#2432 add tests for remaining feature check

Author: dvargas46

karate-core/src/test/java/com/intuit/karate/core/features/RemainingFeaturesTest.java

@@ -0,0 +1,44 @@
+package com.intuit.karate.core.features;
+
+import com.intuit.karate.Results;
+import com.intuit.karate.Runner;
+import com.intuit.karate.Suite;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class RemainingFeaturesTest {
+
+  private static Suite suite;
+
+  @Test
+  void testRemainingFeaturesSingleThread() {
+    verifyRemainingFeaturesWithThreads(1);
+  }
+
+  @Test
+  void testRemainingFeaturesParallel() {
+    verifyRemainingFeaturesWithThreads(2);
+  }
+
+  /**
+   * Hooks into the current suite to return the remaining features within the test
+   * @return Remaining features count
+   */
+  public static long remainingFeatures() {
+    return suite.getFeaturesRemaining();
+  }
+
+  private void verifyRemainingFeaturesWithThreads(int threads) {
+    Runner.Builder<?> builder = Runner.builder()
+        .path("classpath:com/intuit/karate/core/features")
+        .configDir("classpath:com/intuit/karate/core/features")
+        .threads(threads);
+    builder.resolveAll();
+    suite = new Suite(builder);
+    suite.run();
+    Results results = suite.buildResults();
+    assertEquals(0, results.getFailCount(), results.getErrorMessages());
+  }
+
+}

karate-core/src/test/java/com/intuit/karate/core/features/feature1.feature

@@ -0,0 +1,7 @@
+Feature:
+
+  Scenario: feature test 1
+    * def numOfFeaturesLeft = remainingFeatures()
+    * print 'Features left (including this one):', numOfFeaturesLeft
+    # this is the first feature that runs, so there should be more than 1 feature running
+    * assert numOfFeaturesLeft > 1

karate-core/src/test/java/com/intuit/karate/core/features/feature2.feature

@@ -0,0 +1,7 @@
+Feature:
+
+  Scenario: feature test 2
+    * def numOfFeaturesLeft = remainingFeatures()
+    * print 'Features left (including this one):', numOfFeaturesLeft
+    # there should always be at least 1 feature left, even if it's the current feature running
+    * assert numOfFeaturesLeft >= 1

karate-core/src/test/java/com/intuit/karate/core/features/karate-config.js

@@ -0,0 +1,8 @@
+function karateConfig() {
+  const config = {}
+
+  const RemainingFeaturesTest = Java.type('com.intuit.karate.core.features.RemainingFeaturesTest')
+  config.remainingFeatures = RemainingFeaturesTest.remainingFeatures
+
+  return config
+}