json-templater/string_test.js

Simple json/js object template strings

suite('string', function() {
  var assert = require('assert');
  var subject = require('./string');

  function verify(title, input, output) {
    test(title, function() {
      var result = subject.apply(subject, input);
      assert.equal(output, result);
    });
  }

  verify('no token', ['woot', {}], 'woot');

  verify(
    'token no value',
    ['{{token}}', {}],
    '{{token}}'
  );

  verify(
    'one token',
    ['{{token}}', { token: 'v' }],
    'v'
  );

  verify(
    'nested token',
    ['{{foo.bar.baz}}', { foo: { bar: { baz: 'baz' } } }],
    'baz'
  );

  verify(
    'nested token no value',
    ['{{foo.bar}}', { foo: {} }],
    '{{foo.bar}}'
  );

  verify(
    'nested token false value',
    ['{{foo.bar}}', { foo: { bar: false} }],
    'false'
  );

  verify(
    'replace in the middle of string',
    [
      'foo bar {{baz}} qux',
      { baz: 'what?' }
    ],
    'foo bar what? qux'
  );

  verify(
    'multiple replacements',
    [
      '{{a}} {{woot}} bar baz {{yeah}}',
      { a: 'foo', yeah: true }
    ],
    'foo {{woot}} bar baz true'
  );

  verify(
    'object notation for non-object',
    [
      '{{a.b.c}} what',
      { a: { b: 'iam b' } }
    ],
    '{{a.b.c}} what'
  );

  verify(
    'dots as key names',
    ['{{woot.bar.baz}}', { 'woot.bar.baz': 'yup' }],
    'yup'
  );

  verify(
    'array view',
    [
      'do what {{fields.0}}',
      {
        fields: ['first']
      }
    ],
    'do what first'
  );

});