refactor(Cypress): add nodemodules

node_modules/module-deps/test/file_cache.js

@@ -0,0 +1,58 @@
+var mdeps = require('../');
+var test = require('tap').test;
+var path = require('path');
+var through = require('through2');
+
+var files = {
+    foo: path.join(__dirname, '/files/foo.js'),
+    bar: path.join(__dirname, '/files/bar.js')
+};
+
+var sources = {
+    foo: 'require("./bar"); var tongs;',
+    bar: 'notreal tongs'
+};
+
+var fileCache = {};
+fileCache[files.foo] = sources.foo;
+fileCache[files.bar] = sources.bar;
+
+var specialReplace = function(input) {
+    return input.replace(/tongs/g, 'tangs');
+};
+
+test('uses file cache', function (t) {
+    t.plan(1);
+    var p = mdeps({
+        fileCache: fileCache,
+        transform: function (file) {
+            return through(function (buf, enc, next) {
+                this.push(specialReplace(String(buf)));
+                next();
+            });
+        },
+        transformKey: [ 'browserify', 'transform' ]
+    });
+    p.end({ id: 'foo', file: files.foo, entry: false });
+
+    var rows = [];
+    p.on('data', function (row) { rows.push(row) });
+    p.on('end', function () {
+        t.same(rows.sort(cmp), [
+            {
+                id: 'foo',
+                file: files.foo,
+                source: specialReplace(sources.foo),
+                deps: { './bar': files.bar }
+            },
+            {
+                id: files.bar,
+                file: files.bar,
+                source: specialReplace(sources.bar),
+                deps: {}
+            }
+        ].sort(cmp));
+    });
+});
+
+function cmp (a, b) { return a.id < b.id ? -1 : 1 }