jsonschema2ddl/test/test_models.ts

Convert JSON Schema to DDL

import test from 'ava';
import fs from 'fs';

import { Column, Table } from '../src/models';

test('test column', t => {
  let simple: any = { "type": "integer" };

  let column = new Column({ name: "simple", jsonschema_type: simple["type"], jsonschema_fields: simple })
  t.is(column.name, "simple");
  t.is(column.data_type, "bigint");

  simple = { "type": "string" };

  column = new Column({ name: "simple", jsonschema_type: simple["type"], jsonschema_fields: simple });
  t.is(column.name, "simple");
  t.is(column.data_type, "varchar(256)");

  simple = { "type": "string", "maxLength": 1024 };

  column = new Column({ name: "simple", jsonschema_type: simple["type"], jsonschema_fields: simple });
  t.is(column.name, "simple");
  t.is(column.data_type, "varchar(1024)");
});


test('test_column_hash', t => {
  let simple1 = { "type": "integer" };
  let simple2 = { "type": "string" };
  let columns = new Set();
  let column1 = new Column({ name: "simple1", jsonschema_type: simple1["type"] });
  let column2 = new Column({ name: "simple2", jsonschema_type: simple2["type"] });

  columns.add(column1);
  columns.add(column2);
  columns.add(column2);

  t.is(columns.size, 2);
});

test('test_table', t => {
  const data = fs.readFileSync('test/schema_flat.json', 'utf8');
  const schema_flat = JSON.parse(data);
  console.log('schema_flat:', schema_flat);
  const root_table = new Table({
    ref: "root",
    name: "root",
    database_flavor: "postgres",
    jsonschema_fields: schema_flat,
  });

  t.is(root_table.name, "root");
  t.is(root_table.ref, "root");

  root_table.expand_columns({ table_definitions: { "root": root_table } });
  t.is(root_table.columns.length, Object.keys(schema_flat["properties"]).length);
});