Add failing test for schema write validation

tstirrat15 · tstirrat15 · commit 32bcbf4da750 · 2025-08-15T12:30:36.000-06:00
diff --git a/internal/services/steelthreadtesting/definitions.go b/internal/services/steelthreadtesting/definitions.go
@@ -550,4 +550,29 @@ var steelThreadTestCases = []steelThreadTestCase{
 			},
 		},
 	},
+	{
+		// This case was found in the wild
+		name:     "remove relation on real schema",
+		datafile: "real-schema-and-data-with-many-relations.yaml",
+		operations: []steelThreadOperationCase{
+{
+				operationName: "writeSchema",
+				arguments: map[string]any{
+					"schema": `
+use expiration
+
+definition user {}
+
+definition platform {}
+
+definition resource {
+	relation platform: platform
+
+	relation viewer: user | user:*
+}
+					`,
+				},
+			},
+		},
+	},
 }
diff --git a/internal/services/steelthreadtesting/steelresults/remove-relation-on-real-schema--results.yaml b/internal/services/steelthreadtesting/steelresults/remove-relation-on-real-schema--results.yaml
@@ -0,0 +1,2 @@
+---
+{}
diff --git a/internal/services/steelthreadtesting/testdata/real-schema-and-data-with-many-relations.yaml b/internal/services/steelthreadtesting/testdata/real-schema-and-data-with-many-relations.yaml
@@ -0,0 +1,21 @@
+schema: |+
+  use expiration
+
+  definition resource {
+    relation platform: platform
+
+    relation viewer: user | user:*
+  }
+
+  definition platform {
+    relation othersubject_thing_doer: othersubject
+
+    permission do_thing = othersubject_thing_doer
+  }
+
+  definition othersubject {}
+
+  definition user {}
+relationships: |
+  resource:oneresource#platform@platform:foo
+  resource:anotherresource#viewer@user:*
