43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package registry
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import (
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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func noExecutable() (string, error) { return "", os.ErrNotExist }
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func TestFindCranePrefersWerkdockCrane(t *testing.T) {
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dir := t.TempDir()
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configured := filepath.Join(dir, "my-crane")
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if err := os.WriteFile(configured, []byte("#!/bin/sh\n"), 0o755); err != nil {
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t.Fatal(err)
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}
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t.Setenv("PATH", "")
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got, err := FindCrane(configured, noExecutable)
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if err != nil || got != configured {
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t.Fatalf("got %q, %v", got, err)
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}
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if _, err := FindCrane(filepath.Join(dir, "missing"), noExecutable); err == nil || !strings.Contains(err.Error(), "WERKDOCK_CRANE") {
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t.Errorf("missing configured binary: got %v", err)
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}
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}
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func TestFindCraneBesideWerkdock(t *testing.T) {
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dir := t.TempDir()
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beside := filepath.Join(dir, "crane")
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if err := os.WriteFile(beside, []byte("#!/bin/sh\n"), 0o755); err != nil {
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t.Fatal(err)
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}
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t.Setenv("PATH", "")
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got, err := FindCrane("", func() (string, error) { return filepath.Join(dir, "werkdock"), nil })
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if err != nil || got != beside {
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t.Fatalf("got %q, %v", got, err)
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}
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if _, err := FindCrane("", noExecutable); err == nil || !strings.Contains(err.Error(), "crane binary") {
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t.Errorf("no crane anywhere: got %v", err)
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}
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}
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