From 85bcae563eee327f2557063f7d752461fe3fe8f9 Mon Sep 17 00:00:00 2001
From: "jonas-lt@live.dk" <jonas-lt@live.dk>
Date: Fri, 6 Oct 2023 14:15:36 +0200
Subject: [PATCH] fix and test

---
 src/models/v3/channel-parameter.ts       |  6 +++++-
 test/models/v3/channel-parameter.spec.ts | 11 +++++++++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/models/v3/channel-parameter.ts b/src/models/v3/channel-parameter.ts
index 54099a351..1e27d17d3 100644
--- a/src/models/v3/channel-parameter.ts
+++ b/src/models/v3/channel-parameter.ts
@@ -22,7 +22,11 @@ export class ChannelParameter extends BaseModel<v3.ParameterObject, { id: string
   }
 
   schema(): SchemaInterface | undefined {
-    if (!this.hasSchema()) return undefined;
+    if (!this.hasSchema()) {
+      return this.createModel(Schema, {
+        type: 'string',
+      }, { pointer: `${this._meta.pointer}` });
+    }
     return this.createModel(Schema, {
       type: 'string', 
       description: this._json.description,
diff --git a/test/models/v3/channel-parameter.spec.ts b/test/models/v3/channel-parameter.spec.ts
index 16eb510e5..be3fde574 100644
--- a/test/models/v3/channel-parameter.spec.ts
+++ b/test/models/v3/channel-parameter.spec.ts
@@ -87,10 +87,17 @@ describe('ChannelParameter model', function() {
       expect(d.schema()?.default()).toEqual('test');
     });
     
-    it('should return undefined when there is no value', function() {
+    it('should be able to access description value', function() {
+      const doc = serializeInput<v3.ParameterObject>({ description: 'test' });
+      const d = new ChannelParameter(doc);
+      expect(d.schema()).toBeInstanceOf(Schema);
+      expect(d.schema()?.description()).toEqual('test');
+    });
+    it('should return empty schema with type string when there is no value', function() {
       const doc = serializeInput<v3.ParameterObject>({});
       const d = new ChannelParameter(doc);
-      expect(d.schema()).toBeUndefined();
+      expect(d.schema()).toBeInstanceOf(Schema);
+      expect(d.schema()?.type()).toEqual('string');
     });
   });