| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "strings" |
| 7 | "testing" |
| 8 | ) |
| 9 | |
| 10 | func TestCreateBlankProjectCreatesOneChildDirectory(t *testing.T) { |
| 11 | parent := t.TempDir() |
| 12 | want := filepath.Join(parent, "new-project") |
| 13 | |
| 14 | got, err := createBlankProject(parent, " new-project ") |
| 15 | if err != nil { |
| 16 | t.Fatalf("createBlankProject: %v", err) |
| 17 | } |
| 18 | if got != want { |
| 19 | t.Fatalf("createBlankProject path = %q, want %q", got, want) |
| 20 | } |
| 21 | if info, err := os.Stat(got); err != nil { |
| 22 | t.Fatalf("stat created project: %v", err) |
| 23 | } else if !info.IsDir() { |
| 24 | t.Fatalf("created path is not a directory: %s", got) |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | func TestCreateBlankProjectRejectsUnsafeNames(t *testing.T) { |
| 29 | parent := t.TempDir() |
| 30 | tests := []string{"", " ", ".", "..", "nested/project", `nested\project`, "bad\nname"} |
| 31 | for _, name := range tests { |
| 32 | t.Run(strings.ReplaceAll(name, "/", "_"), func(t *testing.T) { |
| 33 | if got, err := createBlankProject(parent, name); err == nil { |
| 34 | t.Fatalf("createBlankProject(%q) = %q, want error", name, got) |
| 35 | } |
| 36 | }) |
| 37 | } |
| 38 | if entries, err := os.ReadDir(parent); err != nil { |
| 39 | t.Fatal(err) |
| 40 | } else if len(entries) != 0 { |
| 41 | t.Fatalf("unsafe names created entries: %+v", entries) |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | func TestCreateBlankProjectRejectsInvalidParent(t *testing.T) { |
| 46 | parent := t.TempDir() |
| 47 | file := filepath.Join(parent, "file.txt") |
| 48 | if err := os.WriteFile(file, []byte("not a directory"), 0o644); err != nil { |
| 49 | t.Fatal(err) |
| 50 | } |
| 51 | for _, invalidParent := range []string{"", filepath.Join(parent, "missing"), file} { |
| 52 | if got, err := createBlankProject(invalidParent, "project"); err == nil { |
| 53 | t.Fatalf("createBlankProject(%q) = %q, want error", invalidParent, got) |
| 54 | } |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | func TestCreateBlankProjectNeverOverwritesExistingFolder(t *testing.T) { |
| 59 | parent := t.TempDir() |
| 60 | existing := filepath.Join(parent, "existing") |
| 61 | if err := os.Mkdir(existing, 0o755); err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | marker := filepath.Join(existing, "keep.txt") |
| 65 | if err := os.WriteFile(marker, []byte("keep"), 0o644); err != nil { |
| 66 | t.Fatal(err) |
| 67 | } |
| 68 | |
| 69 | if got, err := createBlankProject(parent, "existing"); err == nil || !strings.Contains(err.Error(), "already exists") { |
| 70 | t.Fatalf("createBlankProject existing = %q, %v; want already exists error", got, err) |
| 71 | } |
| 72 | if body, err := os.ReadFile(marker); err != nil { |
| 73 | t.Fatalf("existing marker was removed: %v", err) |
| 74 | } else if string(body) != "keep" { |
| 75 | t.Fatalf("existing marker changed to %q", body) |
| 76 | } |
| 77 | } |
| 78 |