1[short] skip
2
3env GO111MODULE=on
4env GOCACHE=$WORK/gocache
5env GODEBUG=gocachetest=1
6
7# The first run of a test should not be cached.
8# The second run should be.
9go test -run=WriteTmp .
10! stdout '(cached)'
11go test -run=WriteTmp .
12stdout '(cached)'
13
14# 'go test' without arguments should never be cached.
15go test -run=WriteTmp
16! stdout '(cached)'
17go test -run=WriteTmp
18! stdout '(cached)'
19
20# We should never cache a test run from command-line files.
21go test -run=WriteTmp ./foo_test.go
22! stdout '(cached)'
23go test -run=WriteTmp ./foo_test.go
24! stdout '(cached)'
25
26[!exec:sleep] stop
27# The go command refuses to cache access to files younger than 2s, so sleep that long.
28exec sleep 2
29
30# Touching a file that the test reads from within its testdata should invalidate the cache.
31go test -run=ReadTestdata .
32! stdout '(cached)'
33go test -run=ReadTestdata .
34stdout '(cached)'
35cp testdata/bar.txt testdata/foo.txt
36go test -run=ReadTestdata .
37! stdout '(cached)'
38
39-- go.mod --
40module golang.org/issue/29111/foo
41
42-- foo.go --
43package foo
44
45-- testdata/foo.txt --
46foo
47-- testdata/bar.txt --
48bar
49
50-- foo_test.go --
51package foo_test
52
53import (
54 "os"
55 "path/filepath"
56 "testing"
57)
58
59func TestWriteTmp(t *testing.T) {
60 dir, err := os.MkdirTemp("", "")
61 if err != nil {
62 t.Fatal(err)
63 }
64 defer os.RemoveAll(dir)
65 err = os.WriteFile(filepath.Join(dir, "x"), nil, 0666)
66 if err != nil {
67 t.Fatal(err)
68 }
69}
70
71func TestReadTestdata(t *testing.T) {
72 _, err := os.ReadFile("testdata/foo.txt")
73 if err != nil {
74 t.Fatal(err)
75 }
76}
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