add schema tests for joins as array/object

Author: KSDaemon

packages/cubejs-schema-compiler/test/unit/__snapshots__/schema.test.ts.snap

@@ -2091,6 +2091,46 @@ Array [
 ]
 `;
 
+exports[`Schema Testing join types (joins as array) 1`] = `
+Array [
+  Object {
+    "name": "CubeB",
+    "relationship": "hasOne",
+    "sql": [Function],
+  },
+  Object {
+    "name": "CubeC",
+    "relationship": "hasMany",
+    "sql": [Function],
+  },
+  Object {
+    "name": "CubeD",
+    "relationship": "belongsTo",
+    "sql": [Function],
+  },
+]
+`;
+
+exports[`Schema Testing join types (joins as object) 1`] = `
+Array [
+  Object {
+    "name": "CubeB",
+    "relationship": "hasOne",
+    "sql": [Function],
+  },
+  Object {
+    "name": "CubeC",
+    "relationship": "hasMany",
+    "sql": [Function],
+  },
+  Object {
+    "name": "CubeD",
+    "relationship": "belongsTo",
+    "sql": [Function],
+  },
+]
+`;
+
 exports[`Schema Testing join types 1`] = `
 Array [
   Object {

packages/cubejs-schema-compiler/test/unit/schema.test.ts

@@ -416,7 +416,7 @@ describe('Schema Testing', () => {
     expect(gr.origin).toBe('2020-06-01 10:00:00');
   });
 
-  it('join types', async () => {
+  it('join types (joins as object)', async () => {
     const { compiler, cubeEvaluator } = prepareJsCompiler([
       createCubeSchema({
         name: 'CubeA',
@@ -450,6 +450,43 @@ describe('Schema Testing', () => {
     expect(cubeEvaluator.cubeFromPath('CubeA').joins).toMatchSnapshot();
   });
 
+  it('join types (joins as array)', async () => {
+    const { compiler, cubeEvaluator } = prepareJsCompiler([
+      createCubeSchema({
+        name: 'CubeA',
+        joins: `[
+          {
+            name: 'CubeB',
+            sql: \`SQL ON clause\`,
+            relationship: 'one_to_one'
+          },
+          {
+            name: 'CubeC',
+            sql: \`SQL ON clause\`,
+            relationship: 'one_to_many'
+          },
+          {
+            name: 'CubeD',
+            sql: \`SQL ON clause\`,
+            relationship: 'many_to_one'
+          },
+        ]`
+      }),
+      createCubeSchema({
+        name: 'CubeB',
+      }),
+      createCubeSchema({
+        name: 'CubeC',
+      }),
+      createCubeSchema({
+        name: 'CubeD',
+      }),
+    ]);
+    await compiler.compile();
+
+    expect(cubeEvaluator.cubeFromPath('CubeA').joins).toMatchSnapshot();
+  });
+
   describe('Access Policies', () => {
     it('valid schema with accessPolicy', async () => {
       const { compiler } = prepareJsCompiler([