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cmd/go: convert TestTestCacheInputs to a script test
Updates #28387 Updates #30316 Change-Id: I48c6dd8619ea9602e9617ce11dfa05f1c70a485d Reviewed-on: https://go-review.googlesource.com/c/go/+/207958 Reviewed-by: Jay Conrod <jayconrod@google.com>
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Bryan C. Mills
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Nov 19, 2019
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,230 @@ | ||
| env GO111MODULE=off | ||
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| # Test that cached test results are invalidated in response to | ||
| # changes to the external inputs to the test. | ||
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| [short] skip | ||
| [GODEBUG:gocacheverify=1] skip | ||
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| # We're testing cache behavior, so start with a clean GOCACHE. | ||
| env GOCACHE=$WORK/cache | ||
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| # Build a helper binary to invoke os.Chtimes. | ||
| go build -o mkold$GOEXE mkold.go | ||
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| # Make test input files appear to be a minute old. | ||
| exec ./mkold$GOEXE 1m testcache/file.txt | ||
| exec ./mkold$GOEXE 1m testcache/script.sh | ||
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| # If the test reads an environment variable, changes to that variable | ||
| # should invalidate cached test results. | ||
| env TESTKEY=x | ||
| go test testcache -run=TestLookupEnv | ||
| go test testcache -run=TestLookupEnv | ||
| stdout '\(cached\)' | ||
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| env TESTKEY=y | ||
| go test testcache -run=TestLookupEnv | ||
| ! stdout '\(cached\)' | ||
| go test testcache -run=TestLookupEnv | ||
| stdout '\(cached\)' | ||
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| # If the test stats a file, changes to the file should invalidate the cache. | ||
| go test testcache -run=FileSize | ||
| go test testcache -run=FileSize | ||
| stdout '\(cached\)' | ||
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| cp 4x.txt testcache/file.txt | ||
| go test testcache -run=FileSize | ||
| ! stdout '\(cached\)' | ||
| go test testcache -run=FileSize | ||
| stdout '\(cached\)' | ||
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| # Files should be tracked even if the test changes its working directory. | ||
| go test testcache -run=Chdir | ||
| go test testcache -run=Chdir | ||
| stdout '\(cached\)' | ||
| cp 6x.txt testcache/file.txt | ||
| go test testcache -run=Chdir | ||
| ! stdout '\(cached\)' | ||
| go test testcache -run=Chdir | ||
| stdout '\(cached\)' | ||
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| # The content of files should affect caching, provided that the mtime also changes. | ||
| exec ./mkold$GOEXE 1m testcache/file.txt | ||
| go test testcache -run=FileContent | ||
| go test testcache -run=FileContent | ||
| stdout '\(cached\)' | ||
| cp 2y.txt testcache/file.txt | ||
| exec ./mkold$GOEXE 50s testcache/file.txt | ||
| go test testcache -run=FileContent | ||
| ! stdout '\(cached\)' | ||
| go test testcache -run=FileContent | ||
| stdout '\(cached\)' | ||
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| # Directory contents read via os.ReadDirNames should affect caching. | ||
| go test testcache -run=DirList | ||
| go test testcache -run=DirList | ||
| stdout '\(cached\)' | ||
| rm testcache/file.txt | ||
| go test testcache -run=DirList | ||
| ! stdout '\(cached\)' | ||
| go test testcache -run=DirList | ||
| stdout '\(cached\)' | ||
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| # Files outside GOROOT and GOPATH should not affect caching. | ||
| env TEST_EXTERNAL_FILE=$WORK/external.txt | ||
| go test testcache -run=ExternalFile | ||
| go test testcache -run=ExternalFile | ||
| stdout '\(cached\)' | ||
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| rm $WORK/external.txt | ||
| go test testcache -run=ExternalFile | ||
| stdout '\(cached\)' | ||
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| # Executables within GOROOT and GOPATH should affect caching, | ||
| # even if the test does not stat them explicitly. | ||
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| [!exec:/bin/sh] skip | ||
| chmod 0755 ./testcache/script.sh | ||
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| exec ./mkold$GOEXEC 1m testcache/script.sh | ||
| go test testcache -run=Exec | ||
| go test testcache -run=Exec | ||
| stdout '\(cached\)' | ||
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| exec ./mkold$GOEXE 50s testcache/script.sh | ||
| go test testcache -run=Exec | ||
| ! stdout '\(cached\)' | ||
| go test testcache -run=Exec | ||
| stdout '\(cached\)' | ||
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| -- testcache/file.txt -- | ||
| xx | ||
| -- 4x.txt -- | ||
| xxxx | ||
| -- 6x.txt -- | ||
| xxxxxx | ||
| -- 2y.txt -- | ||
| yy | ||
| -- $WORK/external.txt -- | ||
| This file is outside of GOPATH. | ||
| -- testcache/script.sh -- | ||
| #!/bin/sh | ||
| exit 0 | ||
| -- testcache/testcache_test.go -- | ||
| // Copyright 2017 The Go Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
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| package testcache | ||
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| import ( | ||
| "io/ioutil" | ||
| "os" | ||
| "testing" | ||
| ) | ||
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| func TestChdir(t *testing.T) { | ||
| os.Chdir("..") | ||
| defer os.Chdir("testcache") | ||
| info, err := os.Stat("testcache/file.txt") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| if info.Size()%2 != 1 { | ||
| t.Fatal("even file") | ||
| } | ||
| } | ||
|
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| func TestOddFileContent(t *testing.T) { | ||
| f, err := os.Open("file.txt") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| data, err := ioutil.ReadAll(f) | ||
| f.Close() | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| if len(data)%2 != 1 { | ||
| t.Fatal("even file") | ||
| } | ||
| } | ||
|
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| func TestOddFileSize(t *testing.T) { | ||
| info, err := os.Stat("file.txt") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| if info.Size()%2 != 1 { | ||
| t.Fatal("even file") | ||
| } | ||
| } | ||
|
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| func TestOddGetenv(t *testing.T) { | ||
| val := os.Getenv("TESTKEY") | ||
| if len(val)%2 != 1 { | ||
| t.Fatal("even env value") | ||
| } | ||
| } | ||
|
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| func TestLookupEnv(t *testing.T) { | ||
| _, ok := os.LookupEnv("TESTKEY") | ||
| if !ok { | ||
| t.Fatal("env missing") | ||
| } | ||
| } | ||
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| func TestDirList(t *testing.T) { | ||
| f, err := os.Open(".") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| f.Readdirnames(-1) | ||
| f.Close() | ||
| } | ||
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| func TestExec(t *testing.T) { | ||
| // Note: not using os/exec to make sure there is no unexpected stat. | ||
| p, err := os.StartProcess("./script.sh", []string{"script"}, new(os.ProcAttr)) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| ps, err := p.Wait() | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| if !ps.Success() { | ||
| t.Fatalf("script failed: %v", err) | ||
| } | ||
| } | ||
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| func TestExternalFile(t *testing.T) { | ||
| os.Open(os.Getenv("TEST_EXTERNAL_FILE")) | ||
| _, err := os.Stat(os.Getenv("TEST_EXTERNAL_FILE")) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| } | ||
| -- mkold.go -- | ||
| package main | ||
|
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| import ( | ||
| "log" | ||
| "os" | ||
| "time" | ||
| ) | ||
|
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| func main() { | ||
| d, err := time.ParseDuration(os.Args[1]) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| path := os.Args[2] | ||
| old := time.Now().Add(-d) | ||
| err = os.Chtimes(path, old, old) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } |
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