string-looks-like

An assert utility that is used to assert multiline string. Support placeholders.

Installation

npm install -D string-looks-like

Usage

const {looksLike} = require("string-looks-like");

looksLike("Hello world!", "Hello {{\w+}}!");
looksLike(helloWorldFunction.toString(), `
function test() {
  console.log("hello {{\w+}}!");
}
`);

API

This module exports following members:

• looksLike

looksLike

looksLike(actual: String, expect: String) => Array<String | MatchObject>

Test a string with a template and throw an AssertionError if not matched.

• Whitespace in expect matches zero or more whitespaces.
• A placeholder {{}} will be converted into regexp. Matched string or the match object (with capture groups) will be stored in an array as the return value.
• Compare character-by-character.

Related projects

• html-looks-like

Changelog

• 0.1.1 (Feb 7, 2020)

  • Add: return matched result.
  • Fix: multiple placeholders.

• 0.1.0 (Feb 7, 2020)

  • First release.