test: Write first test

Author: wasabigeek

src/lib/TypeScriptTypes.ts

@@ -3,11 +3,8 @@ import { PostgresMeta } from "."
 export default class TypeScriptTypes {
   pgMeta: PostgresMeta
 
-  constructor() {
-    this.pgMeta = new PostgresMeta({
-      connectionString: "postgres://postgres:postgres@localhost:5432/postgres",
-      max: 1
-    })
+  constructor({ pgMeta }: { pgMeta: PostgresMeta }) {
+    this.pgMeta = pgMeta;
   }
 
   async dump(): Promise<any> {
@@ -27,6 +24,3 @@ export default class TypeScriptTypes {
     }
   }
 }
-
-
-new TypeScriptTypes().dump().then(console.log)

test/lib/TypeScriptTypes.spec.js

@@ -0,0 +1,81 @@
+var assert = require('assert')
+var sinon = require('sinon')
+
+import TypeScriptTypes from '../../bin/src/lib/TypeScriptTypes'
+import { PostgresMeta } from '../../bin/src/lib'
+
+
+describe('dump()', () => {
+  it('returns a string of TypeScript types', async () => {
+    const pgMeta = new PostgresMeta({ connectionString: '', max: 1 })
+    const columnsData = [
+      {
+        table_id: 16402,
+        schema: 'public',
+        table: 'todos',
+        id: '16402.1',
+        ordinal_position: 1,
+        name: 'id',
+        default_value: null,
+        data_type: 'bigint',
+        format: 'int8',
+        is_identity: true,
+        identity_generation: 'BY DEFAULT',
+        is_nullable: false,
+        is_updatable: true,
+        enums: [],
+        comment: null
+      },
+      {
+        table_id: 16402,
+        schema: 'public',
+        table: 'todos',
+        id: '16402.2',
+        ordinal_position: 2,
+        name: 'details',
+        default_value: null,
+        data_type: 'text',
+        format: 'text',
+        is_identity: false,
+        identity_generation: null,
+        is_nullable: true,
+        is_updatable: true,
+        enums: [],
+        comment: null
+      },
+      {
+        table_id: 16402,
+        schema: 'public',
+        table: 'todos',
+        id: '16402.3',
+        ordinal_position: 3,
+        name: 'user-id',
+        default_value: null,
+        data_type: 'bigint',
+        format: 'int8',
+        is_identity: false,
+        identity_generation: null,
+        is_nullable: false,
+        is_updatable: true,
+        enums: [],
+        comment: null
+      },
+    ]
+    sinon
+      .stub(pgMeta.columns, "list")
+      .returns(Promise.resolve({ data: columnsData }))
+
+    const example = new TypeScriptTypes({ pgMeta: pgMeta });
+
+    // TODO: ewww
+    const expected = `export interface definitions {
+  todos: {
+    id: number;
+    details?: string;
+    user_id: number;
+  };
+}`
+
+    assert.equal(await example.dump(), expected)
+  })
+})