test(client): add tests for modified Request

packages/client/test/request.test.ts

@@ -0,0 +1,57 @@
+import { query, params, operators } from '@dgraphium/core';
+import { Request } from '../src';
+const { has, eq } = operators;
+
+const newRequest = () => new Request();
+const setQuery = (...args: Parameters<Request['setQuery']>) =>
+  { const req = newRequest(); req.setQuery(...args); return req; }
+const setQueryWithVars = (...args: Parameters<Request['setQueryWithVars']>) =>
+  { const req = newRequest(); req.setQueryWithVars(...args); return req; }
+
+describe('Request test', () => {
+  it('string query should be handled normally', async () => {
+    const strQuery = setQuery('str query');
+    expect(strQuery.getQuery()).toEqual('str query')
+    expect(strQuery.getVarsMap().getLength()).toEqual(0);
+  });
+
+  it('string query with vars should be handled normally', async () => {
+    const strQuery = await setQueryWithVars(
+      'str query with vars',
+      { '$myVar': 'val' }
+    );
+    expect(strQuery.getQuery()).toEqual('str query with vars')
+    expect(strQuery.getVarsMap().getLength()).toEqual(1);
+    expect(strQuery.getVarsMap().get('$myVar')).toEqual('val');
+  });
+
+  it('Query obj should be stringified in Request', async () => {
+    const qbQuery = await setQuery(
+      query().func(has('name')).build()
+    );
+    expect(qbQuery.getQuery()).toMatch(/func: has\(name\)/);
+    expect(qbQuery.getVarsMap().getLength()).toEqual(0);
+  });
+
+  it('Query obj with params should set VarsMap in Request', async () => {
+    const qbQuery = await setQuery(
+      query().func(eq('name', params.string('zura'))).build()
+    );
+    expect(qbQuery.getQuery()).toMatch(/func: eq\(name, \$p1\)/);
+    expect(qbQuery.getVarsMap().getLength()).toEqual(1);
+    expect(qbQuery.getVarsMap().get('$p1')).toEqual('zura');
+  });
+
+  it('Query obj with params should be overridable by VarsMap', async () => {
+    const qWithVars = await setQueryWithVars(
+      query().func(eq(
+        'name',
+        params.string('oldName').name('name')
+      )).build(),
+      { '$name': 'newName' }
+    );
+    expect(qWithVars.getQuery()).toMatch(/func: eq\(name, \$name\)/);
+    expect(qWithVars.getVarsMap().getLength()).toEqual(1);
+    expect(qWithVars.getVarsMap().get('$name')).toEqual('newName');
+  });
+});