formatLocation.unittest.js

"use strict";

const should = require("should");
const formatLocation = require("../lib/formatLocation");

describe("formatLocation", () => {
	const testCases = [{
		name: "undefined",
		loc: undefined,
		result: ""
	}, {
		name: "null",
		loc: null,
		result: ""
	}, {
		name: "string",
		loc: "str",
		result: "str"
	}, {
		name: "number",
		loc: 12,
		result: "12"
	}, {
		name: "line-column",
		loc: {
			start: {
				line: 1,
				column: 2
			},
			end: {
				line: 3,
				column: 4
			}
		},
		result: "1:2-3:4"
	}, {
		name: "line-column (same line)",
		loc: {
			start: {
				line: 1,
				column: 2
			},
			end: {
				line: 1,
				column: 4
			}
		},
		result: "1:2-4"
	}, {
		name: "line-column (start only)",
		loc: {
			start: {
				line: 5,
				column: 6
			}
		},
		result: "5:6"
	}, {
		name: "start-end string",
		loc: {
			start: "start",
			end: "end"
		},
		result: "start-end"
	}, {
		name: "start-end number",
		loc: {
			start: 9,
			end: 7
		},
		result: "9-7"
	}, {
		name: "line",
		loc: {
			start: {
				line: 10
			},
			end: {
				index: 20
			}
		},
		result: "10:?-+20"
	}, {
		name: "line",
		loc: {
			start: null,
			end: /f/
		},
		result: ""
	}];
	testCases.forEach(testCase => {
		it(`should format location correctly for ${testCase.name}`, () => {
			formatLocation(testCase.loc).should.be.eql(testCase.result);
		});
	});
});