rimiti/stimmy

import { stimmy } from '../src';

describe('Replace default pattern', () => {
  const replacer = stimmy();

  describe('Replace brackets with array items', () => {
    it('Should replace brackets {0} in string with array[0]', () => {
      const str = replacer('Hello {0},', ['Dimitri']);
      expect(str).toEqual('Hello Dimitri,');
    });

    it('Should replace brackets {0} and {1} in string with array[0] and array[1]', () => {
      const str = replacer("Hello {0}, I'm {1}.", ['Dimitri', 25]);
      expect(str).toEqual("Hello Dimitri, I'm 25.");
    });
  });

  describe('Pass a string without brackets but with an array of items', () => {
    it('Should return the same string passed', () => {
      const str = replacer('This should be the same', ['testing', 'stimmy']);
      expect(str).toEqual('This should be the same');
    });
  });

  describe('Pass in incorrect parameters', () => {
    it('Should return same input value when a number is passed instead of an array as second parameter', () => {
      const str = replacer('hello', 1);
      expect(str).toEqual('hello');
    });
  });

  describe('Replace object values based on their keys', () => {
    it('Replace object values based on one key', () => {
      const str = replacer('My name is {name}', { name: 'Dimitri' });
      expect(str).toEqual('My name is Dimitri');
    });

    it('Replace object values based on two keys', () => {
      const str = replacer("My name is {name} and I'm {age}.", { name: 'Dimitri', age: 25 });
      expect(str).toEqual("My name is Dimitri and I'm 25.");
    });

    it('Replace object values based on two keys in reverse order', () => {
      const str = replacer("I'm {age} and my name is {name}.", { name: 'Dimitri', age: 25 });
      expect(str).toEqual("I'm 25 and my name is Dimitri.");
    });

    it("If the key doesn't exist in object, it will not replace it in the string", () => {
      const str = replacer("I'm {age}, and my name is {name}.", { name: 'Dimitri' });
      expect(str).toEqual("I'm {age}, and my name is Dimitri.");
    });
  });
});

describe('Replace with custom pattern', () => {
  const replacer = stimmy('{{', '}}');

  describe('Replace brackets with array items', () => {
    it('Should replace brackets {{0}} in string with array[0]', () => {
      const str = replacer('Hello {{0}},', ['Dimitri']);
      expect(str).toEqual('Hello Dimitri,');
    });

    it('Should replace brackets {{0}} and {{1}} in string with array[0] and array[1]', () => {
      const str = replacer("Hello {{0}}, I'm {{1}}.", ['Dimitri', 25]);
      expect(str).toEqual("Hello Dimitri, I'm 25.");
    });
  });

  describe('Pass a string without brackets but with an array of items', () => {
    it('Should return the same string passed', () => {
      const str = replacer('This should be the same', ['testing', 'stimmy']);
      expect(str).toEqual('This should be the same');
    });
  });

  describe('Replace object values based on their keys', () => {
    it('Replace object values based on one key', () => {
      const str = replacer('My name is {{name}}', { name: 'Dimitri' });
      expect(str).toEqual('My name is Dimitri');
    });

    it('Replace object values based on two keys', () => {
      const str = replacer("My name is {{name}} and I'm {{age}}.", { name: 'Dimitri', age: 25 });
      expect(str).toEqual("My name is Dimitri and I'm 25.");
    });

    it('Replace object values based on two keys in reverse order', () => {
      const str = replacer("I'm {{age}} and my name is {{name}}.", { name: 'Dimitri', age: 25 });
      expect(str).toEqual("I'm 25 and my name is Dimitri.");
    });

    it("If the key doesn't exist in object, it will not replace it in the string", () => {
      const str = replacer("I'm {{age}}, and my name is {{name}}.", { name: 'Dimitri' });
      expect(str).toEqual("I'm {{age}}, and my name is Dimitri.");
    });
  });
});