| 1 | package console |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "net/http" |
| 7 | "slices" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | |
| 11 | "github.com/carlosframework/platform/internal/provision" |
| 12 | ) |
| 13 | |
| 14 | // The create door stamps a named config bundle onto the record (2026-09-04). |
| 15 | // |
| 16 | // Why it matters, and why it was worth changing a door that deliberately |
| 17 | // omitted the field: config in CARLOS is per-app, so a second instance |
| 18 | // standing alongside a live one inherits the default bundle — including |
| 19 | // whatever single origin the app's framework compares the request's Origin |
| 20 | // header against. Every POST to the new host then fails closed while every |
| 21 | // GET looks perfectly healthy. `carlos canary` mints exactly such a route. |
| 22 | func TestAPIInstanceCreateStampsEnvironment(t *testing.T) { |
| 23 | fx, token := instanceFixture(t, "code-inst-env-create") |
| 24 | enableInstances(t, fx, "titogo", titoManifest()) |
| 25 | u := instancesURL(fx, "bab", "titogo") |
| 26 | |
| 27 | status, _, out := rawReq(t, http.MethodPost, u, token, |
| 28 | `{"host":"canary.go.tito.io","region":"ie","environment":"jam-canary"}`) |
| 29 | if status != http.StatusCreated { |
| 30 | t.Fatalf("create with environment = %d %s, want 201", status, out) |
| 31 | } |
| 32 | var echoed provision.Record |
| 33 | if err := json.Unmarshal([]byte(out), &echoed); err != nil { |
| 34 | t.Fatalf("create body %s: %v", out, err) |
| 35 | } |
| 36 | if echoed.Environment != "jam-canary" { |
| 37 | t.Fatalf("echoed environment = %q, want jam-canary", echoed.Environment) |
| 38 | } |
| 39 | stored, err := provision.GetRecord(context.Background(), fx.rel, "bab", "titogo", "canary.go.tito.io") |
| 40 | if err != nil { |
| 41 | t.Fatal(err) |
| 42 | } |
| 43 | if stored.Environment != "jam-canary" { |
| 44 | t.Fatalf("stored environment = %q, want jam-canary — the record is what convergeOwned reads", stored.Environment) |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | // An omitted environment still means the app's default bundle, byte for byte |
| 49 | // what this door did before the field existed. Every record in production was |
| 50 | // written without it. |
| 51 | func TestAPIInstanceCreateWithoutEnvironmentIsUnchanged(t *testing.T) { |
| 52 | fx, token := instanceFixture(t, "code-inst-env-absent") |
| 53 | enableInstances(t, fx, "titogo", titoManifest()) |
| 54 | |
| 55 | status, _, out := rawReq(t, http.MethodPost, instancesURL(fx, "bab", "titogo"), token, |
| 56 | `{"host":"plain.go.tito.io","region":"ie"}`) |
| 57 | if status != http.StatusCreated { |
| 58 | t.Fatalf("create = %d %s, want 201", status, out) |
| 59 | } |
| 60 | stored, err := provision.GetRecord(context.Background(), fx.rel, "bab", "titogo", "plain.go.tito.io") |
| 61 | if err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | if stored.Environment != "" { |
| 65 | t.Fatalf("stored environment = %q, want empty for an omitted field", stored.Environment) |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | // A malformed name is ValidateShape's own 400, at the same door the box's |
| 70 | // reconcile pass re-checks against — neither side trusts the other about |
| 71 | // what is in the bucket. |
| 72 | func TestAPIInstanceCreateRefusesBadEnvironment(t *testing.T) { |
| 73 | fx, token := instanceFixture(t, "code-inst-env-bad") |
| 74 | enableInstances(t, fx, "titogo", titoManifest()) |
| 75 | |
| 76 | status, _, out := rawReq(t, http.MethodPost, instancesURL(fx, "bab", "titogo"), token, |
| 77 | `{"host":"bad.go.tito.io","region":"ie","environment":"Not A Bundle"}`) |
| 78 | if status != http.StatusBadRequest { |
| 79 | t.Fatalf("create with a malformed environment = %d %s, want 400", status, out) |
| 80 | } |
| 81 | if !strings.Contains(out, "environment") { |
| 82 | t.Errorf("refusal %s does not name the offending field", out) |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | // The PATCH door's fourth field: bind an existing route to a bundle, and |
| 87 | // clear it again. This is the door `carlos instances set-environment` and |
| 88 | // `carlos canary --environment` both reach, and the one that closes the gap |
| 89 | // convergeOwned opened by reverting `carlos route -environment`. |
| 90 | func TestAPIInstanceUpdateEnvironmentRoundTrip(t *testing.T) { |
| 91 | fx, token := instanceFixture(t, "code-inst-env-round") |
| 92 | letStateUpstreams(t, fx, "alice@keymail.dev") |
| 93 | enableInstances(t, fx, "titogo", titoManifest()) |
| 94 | u := instancesURL(fx, "bab", "titogo") |
| 95 | if status, _, out := rawReq(t, http.MethodPost, u, token, |
| 96 | `{"host":"env.go.tito.io","region":"ie","addrs":["127.0.0.1:7001"]}`); status != http.StatusCreated { |
| 97 | t.Fatalf("create = %d %s", status, out) |
| 98 | } |
| 99 | afterCreate := serial(t, fx) |
| 100 | |
| 101 | pu := updateURL(fx, "bab", "titogo", "env.go.tito.io") |
| 102 | status, _, out := rawReq(t, http.MethodPatch, pu, token, `{"environment":"jam-canary"}`) |
