feat: adds unit tests for IterableMessageMetadata

Author: Evan Greer

src/__tests__/IterabelEmbeddedMesage.test.ts

@@ -0,0 +1,61 @@
+import { IterableEmbeddedMessageMetadata } from '../embedded/classes/IterableEmbeddedMessageMetadata';
+import type { EmbeddedMessageMetadataDict } from '../embedded/classes/IterableEmbeddedMessageMetadata';
+import { Iterable } from '../core';
+
+describe('IterableEmbeddedMessage', () => {
+  test('should create an instance of IterableEmbeddedMessageMetadata from a dictionary', () => {
+    Iterable.logger.log(
+      'iterableEmbeddedMessageMetadata_fromDict_valid_dictionary'
+    );
+
+    const dict = {
+      messageId: '123',
+      placementId: 456,
+      campaignId: 789,
+      isProof: false,
+    };
+
+    const result = IterableEmbeddedMessageMetadata.fromDict(dict);
+
+    expect(result).toBeInstanceOf(IterableEmbeddedMessageMetadata);
+    expect(result.messageId).toBe('123');
+    expect(result.placementId).toBe(456);
+    expect(result.campaignId).toBe(789);
+    expect(result.isProof).toBe(false);
+  });
+
+  test('should handle optional fields', () => {
+    Iterable.logger.log(
+      'iterableEmbeddedMessageMetadata_fromDict_optional_fields_omitted'
+    );
+
+    const dict = {
+      messageId: '123',
+      placementId: 456,
+    };
+
+    const result = IterableEmbeddedMessageMetadata.fromDict(dict);
+
+    expect(result).toBeInstanceOf(IterableEmbeddedMessageMetadata);
+    expect(result.messageId).toBe('123');
+    expect(result.placementId).toBe(456);
+    expect(result.campaignId).toBeUndefined();
+    expect(result.isProof).toBe(false);
+  });
+
+  test('should throw an error if messageId is not provided', () => {
+    Iterable.logger.log(
+      'iterableEmbeddedMessageMetadata_fromDict_missing_messageId'
+    );
+
+    const dict = {
+      placementId: 456,
+    };
+
+    expect(() => {
+      IterableEmbeddedMessageMetadata.fromDict(
+        dict as Partial<EmbeddedMessageMetadataDict>
+      );
+    }).toThrow('messageId and placementId are required');
+  });
+});

src/embedded/classes/IterableEmbeddedMessageMetadata.ts

@@ -1,6 +1,4 @@
 export class IterableEmbeddedMessageMetadata {
-  static readonly TAG = 'ItblEmbeddedMessageMetadata';
-
   readonly messageId: string;
   readonly placementId: number;
   readonly campaignId?: number;
@@ -17,12 +15,13 @@ export class IterableEmbeddedMessageMetadata {
     this.campaignId = campaignId;
     this.isProof = isProof;
   }
-  static fromDict(dict: {
-    messageId: string;
-    placementId: number;
-    campaignId: number | undefined;
-    isProof: boolean;
-  }): IterableEmbeddedMessageMetadata {
+
+  static fromDict(
+    dict: Partial<EmbeddedMessageMetadataDict>
+  ): IterableEmbeddedMessageMetadata {
+    if (!dict.messageId || !dict.placementId) {
+      throw new Error('messageId and placementId are required');
+    }
     return new IterableEmbeddedMessageMetadata(
       dict.messageId,
       dict.placementId,
@@ -31,3 +30,10 @@ export class IterableEmbeddedMessageMetadata {
     );
   }
 }
+
+export interface EmbeddedMessageMetadataDict {
+  messageId: string;
+  placementId: number;
+  campaignId?: number;
+  isProof?: boolean;
+}