| 1 | package objstore |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "context" |
| 6 | "errors" |
| 7 | "os" |
| 8 | "testing" |
| 9 | "time" |
| 10 | |
| 11 | "github.com/carlosframework/platform/internal/release" |
| 12 | ) |
| 13 | |
| 14 | func TestKey(t *testing.T) { |
| 15 | if got := Key("bab", "titogo"); got != "apps/bab/titogo/store.json" { |
| 16 | t.Fatalf("Key = %q", got) |
| 17 | } |
| 18 | } |
| 19 | |
| 20 | func TestValidEnvPrefix(t *testing.T) { |
| 21 | for p, want := range map[string]bool{ |
| 22 | "TITO_S3": true, "CARLOS_STORE": true, "A": true, |
| 23 | "tito": false, "1X": false, "": false, "_X": false, |
| 24 | "TOO_LONG_" + string(make([]byte, 40)): false, |
| 25 | } { |
| 26 | if ValidEnvPrefix(p) != want { |
| 27 | t.Errorf("ValidEnvPrefix(%q) != %v", p, want) |
| 28 | } |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | func TestEnvNames(t *testing.T) { |
| 33 | b, r, e, ak, sk := EnvNames("TITO_S3") |
| 34 | if b != "TITO_S3_BUCKET" || r != "TITO_S3_REGION" || e != "TITO_S3_ENDPOINT" || |
| 35 | ak != "TITO_S3_ACCESS_KEY" || sk != "TITO_S3_SECRET_KEY" { |
| 36 | t.Fatalf("EnvNames = %q %q %q %q %q", b, r, e, ak, sk) |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | func TestGetAbsentIsNilNil(t *testing.T) { |
| 41 | s := release.NewDirStore(t.TempDir()) |
| 42 | rec, etag, err := Get(context.Background(), s, "bab", "titogo") |
| 43 | if rec != nil || etag != "" || err != nil { |
| 44 | t.Fatalf("absent: rec=%v etag=%q err=%v", rec, etag, err) |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | func TestPutGetRoundTripAndCAS(t *testing.T) { |
| 49 | ctx := context.Background() |
| 50 | s := release.NewDirStore(t.TempDir()) |
| 51 | rec := &Record{App: "titogo", Declared: &Declared{EnvPrefix: "TITO_S3"}} |
| 52 | etag, err := Put(ctx, s, "bab", "titogo", rec, "") |
| 53 | if err != nil { |
| 54 | t.Fatal(err) |
| 55 | } |
| 56 | got, gotTag, err := Get(ctx, s, "bab", "titogo") |
| 57 | if err != nil || got == nil || got.Schema != Schema || got.Declared.EnvPrefix != "TITO_S3" { |
| 58 | t.Fatalf("Get = %+v, %v", got, err) |
| 59 | } |
| 60 | if gotTag != etag { |
| 61 | t.Fatalf("etag mismatch %q vs %q", gotTag, etag) |
| 62 | } |
| 63 | // create-only Put on an existing record loses |
| 64 | if _, err := Put(ctx, s, "bab", "titogo", rec, ""); !errors.Is(err, release.ErrCASConflict) { |
| 65 | t.Fatalf("create-only over existing: %v", err) |
| 66 | } |
| 67 | // stale etag loses |
| 68 | rec.Grant = &GrantBlock{Backend: "aws"} |
| 69 | if _, err := Put(ctx, s, "bab", "titogo", rec, etag); err != nil { |
| 70 | t.Fatal(err) |
| 71 | } |
| 72 | if _, err := Put(ctx, s, "bab", "titogo", rec, etag); !errors.Is(err, release.ErrCASConflict) { |
| 73 | t.Fatalf("stale etag: %v", err) |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | // RevertIn undoes the caller's own write and nothing else: it deletes a |
| 78 | // record the caller created, restores the exact prior bytes of one it |
| 79 | // rewrote, and leaves a record that moved past the caller's etag. |
| 80 | func TestRevertIn(t *testing.T) { |
| 81 | ctx := context.Background() |
| 82 | s := release.NewDirStore(t.TempDir()) |
| 83 | key := KeyIn("bab", "shop", "canary") |
| 84 | decl := func(by string) *Record { |
| 85 | return &Record{Declared: &Declared{EnvPrefix: DefaultEnvPrefix, At: time.Now().UTC(), By: by}} |
| 86 | } |
| 87 | |
| 88 | // Created by the caller: deleted. |
| 89 | tag, err := PutIn(ctx, s, "bab", "shop", "canary", decl("seed"), "") |
| 90 | if err != nil { |
| 91 | t.Fatal(err) |
| 92 | } |
| 93 | if err := RevertIn(ctx, s, "bab", "shop", "canary", nil, tag); err != nil { |
| 94 | t.Fatal(err) |
| 95 | } |
| 96 | if _, _, err := s.Get(ctx, key); !errors.Is(err, os.ErrNotExist) { |
| 97 | t.Fatalf("after revert of a created record: %v, want it gone", err) |
| 98 | } |
| 99 | // Already gone: left gone. |
| 100 | if err := RevertIn(ctx, s, "bab", "shop", "canary", nil, tag); err != nil { |
| 101 | t.Fatalf("revert of a missing record = %v, want nil", err) |
| 102 | } |
| 103 | |
| 104 | // Rewritten by the caller: the prior bytes, exactly. |
| 105 | prior := []byte("{\"schema\":1,\"app\":\"shop\",\"environment\":\"canary\",\"declared\":{\"env_prefix\":\"SHOP_FILES\",\"at\":\"2026-10-01T00:00:00Z\",\"by\":\"alice@example.com\"}}\n") |
| 106 | prevTag, err := s.Put(ctx, key, prior, "") |
| 107 | if err != nil { |
| 108 | t.Fatal(err) |
| 109 | } |
| 110 | tag, err = PutIn(ctx, s, "bab", "shop", "canary", decl("seed"), prevTag) |
| 111 | if err != nil { |
| 112 | t.Fatal(err) |
| 113 | } |
| 114 | if err := RevertIn(ctx, s, "bab", "shop", "canary", prior, tag); err != nil { |
| 115 | t.Fatal(err) |
| 116 | } |
| 117 | if got, _, _ := s.Get(ctx, key); !bytes.Equal(got, prior) { |
| 118 | t.Fatalf("after revert = %s, want %s", got, prior) |
| 119 | } |
| 120 | |
| 121 | // Moved past the caller's write: left as it is. |
| 122 | _, cur, _ := s.Get(ctx, key) |
| 123 | tag, err = PutIn(ctx, s, "bab", "shop", "canary", decl("seed"), cur) |
| 124 | if err != nil { |
| 125 | t.Fatal(err) |
| 126 | } |
| 127 | if _, err := PutIn(ctx, s, "bab", "shop", "canary", decl("someone-else"), tag); err != nil { |
| 128 | t.Fatal(err) |
| 129 | } |
| 130 | before, _, _ := s.Get(ctx, key) |
| 131 | for _, prev := range [][]byte{nil, prior} { |
| 132 | if err := RevertIn(ctx, s, "bab", "shop", "canary", prev, tag); !errors.Is(err, release.ErrCASConflict) { |
| 133 | t.Fatalf("revert (prev %q) past another write = %v, want ErrCASConflict", prev, err) |
| 134 | } |
| 135 | if after, _, _ := s.Get(ctx, key); !bytes.Equal(after, before) { |
| 136 | t.Fatalf("record after a refused revert = %s, want %s", after, before) |
| 137 | } |
| 138 | } |
| 139 | } |
| 140 | |
amadan