1go test -cpu=1 -run=X/Y -bench=X/Y -count=2 -v testregexp
2
3# Test the following:
4
5# TestX is run, twice
6stdout -count=2 '^=== RUN TestX$'
7stdout -count=2 '^ x_test.go:6: LOG: X running$'
8
9# TestX/Y is run, twice
10stdout -count=2 '^=== RUN TestX/Y$'
11stdout -count=2 '^ x_test.go:8: LOG: Y running$'
12
13# TestXX is run, twice
14stdout -count=2 '^=== RUN TestXX$'
15stdout -count=2 '^ z_test.go:10: LOG: XX running'
16
17# TestZ is not run
18! stdout '^=== RUN TestZ$'
19
20# BenchmarkX is run with N=1 once, only to discover what sub-benchmarks it has,
21# and should not print a final summary line.
22stdout -count=1 '^ x_test.go:13: LOG: X running N=1$'
23! stdout '^\s+BenchmarkX: x_test.go:13: LOG: X running N=\d\d+'
24! stdout 'BenchmarkX\s+\d+'
25
26# Same for BenchmarkXX.
27stdout -count=1 '^ z_test.go:18: LOG: XX running N=1$'
28! stdout '^ z_test.go:18: LOG: XX running N=\d\d+'
29! stdout 'BenchmarkXX\s+\d+'
30
31# BenchmarkX/Y is run in full twice due to -count=2.
32# "Run in full" means that it runs for approximately the default benchtime,
33# but may cap out at N=1e9.
34# We don't actually care what the final iteration count is, but it should be
35# a large number, and the last iteration count prints right before the results.
36stdout -count=2 '^ x_test.go:15: LOG: Y running N=[1-9]\d{4,}\nBenchmarkX/Y\s+\d+'
37
38-- go.mod --
39module testregexp
40
41go 1.16
42-- x_test.go --
43package x
44
45import "testing"
46
47func TestX(t *testing.T) {
48 t.Logf("LOG: X running")
49 t.Run("Y", func(t *testing.T) {
50 t.Logf("LOG: Y running")
51 })
52}
53
54func BenchmarkX(b *testing.B) {
55 b.Logf("LOG: X running N=%d", b.N)
56 b.Run("Y", func(b *testing.B) {
57 b.Logf("LOG: Y running N=%d", b.N)
58 })
59}
60-- z_test.go --
61package x
62
63import "testing"
64
65func TestZ(t *testing.T) {
66 t.Logf("LOG: Z running")
67}
68
69func TestXX(t *testing.T) {
70 t.Logf("LOG: XX running")
71}
72
73func BenchmarkZ(b *testing.B) {
74 b.Logf("LOG: Z running N=%d", b.N)
75}
76
77func BenchmarkXX(b *testing.B) {
78 b.Logf("LOG: XX running N=%d", b.N)
79}
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