Moved fn skipping policy out of QueueRunner

This should allow us to more easily support complex skipping strategies
like skipping nested cleanup fns when the corresponding befores were
skipped, or skipping specs and suites when a beforeAll fails.

* #1533

src/core/QueueRunner.js

@@ -56,7 +56,9 @@ getJasmineRequireObj().QueueRunner = function(j$) {
       pushListener: emptyFn,
       popListener: emptyFn
     };
-    this.completeOnFirstError = !!attrs.completeOnFirstError;
+
+    const SkipPolicy = attrs.SkipPolicy || j$.NeverSkipPolicy;
+    this.skipPolicy_ = new SkipPolicy(this.queueableFns, this.firstCleanupIx);
     this.errored = false;
 
     if (typeof this.onComplete !== 'function') {
@@ -77,14 +79,6 @@ getJasmineRequireObj().QueueRunner = function(j$) {
     this.run(0);
   };
 
-  QueueRunner.prototype.skipToCleanup = function(lastRanIndex) {
-    if (lastRanIndex < this.firstCleanupIx) {
-      this.run(this.firstCleanupIx);
-    } else {
-      this.run(lastRanIndex + 1);
-    }
-  };
-
   QueueRunner.prototype.clearTimeout = function(timeoutId) {
     Function.prototype.apply.apply(this.timeout.clearTimeout, [
       j$.getGlobal(),
@@ -125,11 +119,7 @@ getJasmineRequireObj().QueueRunner = function(j$) {
           }
 
           function runNext() {
-            if (self.completeOnFirstError && errored) {
-              self.skipToCleanup(iterativeIndex);
-            } else {
-              self.run(iterativeIndex + 1);
-            }
+            self.run(self.nextFnIx_(iterativeIndex));
           }
 
           if (completedSynchronously) {
@@ -227,7 +217,7 @@ getJasmineRequireObj().QueueRunner = function(j$) {
     for (
       iterativeIndex = recursiveIndex;
       iterativeIndex < length;
-      iterativeIndex++
+      iterativeIndex = this.nextFnIx_(iterativeIndex)
     ) {
       var result = this.attempt(iterativeIndex);
 
@@ -236,11 +226,6 @@ getJasmineRequireObj().QueueRunner = function(j$) {
       }
 
       self.errored = self.errored || result.errored;
-
-      if (this.completeOnFirstError && result.errored) {
-        this.skipToCleanup(iterativeIndex);
-        return;
-      }
     }
 
     this.clearStack(function() {
@@ -254,6 +239,16 @@ getJasmineRequireObj().QueueRunner = function(j$) {
     });
   };
 
+  QueueRunner.prototype.nextFnIx_ = function(currentFnIx) {
+    const result = this.skipPolicy_.skipTo(currentFnIx, this.errored);
+
+    if (result === currentFnIx) {
+      throw new Error("Can't skip to the same queueable fn that just finished");
+    }
+
+    return result;
+  };
+
   QueueRunner.prototype.diagnoseConflictingAsync_ = function(fn, retval) {
     var msg;