From be65d3b49d3565d6f9d3689d674c1697b38502e2 Mon Sep 17 00:00:00 2001
From: Lance Ball <lball@redhat.com>
Date: Mon, 3 Apr 2017 10:53:25 -0400
Subject: [PATCH] fix: remove default maxFailures option

And clean up error output during tests.
---
 index.js       |  2 +-
 lib/circuit.js |  1 -
 test/test.js   | 30 +++++++++++++++---------------
 3 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/index.js b/index.js
index 9e5b5834..1d5a5ed1 100644
--- a/index.js
+++ b/index.js
@@ -6,7 +6,7 @@
 
   const defaults = {
     timeout: 10000, // 10 seconds
-    maxFailures: 10,
+    errorThresholdPercentage: 50,
     resetTimeout: 30000, // 30 seconds
     Promise: Fidelity
   };
diff --git a/lib/circuit.js b/lib/circuit.js
index 07fdf1c9..fa5595e1 100644
--- a/lib/circuit.js
+++ b/lib/circuit.js
@@ -44,7 +44,6 @@ class CircuitBreaker extends EventEmitter {
     this.options = options;
     this.options.rollingCountTimeout = options.rollingCountTimeout || 10000;
     this.options.rollingCountBuckets = options.rollingCountBuckets || 10;
-    this.options.errorThresholdPercentage = 50;
     this.Promise = options.Promise;
 
     this[STATUS] = new Status(this.options);
diff --git a/test/test.js b/test/test.js
index e66a1567..3fcb2f1b 100644
--- a/test/test.js
+++ b/test/test.js
@@ -177,7 +177,7 @@ test('Works with callback functions that fail', (t) => {
 
 test('Breaker opens after a configurable number of failures', (t) => {
   t.plan(2);
-  const breaker = cb(passFail, { maxFailures: 1 });
+  const breaker = cb(passFail, { errorThresholdPercentage: 10 });
 
   breaker.fire(-1)
     .then(t.fail)
@@ -197,7 +197,7 @@ test('Breaker resets after a configurable amount of time', (t) => {
   t.plan(1);
   const fails = -1;
   const resetTimeout = 100;
-  const breaker = cb(passFail, { maxFailures: 1, resetTimeout });
+  const breaker = cb(passFail, { errorThresholdPercentage: 1, resetTimeout });
 
   breaker.fire(fails)
     .catch(() => {
@@ -213,7 +213,7 @@ test('Breaker resets after a configurable amount of time', (t) => {
 
 test.skip('Breaker status reflects open state', (t) => {
   t.plan(1);
-  const breaker = cb(passFail, {maxFailures: 0, resetTimeout: 100});
+  const breaker = cb(passFail, {errorThresholdPercentage: 0, resetTimeout: 100});
   breaker.fire(-1)
     .then(t.fail)
     .catch(() => t.ok(breaker.status.window[0].isCircuitBreakerOpen))
@@ -224,7 +224,7 @@ test('Breaker resets for circuits with a fallback function', (t) => {
   t.plan(2);
   const fails = -1;
   const resetTimeout = 100;
-  const breaker = cb(passFail, { maxFailures: 1, resetTimeout });
+  const breaker = cb(passFail, { errorThresholdPercentage: 1, resetTimeout });
   breaker.fallback((x) => x * 2);
 
   breaker.on('fallback', (result) => {
@@ -248,7 +248,7 @@ test('Executes fallback action, if one exists, when breaker is open', (t) => {
   t.plan(1);
   const fails = -1;
   const expected = 100;
-  const breaker = cb(passFail, { maxFailures: 1 });
+  const breaker = cb(passFail, { errorThresholdPercentage: 1 });
   breaker.fallback(() => expected);
   breaker.fire(fails)
     .then(() => {
@@ -262,7 +262,7 @@ test('Executes fallback action, if one exists, when breaker is open', (t) => {
 test('Passes arguments to the fallback function', (t) => {
   t.plan(1);
   const fails = -1;
-  const breaker = cb(passFail, { maxFailures: 1 });
+  const breaker = cb(passFail, { errorThresholdPercentage: 1 });
   breaker.on('fallback', (result) => {
     t.equals(result, fails, 'fallback received expected parameters');
     t.end();
@@ -273,7 +273,7 @@ test('Passes arguments to the fallback function', (t) => {
 
 test('Returns self from fallback()', (t) => {
   t.plan(1);
-  cb(passFail, { maxFailures: 1 })
+  cb(passFail, { errorThresholdPercentage: 1 })
     .fallback(() => {})
     .fire(1)
     .then((result) => {
@@ -324,7 +324,7 @@ test('CircuitBreaker emits failure when falling back', (t) => {
 
 test('CircuitBreaker status', (t) => {
   t.plan(11);
-  const breaker = cb(passFail, { maxFailures: 1 });
+  const breaker = cb(passFail, { errorThresholdPercentage: 1 });
   const deepEqual = (t, expected) => (actual) => t.deepEqual(actual, expected, 'expected status values');
 
   Fidelity.all([
@@ -401,7 +401,7 @@ test('CircuitBreaker status listeners', (t) => {
 
 test('CircuitBreaker fallback event', (t) => {
   t.plan(1);
-  const breaker = cb(passFail, {maxFailures: 0});
+  const breaker = cb(passFail, {errorThresholdPercentage: 0});
   breaker.fallback((x) => x);
   breaker.on('fallback', (value) => {
     t.equal(value, -1, 'fallback value received');
@@ -413,7 +413,7 @@ test('CircuitBreaker fallback event', (t) => {
 test('CircuitBreaker events', (t) => {
   t.plan(41);
   const options = {
-    maxFailures: 1,
+    errorThresholdPercentage: 1,
     timeout: 500,
     resetTimeout: 500
   };
@@ -520,7 +520,7 @@ test('CircuitBreaker events', (t) => {
 test('circuit halfOpen', (t) => {
   t.plan(8);
   const options = {
-    maxFailures: 1,
+    errorThresholdPercentage: 1,
     resetTimeout: 100
   };
 
@@ -559,7 +559,7 @@ test('circuit halfOpen', (t) => {
 test('CircuitBreaker fallback as a rejected promise', (t) => {
   t.plan(1);
   const options = {
-    maxFailures: 1,
+    errorThresholdPercentage: 1,
     resetTimeout: 100
   };
   const input = -1;
@@ -579,7 +579,7 @@ test('CircuitBreaker fallback as a rejected promise', (t) => {
 test('CircuitBreaker fallback as a CircuitBreaker', (t) => {
   t.plan(1);
   const options = {
-    maxFailures: 1,
+    errorThresholdPercentage: 1,
     resetTimeout: 100
   };
 
@@ -595,7 +595,7 @@ test('CircuitBreaker fallback as a CircuitBreaker', (t) => {
 test('CircuitBreaker fallback as a CircuitBreaker that fails', (t) => {
   t.plan(1);
   const options = {
-    maxFailures: 1,
+    errorThresholdPercentage: 1,
     resetTimeout: 100
   };
 
@@ -611,7 +611,7 @@ test('CircuitBreaker fallback as a CircuitBreaker that fails', (t) => {
 test('CircuitBreaker fallback as a CircuitBreaker', (t) => {
   t.plan(1);
   const options = {
-    maxFailures: 1,
+    errorThresholdPercentage: 1,
     resetTimeout: 100
   };