Add ability to combine multiple fetaure files into one spec

Author: darrinholst

lib/featuresLoader.js

@@ -0,0 +1,54 @@
+/* eslint-disable no-eval */
+const glob = require("glob");
+const path = require("path");
+const fs = require("fs");
+const log = require("debug")("cypress:cucumber");
+const { getStepDefinitionsPaths } = require("./getStepDefinitionsPaths");
+
+// This is the template for the file that we will send back to cypress instead of the text of a
+// feature file
+const createCucumber = (specs, toRequire) =>
+  `
+  const {resolveAndRunStepDefinition, defineParameterType, given, when, then, and, but, defineStep} = require('cypress-cucumber-preprocessor/lib/resolveStepDefinition');
+  const Given = window.Given = window.given = given;
+  const When = window.When = window.when = when;
+  const Then = window.Then = window.then = then;
+  const And = window.And = window.and = and;
+  const But = window.But = window.but = but;
+  window.defineParameterType = defineParameterType;
+  window.defineStep = defineStep;
+
+  const { createTestsFromFeature } = require('cypress-cucumber-preprocessor/lib/createTestsFromFeature');
+  ${eval(toRequire).join("\n")}
+  const {Parser, Compiler} = require('gherkin');
+
+  ${specs
+    .map(spec => `createTestsFromFeature(new Parser().parse(\`${spec}\`))`)
+    .join("\n")}
+  `;
+
+module.exports = function(_, filePath) {
+  log("compiling", filePath);
+
+  const features = glob.sync(`${path.dirname(filePath)}/**/*.feature`);
+
+  const stepDefinitionsToRequire = [
+    ...new Set(
+      features.reduce(
+        requires =>
+          requires.concat(
+            getStepDefinitionsPaths(filePath).map(
+              sdPath => `require('${sdPath}')`
+            )
+          ),
+        []
+      )
+    )
+  ];
+
+  const specs = features.map(featurePath =>
+    fs.readFileSync(featurePath).toString()
+  );
+
+  return createCucumber(specs, stepDefinitionsToRequire);
+};

lib/index.js

@@ -5,6 +5,7 @@ const browserify = require("@cypress/browserify-preprocessor");
 const log = require("debug")("cypress:cucumber");
 const chokidar = require("chokidar");
 const compile = require("./loader.js");
+const compileFeatures = require("./featuresLoader.js");
 const stepDefinitionPath = require("./stepDefinitionPath.js");
 
 const transform = file => {
@@ -15,7 +16,10 @@ const transform = file => {
   }
 
   function end() {
-    if (file.match(".feature$")) {
+    if (file.match(".features$")) {
+      log("compiling features ", file);
+      this.queue(compileFeatures(data, file));
+    } else if (file.match(".feature$")) {
       log("compiling feature ", file);
       this.queue(compile(data, file));
     } else {