer	0.887s	coverage: 7.9% of statements in ./...
ok  	go.uber.org/zap/exp/zapfield	0.206s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/exp/zapslog	0.396s	coverage: 84.4% of statements in ./...
ok  	go.uber.org/zap/benchmarks	0.197s	coverage: [no statements] [no tests to run]
ok  	go.uber.org/zap/zapgrpc/internal/test	0.213s	coverage: [no statements]

Currently `make cover` did not include coverage from exp/ packages
because it was targeting only the root package.

This fixes the command so that it can include sub modules.

Before:
```
❯ make cover
go test -race -coverprofile=cover.out -coverpkg=./... ./...
?   	go.uber.org/zap/internal	[no test files]
?   	go.uber.org/zap/internal/bufferpool	[no test files]
?   	go.uber.org/zap/internal/readme	[no test files]
ok  	go.uber.org/zap	1.877s	coverage: 99.5% of statements in ./...
ok  	go.uber.org/zap/buffer	0.228s	coverage: 89.7% of statements in ./...
ok  	go.uber.org/zap/internal/color	0.353s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/exit	0.424s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/pool	0.506s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/ztest	0.566s	coverage: 15.4% of statements in ./...
ok  	go.uber.org/zap/zapcore	2.958s	coverage: 6.0% of statements in ./...
ok  	go.uber.org/zap/zapgrpc	0.524s	coverage: 8.2% of statements in ./...
ok  	go.uber.org/zap/zapio	0.560s	coverage: 5.8% of statements in ./...
ok  	go.uber.org/zap/zaptest	0.710s	coverage: 11.7% of statements in ./...
ok  	go.uber.org/zap/zaptest/observer	0.463s	coverage: 7.9% of statements in ./...
go tool cover -html=cover.out -o cover.html
```

After:
```
❯ make cover
?   	go.uber.org/zap/internal	[no test files]
?   	go.uber.org/zap/internal/bufferpool	[no test files]
?   	go.uber.org/zap/internal/readme	[no test files]
ok  	go.uber.org/zap	1.921s	coverage: 99.5% of statements in ./...
ok  	go.uber.org/zap/buffer	0.591s	coverage: 89.7% of statements in ./...
ok  	go.uber.org/zap/internal/color	0.396s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/exit	0.677s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/pool	0.929s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/internal/ztest	0.798s	coverage: 15.4% of statements in ./...
ok  	go.uber.org/zap/zapcore	3.273s	coverage: 6.0% of statements in ./...
ok  	go.uber.org/zap/zapgrpc	0.972s	coverage: 8.2% of statements in ./...
ok  	go.uber.org/zap/zapio	1.071s	coverage: 5.8% of statements in ./...
ok  	go.uber.org/zap/zaptest	1.204s	coverage: 11.7% of statements in ./...
ok  	go.uber.org/zap/zaptest/observer	0.887s	coverage: 7.9% of statements in ./...
ok  	go.uber.org/zap/exp/zapfield	0.206s	coverage: 100.0% of statements in ./...
ok  	go.uber.org/zap/exp/zapslog	0.396s	coverage: 84.4% of statements in ./...
ok  	go.uber.org/zap/benchmarks	0.197s	coverage: [no statements] [no tests to run]
ok  	go.uber.org/zap/zapgrpc/internal/test	0.213s	coverage: [no statements]
```
@sywhang sywhang requested a review from abhinav August 3, 2023 16:18
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codecov bot commented Aug 3, 2023

Codecov Report

Merging #1316 (a2e5f59) into master (9c3c581) will decrease coverage by 0.33%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1316      +/-   ##
==========================================
- Coverage   97.93%   97.61%   -0.33%     
==========================================
  Files          50       52       +2     
  Lines        3249     3355     +106     
==========================================
+ Hits         3182     3275      +93     
- Misses         57       69      +12     
- Partials       10       11       +1     

see 2 files with indirect coverage changes

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@sywhang sywhang merged commit 5da8736 into uber-go:master Aug 3, 2023
5 checks passed
@sywhang sywhang deleted the coverage branch August 3, 2023 17:28
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3 participants