index.test.js

const { expect } = require('chai');
const index = require('./index');

const { decode } = index;

describe('Address encoder', () => {
  describe('[POSITIVE] Should decode properly', () => {
    let results;
    let error;

    const requiredFields = ['country', 'city', 'zipCode', 'streetName', 'streetNumber'];
    const positive = [
      {
        // Normal
        text: 'country:Finland|state:Uusimaa|city:Helsinki|zipCode:00100|streetName:Ludviginkatu|streetNumber:6',
        fields: ['country', 'state', 'city', 'zipCode', 'streetName', 'streetNumber'],
      },
      {
        // Interchangeable fields
        text: 'city:Helsinki|state:Uusimaa|country:Finland|zipCode:00100|streetName:Ludviginkatu|streetNumber:6',
        fields: ['country', 'state', 'city', 'zipCode', 'streetName', 'streetNumber'],
      },
      {
        // Spaces in-between
        text: 'country:New Zealand|state:Bay of Plenty|city:White Pine Bush|zipCode:3191|streetName:White Pine Bush Road|streetNumber:479',
        fields: ['country', 'state', 'city', 'zipCode', 'streetName', 'streetNumber'],
      },
      {
        // Other interesting special characters
        text: "country:Aäöم武кв.-`''´`|state:Aäöم武кв.-`''´`|city:Aäöم武кв.-`''´`|zipCode:3191|streetName:Aäöم武кв.-`''´`|streetNumber:479",
        fields: ['country', 'state', 'city', 'zipCode', 'streetName', 'streetNumber'],
      },
    ];

    try {
      results = positive.map((testCase) => {
        return {
          decoded: decode(testCase.text, requiredFields),
          fields: testCase.fields,
        };
      });
    } catch (e) {
      error = e;
    }

    it('Should not return any error for all cases', () => {
      expect(error).to.be.undefined;
    });

    it('Should return all fields in the string', () => {
      results.forEach((result) => {
        expect(result.decoded).to.have.all.keys(result.fields);
      });
    });
  });

  describe('[NEGATIVE] Should fail to decode duplicate', () => {
    let error;

    const requiredFields = ['city'];
    const negative = [
      {
        // duplicate
        text: 'country:Finland|state:Uusimaa|city:Helsinki|city:Helsinki|zipCode:00100|streetName:Ludviginkatu|streetNumber:6',
        fields: ['country', 'state', 'city', 'zipCode', 'streetName', 'streetNumber'],
      },
    ];

    try {
      negative.map((testCase) => {
        return {
          decoded: decode(testCase.text, requiredFields),
          fields: testCase.fields,
        };
      });
    } catch (e) {
      error = e;
    }

    it('Should throw error', () => {
      expect(error.message).to.be.equal('Detect duplication of field city in fromAddress or toAddress');
    });
  });

  describe('[NEGATIVE] Should fail to decode invalid required field', () => {
    let error;

    const requiredFields = ['invalid'];
    const negative = [
      {
        // ok
        text: 'country:Finland|state:Uusimaa|city:Helsinki|zipCode:00100|streetName:Ludviginkatu|streetNumber:6',
        fields: ['country', 'state', 'city', 'zipCode', 'streetName', 'streetNumber'],
      },
    ];

    try {
      negative.map((testCase) => {
        return {
          decoded: decode(testCase.text, requiredFields),
          fields: testCase.fields,
        };
      });
    } catch (e) {
      error = e;
    }

    it('Should throw error', () => {
      expect(error.message).to.be.equal('Missing invalid from input text');
    });
  });

  describe('[NEGATIVE] Should fail to decode invalid required field', () => {
    it('Should throw missing address input', () => {
      expect(() => decode(undefined)).to.throw('Missing "address" input');
    });
    it('Should throw invalid value error', () => {
      expect(() => decode('invalid')).to.throw('Invalid value undefined');
    });
    it('Should throw invalid key error', () => {
      expect(() => decode('|')).to.throw('Invalid key');
    });
  });
});