test: Test SQL pushdown on multidb view

Author: mcheshkov

packages/cubejs-testing/birdbox-fixtures/multidb/schema/Products.js

@@ -50,3 +50,10 @@ cube(`Products`, {
 
   dataSource: 'products',
 });
+
+view(`ProductsView`, {
+  cubes: [{
+    joinPath: Products,
+    includes: `*`,
+  }]
+});

packages/cubejs-testing/birdbox-fixtures/multidb/schema/Suppliers.js

@@ -32,3 +32,10 @@ cube(`Suppliers`, {
 
   dataSource: 'suppliers',
 });
+
+view(`SuppliersView`, {
+  cubes: [{
+    joinPath: Suppliers,
+    includes: `*`,
+  }]
+});

packages/cubejs-testing/test/__snapshots__/smoke-multidb.test.ts.snap

@@ -8,6 +8,14 @@ Array [
 ]
 `;
 
+exports[`multidb SQL pushdown queries to different data sources: ProductsView 1`] = `
+Array [
+  Object {
+    "name": "apples",
+  },
+]
+`;
+
 exports[`multidb SQL pushdown queries to different data sources: Suppliers 1`] = `
 Array [
   Object {
@@ -16,6 +24,14 @@ Array [
 ]
 `;
 
+exports[`multidb SQL pushdown queries to different data sources: SuppliersView 1`] = `
+Array [
+  Object {
+    "company": "Fruits Inc",
+  },
+]
+`;
+
 exports[`multidb query: query 1`] = `
 Array [
   Object {

packages/cubejs-testing/test/smoke-multidb.test.ts

@@ -120,6 +120,20 @@ describe('multidb', () => {
     expect(res.rows).toMatchSnapshot();
   });
 
+  test('SQL pushdown queries to different data sources: ProductsView', async () => {
+    const res = await connection.query(`
+  SELECT
+    name
+  FROM
+    ProductsView
+  WHERE
+    LOWER(name) = 'apples'
+  GROUP BY
+    1
+    `);
+    expect(res.rows).toMatchSnapshot();
+  });
+
   test('SQL pushdown queries to different data sources: Suppliers', async () => {
     const res = await connection.query(`
   SELECT
@@ -133,4 +147,18 @@ describe('multidb', () => {
     `);
     expect(res.rows).toMatchSnapshot();
   });
+
+  test('SQL pushdown queries to different data sources: SuppliersView', async () => {
+    const res = await connection.query(`
+  SELECT
+    company
+  FROM
+    SuppliersView
+  WHERE
+    LOWER(company) = 'fruits inc'
+  GROUP BY
+    1
+    `);
+    expect(res.rows).toMatchSnapshot();
+  });
 });