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',
+    });
+  });
+});