feature: Create JSON config test

Author: mrkjdy

features/json_config.feature

@@ -0,0 +1,64 @@
+Feature: JSON config
+
+  Background:
+    Given I've ensured cucumber-json-formatter is installed
+    And a file named "assert_args_and_exec.js" with:
+      """
+      const assert = require("assert/strict");
+      assert(process.argv[0].endsWith("node"));
+      assert(process.argv[1].endsWith("assert_args_and_exec.js"));
+      assert.equal(process.argv[2], "cucumber-json-formatter");
+      require("child_process").execSync(process.argv[2], { stdio: "inherit" });
+      """
+
+  Scenario: passed example with config args
+    Given a file named "cypress/e2e/a.feature" with:
+      """
+      Feature: a feature
+        Scenario: a scenario
+          Given a step
+      """
+    And a file named "cypress/support/step_definitions/steps.js" with:
+      """
+      const { Given } = require("@badeball/cypress-cucumber-preprocessor");
+      Given("a step", function() {})
+      """
+    And additional preprocessor configuration
+      """
+      {
+        "json": {
+          "args": ["assert_args_and_exec.js", "cucumber-json-formatter"],
+          "enabled": true,
+          "formatter": "node"
+        }
+      }
+      """
+    When I run cypress
+    Then it passes
+    And there should be a JSON output similar to "fixtures/passed-example.json"
+
+  Scenario: passed example with jsonArgs through -e
+    Given a file named "cypress/e2e/a.feature" with:
+      """
+      Feature: a feature
+        Scenario: a scenario
+          Given a step
+      """
+    And a file named "cypress/support/step_definitions/steps.js" with:
+      """
+      const { Given } = require("@badeball/cypress-cucumber-preprocessor");
+      Given("a step", function() {})
+      """
+    And additional preprocessor configuration
+      """
+      {
+        "json": {
+          "enabled": true,
+          "formatter": "node"
+        }
+      }
+      """
+    When I run cypress with "-e jsonArgs=[\"assert_args_and_exec.js\",\"cucumber-json-formatter\"]"
+    Then it passes
+    And there should be a JSON output similar to "fixtures/passed-example.json"
+