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testing: support -test.count

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This makes running benchmarks repeatedly easier.
This commit is contained in:
Damian Gryski
2023-03-30 18:14:02 -07:00
committed by Ron Evans
parent e6ccdd9d1a
commit 698b1f19c6
3 changed files with 40 additions and 25 deletions
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main.go
+7 -2
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@@ -216,7 +216,7 @@ func Build(pkgName, outpath string, options *compileopts.Options) error {
// Test runs the tests in the given package. Returns whether the test passed and
// possibly an error if the test failed to run.
func Test(pkgName string, stdout, stderr io.Writer, options *compileopts.Options, testCompileOnly, testVerbose, testShort bool, testRunRegexp string, testBenchRegexp string, testBenchTime string, testBenchMem bool, outpath string) (bool, error) {
func Test(pkgName string, stdout, stderr io.Writer, options *compileopts.Options, testCompileOnly, testVerbose, testShort bool, testRunRegexp string, testCount int, testBenchRegexp string, testBenchTime string, testBenchMem bool, outpath string) (bool, error) {
options.TestConfig.CompileTestBinary = true
config, err := builder.NewConfig(options)
if err != nil {
@@ -243,6 +243,9 @@ func Test(pkgName string, stdout, stderr io.Writer, options *compileopts.Options
if testBenchMem {
flags = append(flags, "-test.benchmem")
}
if testCount != 1 {
flags = append(flags, "-test.count="+strconv.Itoa(testCount))
}
buf := bytes.Buffer{}
passed := false
@@ -1405,6 +1408,7 @@ func main() {
flag.StringVar(&outpath, "o", "", "output filename")
}
var testCompileOnlyFlag, testVerboseFlag, testShortFlag *bool
var testCount *int
var testBenchRegexp *string
var testBenchTime *string
var testRunRegexp *string
@@ -1414,6 +1418,7 @@ func main() {
testVerboseFlag = flag.Bool("v", false, "verbose: print additional output")
testShortFlag = flag.Bool("short", false, "short: run smaller test suite to save time")
testRunRegexp = flag.String("run", "", "run: regexp of tests to run")
testCount = flag.Int("count", 1, "count: number of times to run tests/benchmarks `count` times")
testBenchRegexp = flag.String("bench", "", "run: regexp of benchmarks to run")
testBenchTime = flag.String("benchtime", "", "run each benchmark for duration `d`")
testBenchMem = flag.Bool("benchmem", false, "show memory stats for benchmarks")
@@ -1659,7 +1664,7 @@ func main() {
defer close(buf.done)
stdout := (*testStdout)(buf)
stderr := (*testStderr)(buf)
passed, err := Test(pkgName, stdout, stderr, options, *testCompileOnlyFlag, *testVerboseFlag, *testShortFlag, *testRunRegexp, *testBenchRegexp, *testBenchTime, *testBenchMem, outpath)
passed, err := Test(pkgName, stdout, stderr, options, *testCompileOnlyFlag, *testVerboseFlag, *testShortFlag, *testRunRegexp, *testCount, *testBenchRegexp, *testBenchTime, *testBenchMem, outpath)
if err != nil {
printCompilerError(func(args ...interface{}) {
fmt.Fprintln(stderr, args...)