First release

node_modules/m3u8-parser/test/line-stream.test.js

@@ -0,0 +1,80 @@
+import {LineStream} from '../src';
+import QUnit from 'qunit';
+
+QUnit.module('LineStream', {
+  beforeEach() {
+    this.lineStream = new LineStream();
+  }
+});
+QUnit.test('empty inputs produce no tokens', function(assert) {
+  let data = false;
+
+  this.lineStream.on('data', function() {
+    data = true;
+  });
+  this.lineStream.push('');
+  assert.ok(!data, 'no tokens were produced');
+});
+QUnit.test('splits on newlines', function(assert) {
+  const lines = [];
+
+  this.lineStream.on('data', function(line) {
+    lines.push(line);
+  });
+  this.lineStream.push('#EXTM3U\nmovie.ts\n');
+
+  assert.strictEqual(2, lines.length, 'two lines are ready');
+  assert.strictEqual('#EXTM3U', lines.shift(), 'the first line is the first token');
+  assert.strictEqual('movie.ts', lines.shift(), 'the second line is the second token');
+});
+QUnit.test('empty lines become empty strings', function(assert) {
+  const lines = [];
+
+  this.lineStream.on('data', function(line) {
+    lines.push(line);
+  });
+  this.lineStream.push('\n\n');
+
+  assert.strictEqual(2, lines.length, 'two lines are ready');
+  assert.strictEqual('', lines.shift(), 'the first line is empty');
+  assert.strictEqual('', lines.shift(), 'the second line is empty');
+});
+QUnit.test('handles lines broken across appends', function(assert) {
+  const lines = [];
+
+  this.lineStream.on('data', function(line) {
+    lines.push(line);
+  });
+  this.lineStream.push('#EXTM');
+  assert.strictEqual(0, lines.length, 'no lines are ready');
+
+  this.lineStream.push('3U\nmovie.ts\n');
+  assert.strictEqual(2, lines.length, 'two lines are ready');
+  assert.strictEqual('#EXTM3U', lines.shift(), 'the first line is the first token');
+  assert.strictEqual('movie.ts', lines.shift(), 'the second line is the second token');
+});
+QUnit.test('stops sending events after deregistering', function(assert) {
+  const temporaryLines = [];
+  const temporary = function(line) {
+    temporaryLines.push(line);
+  };
+  const permanentLines = [];
+  const permanent = function(line) {
+    permanentLines.push(line);
+  };
+
+  this.lineStream.on('data', temporary);
+  this.lineStream.on('data', permanent);
+  this.lineStream.push('line one\n');
+  assert.strictEqual(
+    temporaryLines.length,
+    permanentLines.length,
+    'both callbacks receive the event'
+  );
+
+  assert.ok(this.lineStream.off('data', temporary), 'a listener was removed');
+  this.lineStream.push('line two\n');
+  assert.strictEqual(1, temporaryLines.length, 'no new events are received');
+  assert.strictEqual(2, permanentLines.length, 'new events are still received');
+});
+