var assert = require("assert");

var repoSetup = require("../utils/repository_setup");

var promisify = require("promisify-node");

var fse = promisify(require("fs-extra"));

var path = require("path");

var local = path.join.bind(path, __dirname);

describe("ConvenientLine", function() {

var repoPath = local("../repos/convenientLineTest");

var unicodeLine = "Ťḥ𝖎ṧ ℓỈ𝓃ệ çǒ𝚗ẗảḭṋṦ Û𝐧ǐ𝗰ṓḍ𝔢\n";

var asciiLine = "but this line doesn't\n";

beforeEach(function() {

var test = this;

return repoSetup.createRepository(repoPath)

.then(function(repo) {

return repoSetup.commitFileToRepo(

repo,

"fileWithUnicodeChars",

unicodeLine + asciiLine

);

})

.then(function(commit) {

return commit.getDiff();

})

.then(function(diff) {

return diff[0].patches();

})

.then(function(patches) {

return patches[0].hunks();

})

.then(function(hunks) {

return hunks[0].lines();

})

.then(function(lines) {

test.unicodeLine = lines[0];

test.asciiLine = lines[1];

});

});

after(function() {

return fse.remove(repoPath);

});

it("can parse the byte length of a unicode string", function() {

var line = this.unicodeLine;

assert.equal(line.contentLen(), Buffer.byteLength(unicodeLine, "utf8"));

});

it("can get a line that contains unicode", function() {

var line = this.unicodeLine;

assert.equal(line.content(), unicodeLine);

});

it("can parse the byte length of a ascii string", function() {

var line = this.asciiLine;

assert.equal(line.contentLen(), Buffer.byteLength(asciiLine, "utf8"));

});

it("can get a line that contains ascii", function() {

var line = this.asciiLine;

assert.equal(line.content(), asciiLine);

});

});