| 103 | if status != http.StatusOK { |
| 104 | t.Fatalf("patch environment = %d %s, want 200", status, out) |
| 105 | } |
| 106 | var echoed provision.Record |
| 107 | if err := json.Unmarshal([]byte(out), &echoed); err != nil { |
| 108 | t.Fatalf("patch body %s: %v", out, err) |
| 109 | } |
| 110 | if echoed.Environment != "jam-canary" { |
| 111 | t.Fatalf("echoed environment = %q, want jam-canary", echoed.Environment) |
| 112 | } |
| 113 | // An environment-only patch must leave the upstream set exactly alone — |
| 114 | // the same independence the addrs/probe/steering fields already have. |
| 115 | if !slices.Equal(echoed.Addrs, []string{"127.0.0.1:7001"}) { |
| 116 | t.Fatalf("environment-only patch moved addrs: %v", echoed.Addrs) |
| 117 | } |
| 118 | stored, err := provision.GetRecord(context.Background(), fx.rel, "bab", "titogo", "env.go.tito.io") |
| 119 | if err != nil { |
| 120 | t.Fatal(err) |
| 121 | } |
| 122 | if stored.Environment != "jam-canary" { |
| 123 | t.Fatalf("stored environment = %q, want jam-canary", stored.Environment) |
| 124 | } |
| 125 | if got := serial(t, fx); got != afterCreate+1 { |
| 126 | t.Fatalf("serial after patch = %d, want exactly one bump past %d", got, afterCreate) |
| 127 | } |
| 128 | afterBind := serial(t, fx) |
| 129 | |
| 130 | // "" is a real request — return this route to the app's default bundle — |
| 131 | // and not a "leave it alone". That is why the client sends the field |
| 132 | // without omitempty. |
| 133 | status, _, out = rawReq(t, http.MethodPatch, pu, token, `{"environment":""}`) |
| 134 | if status != http.StatusOK { |
| 135 | t.Fatalf("patch environment off = %d %s, want 200", status, out) |
| 136 | } |
| 137 | stored, err = provision.GetRecord(context.Background(), fx.rel, "bab", "titogo", "env.go.tito.io") |
| 138 | if err != nil { |
| 139 | t.Fatal(err) |
| 140 | } |
| 141 | if stored.Environment != "" { |
| 142 | t.Fatalf("stored environment after clearing = %q, want empty", stored.Environment) |
| 143 | } |
| 144 | if !slices.Equal(stored.Addrs, []string{"127.0.0.1:7001"}) { |
| 145 | t.Fatalf("environment-only patch moved addrs: %v", stored.Addrs) |
| 146 | } |
| 147 | if got := serial(t, fx); got != afterBind+1 { |
| 148 | t.Fatalf("serial after clearing = %d, want exactly one bump past %d", got, afterBind) |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | // The fourth field joins the "nothing to update" rail rather than making it |
| 153 | // optional — a body naming none of the four is still a 400 that costs no |
| 154 | // bucket round trip and no fleet-wide serial bump. |
| 155 | func TestAPIInstanceUpdateEmptyBodyNamesEnvironment(t *testing.T) { |
| 156 | fx, token := instanceFixture(t, "code-inst-env-empty") |
| 157 | enableInstances(t, fx, "titogo", titoManifest()) |
| 158 | if status, _, out := rawReq(t, http.MethodPost, instancesURL(fx, "bab", "titogo"), token, |
| 159 | `{"host":"none.go.tito.io","region":"ie"}`); status != http.StatusCreated { |
| 160 | t.Fatalf("create = %d %s", status, out) |
| 161 | } |
| 162 | before := serial(t, fx) |
| 163 | status, _, out := rawReq(t, http.MethodPatch, |
| 164 | updateURL(fx, "bab", "titogo", "none.go.tito.io"), token, `{}`) |
| 165 | if status != http.StatusBadRequest { |
| 166 | t.Fatalf("patch with no fields = %d %s, want 400", status, out) |
| 167 | } |
| 168 | if !strings.Contains(out, "environment") { |
| 169 | t.Errorf("empty-body refusal = %s, want it to name environment among the patchable fields", out) |
| 170 | } |
| 171 | if got := serial(t, fx); got != before { |
| 172 | t.Errorf("serial after a refused empty patch = %d, want it unmoved from %d", got, before) |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | // A malformed name is refused on the PATCH door too, and the stored record is |
| 177 | // left exactly as it was — a refusal must not half-apply. |
| 178 | func TestAPIInstanceUpdateRefusesBadEnvironment(t *testing.T) { |
| 179 | fx, token := instanceFixture(t, "code-inst-env-patch-bad") |
| 180 | enableInstances(t, fx, "titogo", titoManifest()) |
| 181 | if status, _, out := rawReq(t, http.MethodPost, instancesURL(fx, "bab", "titogo"), token, |
| 182 | `{"host":"keep.go.tito.io","region":"ie","environment":"good-one"}`); status != http.StatusCreated { |
| 183 | t.Fatalf("create = %d %s", status, out) |
| 184 | } |
| 185 | status, _, out := rawReq(t, http.MethodPatch, |
| 186 | updateURL(fx, "bab", "titogo", "keep.go.tito.io"), token, `{"environment":"Not A Bundle"}`) |
| 187 | if status != http.StatusBadRequest { |
| 188 | t.Fatalf("patch with a malformed environment = %d %s, want 400", status, out) |
| 189 | } |
| 190 | stored, err := provision.GetRecord(context.Background(), fx.rel, "bab", "titogo", "keep.go.tito.io") |
| 191 | if err != nil { |
| 192 | t.Fatal(err) |
| 193 | } |
| 194 | if stored.Environment != "good-one" { |
| 195 | t.Fatalf("stored environment = %q after a refused patch, want the original good-one", stored.Environment) |
| 196 | } |
| 197 | } |
| 198 | |