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+var assert = require('assert'),
+ fs = require('fs-extra'),
+ path = require('path'),
+ temp = require('unique-temp-dir'),
+ watcher = require('../lib/watcher');
+
+describe('watcher', function() {
+ var main, sibling;
+ var origin = path.join(__dirname, 'fixtures', 'watcher');
+
+ beforeEach(function() {
+ var fixture = temp();
+ fs.ensureDirSync(fixture);
+ fs.copySync(origin, fixture);
+ main = fs.realpathSync(path.join(fixture, 'main'));
+ sibling = fs.realpathSync(path.join(fixture, 'sibling'));
+ });
+
+ describe('with directory', function() {
+ beforeEach(function() {
+ watcher.reset({
+ directory: main,
+ includePath: [main]
+ });
+ });
+
+ describe('when a file is changed', function() {
+ describe('and it is in the graph', function() {
+ describe('if it is a partial', function() {
+ it('should record its ancestors as changed', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.changed, [
+ path.join(main, 'one.scss'),
+ ]);
+ });
+
+ it('should record its descendants as added', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.added, [
+ path.join(main, 'partials', '_three.scss'),
+ ]);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record itself as changed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.changed, [
+ file,
+ ]);
+ });
+
+ it('should record its descendants as added', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.added, [
+ path.join(main, 'partials', '_one.scss'),
+ path.join(main, 'partials', '_three.scss'),
+ ]);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+ });
+
+ describe('and is not in the graph', function() {
+ describe('if it is a partial', function() {
+ it('should not record anything', function() {
+ var file = path.join(sibling, 'partials', '_three.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files, {
+ added: [],
+ changed: [],
+ removed: [],
+ });
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record itself as changed', function() {
+ var file = path.join(sibling, 'three.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files, {
+ added: [],
+ changed: [file],
+ removed: [],
+ });
+ });
+ });
+ });
+ });
+
+ describe('when a file is added', function() {
+ describe('and it is in the graph', function() {
+ describe('if it is a partial', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(main, 'partials', '_three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.added, []);
+ });
+
+ it('should record its descendants as added', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.added, [
+ path.join(main, 'partials', '_three.scss')
+ ]);
+ });
+
+ it('should record nothing as changed', function() {
+ var file = path.join(main, 'partials', '_three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.changed, []);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(main, 'partials', '_three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(main, 'three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.added, []);
+ });
+
+ it('should record its descendants as added', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.added, [
+ path.join(main, 'partials', '_one.scss'),
+ path.join(main, 'partials', '_three.scss'),
+ ]);
+ });
+
+ it('should record nothing as changed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.changed, []);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+ });
+ });
+
+ describe('when a file is removed', function() {
+ describe('and it is in the graph', function() {
+ describe('if it is a partial', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.added, []);
+ });
+
+ it('should record its ancestors as changed', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.changed, [
+ path.join(main, 'one.scss'),
+ ]);
+ });
+
+ it('should record itself as removed', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.removed, [file]);
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.added, []);
+ });
+
+ it('should record nothing as changed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.changed, []);
+ });
+
+ it('should record itself as removed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.removed, [file]);
+ });
+ });
+ });
+
+ describe('and is not in the graph', function() {
+ describe('if it is a partial', function() {
+ it('should record nothing', function() {
+ var file = path.join(sibling, 'partials', '_three.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files, {
+ added: [],
+ changed: [],
+ removed: [],
+ });
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record nothing', function() {
+ var file = path.join(sibling, 'three.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files, {
+ added: [],
+ changed: [],
+ removed: [],
+ });
+ });
+ });
+ });
+ });
+ });
+
+ describe('with file', function() {
+ beforeEach(function() {
+ watcher.reset({
+ src: path.join(main, 'one.scss'),
+ includePath: [main]
+ });
+ });
+
+ describe('when a file is changed', function() {
+ describe('and it is in the graph', function() {
+ describe('if it is a partial', function() {
+ it('should record its descendants as added', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.added, [
+ path.join(main, 'partials', '_three.scss'),
+ ]);
+ });
+
+ it('should record its ancenstors as changed', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.changed, [
+ path.join(main, 'one.scss'),
+ ]);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record its descendants as added', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.added, [
+ path.join(main, 'partials', '_one.scss'),
+ path.join(main, 'partials', '_three.scss'),
+ ]);
+ });
+
+ it('should record itself as changed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.changed, [file]);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+ });
+
+ describe('and it is not in the graph', function() {
+ describe('if it is a partial', function() {
+ it('should record nothing', function() {
+ var file = path.join(sibling, 'partials', '_three.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files, {
+ added: [],
+ changed: [],
+ removed: [],
+ });
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(sibling, 'three.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.added, []);
+ });
+
+ it('should record itself as changed', function() {
+ var file = path.join(sibling, 'three.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.changed, [file]);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(sibling, 'three.scss');
+ var files = watcher.changed(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+ });
+ });
+
+ describe('when a file is added', function() {
+ describe('and it is in the graph', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(main, 'partials', '_three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.added, []);
+ });
+
+ it('should record its descendants as added', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.added, [
+ path.join(main, 'partials', '_three.scss'),
+ ]);
+ });
+
+ it('should record nothing as changed', function() {
+ var file = path.join(main, 'partials', '_three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.changed, []);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(main, 'partials', '_three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+
+ describe('and it is not in the graph', function() {
+ beforeEach(function() {
+ watcher.reset({
+ src: path.join(main, 'two.scss'),
+ includePath: [main]
+ });
+ });
+
+ describe('if it is a partial', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(main, 'partials', '_three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.added, [
+ file,
+ ]);
+ });
+
+ it('should not record its descendants as added', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.added, [
+ file,
+ ]);
+ });
+
+ it('should record nothing as changed', function() {
+ var file = path.join(main, 'partials', '_three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.changed, []);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(main, 'partials', '_three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record itself as added', function() {
+ var file = path.join(main, 'three.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.added, [
+ file,
+ ]);
+ });
+
+ it('should record nothing as changed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.changed, []);
+ });
+
+ it('should record nothing as removed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.added(file);
+ assert.deepEqual(files.removed, []);
+ });
+ });
+ });
+ });
+
+ describe('when a file is removed', function() {
+ describe('and it is in the graph', function() {
+ describe('if it is a partial', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.added, []);
+ });
+
+ it('should record its ancestors as changed', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.changed, [
+ path.join(main, 'one.scss'),
+ ]);
+ });
+
+ it('should record itself as removed', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.removed, [file]);
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.added, []);
+ });
+
+ it('should record nothing as changed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.changed, []);
+ });
+
+ it('should record itself as removed', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files.removed, [file]);
+ });
+ });
+ });
+
+ describe('and is not in the graph', function() {
+ beforeEach(function() {
+ watcher.reset({
+ src: path.join(main, 'two.scss'),
+ includePath: [main]
+ });
+ });
+
+ describe('if it is a partial', function() {
+ it('should record nothing as added', function() {
+ var file = path.join(main, 'partials', '_one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files, {
+ added: [],
+ changed: [],
+ removed: [],
+ });
+ });
+ });
+
+ describe('if it is not a partial', function() {
+ it('should record nothing', function() {
+ var file = path.join(main, 'one.scss');
+ var files = watcher.removed(file);
+ assert.deepEqual(files, {
+ added: [],
+ changed: [],
+ removed: [],
+ });
+ });
+ });
+ });
+ });
+ });
+});
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