// MustHaveGoRun checks that the current system can run programs with ``go run.''
// If not, MustHaveGoRun calls t.Skip with an explanation.
public static void MustHaveGoRun(testing.TB t)
{
if (!HasGoRun())
{
t.Skipf("skipping test: 'go run' not available on %s/%s", runtime.GOOS, runtime.GOARCH);
}
}
// MustHaveGoBuild checks that the current system can build programs with ``go build''
// and then run them with os.StartProcess or exec.Command.
// If not, MustHaveGoBuild calls t.Skip with an explanation.
public static void MustHaveGoBuild(testing.TB t)
{
if (os.Getenv("GO_GCFLAGS") != "")
{
t.Skipf("skipping test: 'go build' not compatible with setting $GO_GCFLAGS");
}
if (!HasGoBuild())
{
t.Skipf("skipping test: 'go build' not available on %s/%s", runtime.GOOS, runtime.GOARCH);
}
}
// GoToolPath reports the path to the Go tool.
// It is a convenience wrapper around GoTool.
// If the tool is unavailable GoToolPath calls t.Skip.
// If the tool should be available and isn't, GoToolPath calls t.Fatal.
public static @string GoToolPath(testing.TB t)
{
MustHaveGoBuild(t);
var(path, err) = GoTool();
if (err != null)
{
t.Fatal(err);
}
// Add all environment variables that affect the Go command to test metadata.
// Cached test results will be invalidate when these variables change.
// See golang.org/issue/32285.
foreach (var(_, envVar) in strings.Fields(cfg.KnownEnv))
{
os.Getenv(envVar);
}
return(path);
}