test: add end to end tests for details endpoint

issue: #283

siloLapisTests/test/details.spec.ts

@@ -0,0 +1,47 @@
+import {expect} from 'chai';
+import {lapisClient} from './common';
+import fs from 'fs';
+import {SequenceFilters} from './lapisClient';
+
+describe('The /details endpoint', () => {
+    it('should return details with specified fields', async () => {
+        const result = await lapisClient.postDetails({
+            detailsPostRequest: {
+                pangoLineage: 'B.1.617.2',
+                fields: ["pango_lineage", "division"]
+            }
+        });
+
+        expect(result).to.have.length(2);
+        expect(result[0]).to.be.deep.equal({
+            age: undefined,
+            country: undefined,
+            date: undefined,
+            division: "Aargau",
+            gisaidEpiIsl: undefined,
+            pangoLineage: "B.1.617.2",
+            qcValue: undefined,
+            region: undefined,
+        });
+    });
+
+    it('should return details with all fields when no explicit fields were specified', async () => {
+        const result = await lapisClient.postDetails({
+            detailsPostRequest: {
+                pangoLineage: 'B.1.617.2',
+            }
+        });
+
+        expect(result).to.have.length(2);
+        expect(result[0]).to.be.deep.equal({
+            age: 50,
+            country: "Switzerland",
+            date: "2021-07-19",
+            division: "Aargau",
+            gisaidEpiIsl: "EPI_ISL_3128811",
+            pangoLineage: "B.1.617.2",
+            qcValue: 0.9,
+            region: "Europe",
+        });
+    });
+});