test: reject promises test

test/unit/services/quotes/source-lists/local-source-list.spec.ts

@@ -0,0 +1,75 @@
+import chai, { expect } from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import { LocalSourceList } from '@services/quotes/source-lists/local-source-list';
+import { SourceListQuoteRequest } from '@services/quotes/source-lists/types';
+import { then, when } from '@test-utils/bdd';
+import { IProviderService } from '@services/providers';
+import { IFetchService } from '@services/fetch';
+chai.use(chaiAsPromised);
+
+describe('Local Source List', () => {
+  describe('Rejected Promises', () => {
+    when('asking for unknown source', () => {
+      then('promise is rejected', async () => {
+        const sourceList = new LocalSourceList({
+          providerService: PROVIDER_SERVICE,
+          fetchService: FETCH_SERVICE,
+        });
+        const quotes = sourceList.getQuotes({
+          ...REQUEST,
+          sources: ['unknown'],
+          order: { type: 'sell', sellAmount: 100 },
+        });
+        expect(Object.keys(quotes)).to.have.lengthOf(1);
+        await expect(quotes['unknown']).to.have.rejectedWith(`Could not find a source with id 'unknown'`);
+      });
+    });
+
+    when('executing a buy order for a source that does not support it', () => {
+      then('promise is rejected', async () => {
+        const sourceList = new LocalSourceList({
+          providerService: PROVIDER_SERVICE,
+          fetchService: FETCH_SERVICE,
+        });
+        const quotes = sourceList.getQuotes({
+          ...REQUEST,
+          order: { type: 'buy', buyAmount: 100 },
+          sources: ['odos'],
+        });
+        expect(Object.keys(quotes)).to.have.lengthOf(1);
+        await expect(quotes['odos']).to.have.rejectedWith(`Source with id 'odos' does not support buy orders`);
+      });
+    });
+
+    when('context/config is invalid for a source', () => {
+      then('promise is rejected', async () => {
+        const sourceList = new LocalSourceList({
+          providerService: PROVIDER_SERVICE,
+          fetchService: FETCH_SERVICE,
+        });
+        const quotes = sourceList.getQuotes({
+          ...REQUEST,
+          order: { type: 'sell', sellAmount: 100 },
+          sources: ['enso'],
+        });
+        expect(Object.keys(quotes)).to.have.lengthOf(1);
+        await expect(quotes['enso']).to.have.rejectedWith(`The current context or config is not valid for source with id 'enso'`);
+      });
+    });
+  });
+});
+
+const REQUEST: Omit<SourceListQuoteRequest, 'sources' | 'order'> = {
+  chainId: 1,
+  sellToken: '0x0000000000000000000000000000000000000001',
+  buyToken: '0x0000000000000000000000000000000000000002',
+  slippagePercentage: 0.03,
+  takerAddress: '0x0000000000000000000000000000000000000003',
+  external: {
+    tokenData: {} as any,
+    gasPrice: {} as any,
+  },
+};
+
+const PROVIDER_SERVICE: IProviderService = {} as any;
+const FETCH_SERVICE: IFetchService = {} as any;