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feat: add "script" test type

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technofab 2025-05-31 17:20:19 +02:00
parent d0e47e305d
commit b50a1c61a6
3 changed files with 59 additions and 2 deletions
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48
cmd/nixtest/main.go
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@ -31,6 +31,7 @@ type TestSpec struct {
Expected any `json:"expected,omitempty"`
Actual any `json:"actual,omitempty"`
ActualDrv string `json:"actualDrv,omitempty"`
Script string `json:"script,omitempty"`
Pos string `json:"pos,omitempty"`
Suite string
@ -56,7 +57,7 @@ type TestResult struct {
type Results map[string][]TestResult
func buildAndParse(derivation string) (any, error) {
func buildDerivation(derivation string) (string, error) {
cmd := exec.Command(
"nix",
"build",
@ -70,10 +71,18 @@ func buildAndParse(derivation string) (any, error) {
err := cmd.Run()
if err != nil {
return nil, fmt.Errorf("failed to run nix build: %v, %s", err, stderr.String())
return "", fmt.Errorf("failed to run nix build: %v, %s", err, stderr.String())
}
path := strings.TrimSpace(stdout.String())
return path, nil
}
func buildAndParse(derivation string) (any, error) {
path, err := buildDerivation(derivation)
if err != nil {
return nil, err
}
data, err := os.ReadFile(path)
if err != nil {
@ -89,6 +98,33 @@ func buildAndParse(derivation string) (any, error) {
return result, nil
}
// builds derivation and runs it
func buildAndRun(derivation string) (exitCode int, stdout bytes.Buffer, stderr bytes.Buffer, err error) {
exitCode = -1
path, err := buildDerivation(derivation)
if err != nil {
return
}
cmd := exec.Command("bash", path)
cmd.Stdout = &stdout
cmd.Stderr = &stderr
if err = cmd.Start(); err != nil {
return
}
if err = cmd.Wait(); err != nil {
if exiterr, ok := err.(*exec.ExitError); ok {
exitCode = exiterr.ExitCode()
err = nil
}
return
}
return 0, stdout, stderr, nil
}
func PrefixLines(input string) string {
lines := strings.Split(input, "\n")
for i := range lines {
@ -170,6 +206,14 @@ func runTest(spec TestSpec) TestResult {
}
} else if spec.Type == "unit" {
expected = spec.Expected
} else if spec.Type == "script" {
exitCode, stdout, stderr, err := buildAndRun(spec.Script)
if err != nil {
result.Status = StatusError
result.ErrorMessage = fmt.Sprintf("[system] failed to run script: %v", err.Error())
}
expected = ""
actual = fmt.Sprintf("[exit code %d]\n[Stdout]\n%s\n[Stderr]\n%s", exitCode, stdout.String(), stderr.String())
} else {
log.Panic().Str("type", spec.Type).Msg("Invalid test type")
}