Bug/inherit feature tags (#176)

feat: Inherit feature tags for expression evaluation

Author: sawasawasawa

cypress/integration/TagsInheritance.feature

@@ -0,0 +1,9 @@
+@inherited-tag
+Feature: Tags Implementation
+
+  As a cucumber user I can use tag expression using both feature and scenario tags
+
+  @own-tag
+  Scenario: This scenario should run if @inherited-tag and @own-tag is present in env
+    Given '@inherited-tag and @own-tag' is in current TAGS environmental variable
+    Then this should run

lib/createTestsFromFeature.js

@@ -20,7 +20,7 @@ const createTestsFromFeature = parsedFeature => {
       section =>
         section.tags &&
         section.tags.length &&
-        shouldProceedCurrentStep(section.tags)
+        shouldProceedCurrentStep(section.tags.concat(featureTags))
     );
   } else if (!sectionsWithTagsExist) {
     everythingShouldRun = true;

lib/resolveStepDefinition.test.js

@@ -97,6 +97,17 @@ describe("Tags implementation", () => {
   );
 });
 
+describe("Tags inheritance", () => {
+  window.Cypress = {
+    env: () => "@inherited-tag and @own-tag"
+  };
+  require("../cypress/support/step_definitions/tags_implementation_with_env_set");
+
+  createTestsFromFeature(
+    readAndParseFeatureFile("./cypress/integration/TagsInheritance.feature")
+  );
+});
+
 describe("Tags with env TAGS set", () => {
   window.Cypress = {
     env: () => "@test-tag and not @ignore-tag"