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pytest: store output of tested script #180

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Merged
merged 1 commit into from
May 5, 2022
Merged

pytest: store output of tested script #180

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6 changes: 5 additions & 1 deletion pytest/pytest.go
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,9 @@ func RunBenchmarks(b *testing.B, testDir string) {
// RunScript runs the provided path to a script.
// RunScript captures the stdout and stderr while executing the script
// and compares it to a golden file:
// RunScript("./testdata/foo.py")
//
// RunScript("./testdata/foo.py")
//
// will compare the output with "./testdata/foo_golden.txt".
func RunScript(t *testing.T, fname string) {
opts := py.DefaultContextOpts()
Expand Down Expand Up @@ -180,6 +182,8 @@ func RunScript(t *testing.T, fname string) {

diff := cmp.Diff(string(want), string(got))
if !bytes.Equal(got, want) {
out := fname[:len(fname)-len(".py")] + ".txt"
_ = os.WriteFile(out, got, 0644)
t.Fatalf("output differ: -- (-ref +got)\n%s", diff)
}
}