add setter tests

src/__tests__/tileServer.ts

@@ -0,0 +1,25 @@
+import { describe, expect, test } from '@jest/globals';
+import { Pool } from 'pg';
+import { Tileserver } from '../index';
+
+const gPool = new Pool();
+
+describe('test Tileserver class internals', () => {
+  test('constructor', () => {
+    const testClass = new Tileserver(gPool);
+    expect(testClass.srid).toStrictEqual(4269);
+    expect(testClass.extent).toStrictEqual(4096);
+    expect(testClass.buffer).toStrictEqual(256);
+    expect(testClass.clip_geom).toBe(true);
+    expect(!!testClass.queryString).toBe(false);
+    expect(testClass.queryString).toBe('');
+  });
+
+  test('setters', () => {
+    const testClass = new Tileserver(gPool);
+    testClass.setQuery('SELECT * FROM foo.bar;');
+    testClass.setSrid(4326);
+    expect(testClass.queryString).toBe('SELECT * FROM foo.bar;');
+    expect(testClass.srid).toBe(4326);
+  });
+});