101 lines
2.1 KiB
Go
101 lines
2.1 KiB
Go
package spectests
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import (
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"bufio"
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strings"
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"testing"
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)
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func TestMain(m *testing.M) {
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// The test harness is an external program that also expects to have
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// hcldec built as an external program, so we'll build both into
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// temporary files in our working directory before running our tests
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// here, to ensure that we're always running a build of the latest code.
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err := build()
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err.Error())
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os.Exit(1)
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}
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// Now we can run the tests
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os.Exit(m.Run())
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}
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func build() error {
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err := goBuild("github.com/hashicorp/hcl/v2/cmd/hcldec", "tmp_hcldec")
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if err != nil {
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return fmt.Errorf("error building hcldec: %s", err)
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}
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err = goBuild("github.com/hashicorp/hcl/v2/cmd/hclspecsuite", "tmp_hclspecsuite")
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if err != nil {
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return fmt.Errorf("error building hcldec: %s", err)
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}
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return nil
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}
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func TestSpec(t *testing.T) {
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suiteDir := filepath.Clean("../specsuite/tests")
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harness := "./tmp_hclspecsuite"
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hcldec := "./tmp_hcldec"
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cmd := exec.Command(harness, suiteDir, hcldec)
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out, err := cmd.CombinedOutput()
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if _, isExit := err.(*exec.ExitError); err != nil && !isExit {
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t.Errorf("failed to run harness: %s", err)
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}
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failed := err != nil
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sc := bufio.NewScanner(bytes.NewReader(out))
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var lines []string
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for sc.Scan() {
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lines = append(lines, sc.Text())
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}
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i := 0
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for i < len(lines) {
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cur := lines[i]
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if strings.HasPrefix(cur, "- ") {
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testName := cur[2:]
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t.Run(testName, func(t *testing.T) {
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i++
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for i < len(lines) {
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cur := lines[i]
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if strings.HasPrefix(cur, "- ") || strings.HasPrefix(cur, "==") {
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return
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}
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t.Error(cur)
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i++
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}
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})
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} else {
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if !strings.HasPrefix(cur, "==") { // not the "test harness problems" report, then
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t.Log(cur)
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}
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i++
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}
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}
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if failed {
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t.Error("specsuite failed")
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}
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}
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func goBuild(pkg, outFile string) error {
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if runtime.GOOS == "windows" {
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outFile += ".exe"
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}
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cmd := exec.Command("go", "build", "-o", outFile, pkg)
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cmd.Stderr = os.Stderr
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cmd.Stdout = os.Stdout
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return cmd.Run()
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}
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