Add strict custom field registry

toolkit/internal/gsp/project_test.go

@@ -212,6 +212,74 @@ scan:
 	}
 }
 
+func TestValidateCustomFieldsStrict(t *testing.T) {
+	root := t.TempDir()
+	design := filepath.Join(root, "design")
+	if err := os.MkdirAll(design, 0755); err != nil {
+		t.Fatal(err)
+	}
+	writeTestFile(t, root, "gsp.manifest", `gspVersion: 0.1
+customFieldPolicy: strict
+fieldRegistry: gsp.fields
+scan:
+  - design
+`)
+	writeTestFile(t, root, "gsp.fields", `gspFieldsVersion: 0.1
+fields:
+  rewardTier:
+    type: string
+    allowed:
+      - common
+      - rare
+    scope:
+      type:
+        - mechanic
+`)
+	writeTestFile(t, design, "mechanic.gsp", `id: mechanic.sample
+type: mechanic
+rewardTier: rare
+`)
+	project, err := LoadProject(root)
+	if err != nil {
+		t.Fatal(err)
+	}
+	report := project.Validate("")
+	if !report.OK {
+		t.Fatalf("expected custom field to validate, got %+v", report.Errors)
+	}
+}
+
+func TestValidateUnknownCustomFieldFails(t *testing.T) {
+	root := t.TempDir()
+	design := filepath.Join(root, "design")
+	if err := os.MkdirAll(design, 0755); err != nil {
+		t.Fatal(err)
+	}
+	writeTestFile(t, root, "gsp.manifest", `gspVersion: 0.1
+customFieldPolicy: strict
+fieldRegistry: gsp.fields
+scan:
+  - design
+`)
+	writeTestFile(t, root, "gsp.fields", `gspFieldsVersion: 0.1
+fields: {}
+`)
+	writeTestFile(t, design, "page.gsp", `id: page.sample
+unknownMood: exciting
+`)
+	project, err := LoadProject(root)
+	if err != nil {
+		t.Fatal(err)
+	}
+	report := project.Validate("")
+	if report.OK {
+		t.Fatal("expected unknown custom field failure")
+	}
+	if report.Errors[0].Code != "unknown_custom_field" {
+		t.Fatalf("expected unknown_custom_field, got %+v", report.Errors)
+	}
+}
+
 func TestInitProjectCreatesManifestAndEntry(t *testing.T) {
 	root := filepath.Join(t.TempDir(), "sample-project")
 	result, err := InitProject(root, InitOptions{
@@ -240,6 +308,9 @@ func TestInitProjectCreatesManifestAndEntry(t *testing.T) {
 	if _, ok := project.ByID["page.sample.main"]; !ok {
 		t.Fatal("expected initialized entry GSP")
 	}
+	if _, err := os.Stat(filepath.Join(root, "gsp.fields")); err != nil {
+		t.Fatal(err)
+	}
 	report := project.Validate("")
 	if !report.OK {
 		t.Fatalf("expected valid initialized project, got %+v", report.Errors)