Allow custom HTTP status code error ranges (#308)

Adding support for custom HTTP status code error ranges

test/specs/helpers/settle.spec.js

@@ -0,0 +1,75 @@
+var settle = require('../../../lib/helpers/settle');
+
+describe('helpers::settle', function() {
+  var resolve;
+  var reject;
+
+  beforeEach(function() {
+    resolve = jasmine.createSpy('resolve');
+    reject = jasmine.createSpy('reject');
+  });
+
+  it('should resolve promise if status is not set', function() {
+    var response = {
+      config: {
+        validateStatus: function() {
+          return true;
+        }
+      }
+    };
+    settle(resolve, reject, response);
+    expect(resolve).toHaveBeenCalledWith(response);
+    expect(reject).not.toHaveBeenCalled();
+  });
+
+  it('should resolve promise if validateStatus is not set', function() {
+    var response = {
+      status: 500,
+      config: {
+      }
+    };
+    settle(resolve, reject, response);
+    expect(resolve).toHaveBeenCalledWith(response);
+    expect(reject).not.toHaveBeenCalled();
+  });
+
+  it('should resolve promise if validateStatus returns true', function() {
+    var response = {
+      status: 500,
+      config: {
+        validateStatus: function() {
+          return true;
+        }
+      }
+    };
+    settle(resolve, reject, response);
+    expect(resolve).toHaveBeenCalledWith(response);
+    expect(reject).not.toHaveBeenCalled();
+  });
+
+  it('should reject promise if validateStatus returns false', function() {
+    var response = {
+      status: 500,
+      config: {
+        validateStatus: function() {
+          return false;
+        }
+      }
+    };
+    settle(resolve, reject, response);
+    expect(resolve).not.toHaveBeenCalled();
+    expect(reject).toHaveBeenCalledWith(response);
+  });
+
+  it('should pass status to validateStatus', function() {
+    var validateStatus = jasmine.createSpy('validateStatus');
+    var response = {
+      status: 500,
+      config: {
+        validateStatus: validateStatus
+      }
+    };
+    settle(resolve, reject, response);
+    expect(validateStatus).toHaveBeenCalledWith(500);
+  });
+});