Add 1st exception rule

test/sensiplan.spec.js

@@ -1,7 +1,8 @@
 import chai from 'chai'
 import { getTemperatureStatus } from '../lib/sensiplan'
-import tempShift from './fixtures/temp-shift.json'
+import tempShift from './fixtures/regular-rule.json'
 import lowerTempDays from './fixtures/lower-temps.json'
+import firstException from './fixtures/first-exception-rule.json'
 
 const expect = chai.expect
 
@@ -17,7 +18,7 @@ describe.only('sensiplan', () => {
       })
     })
 
-    it('detects temperature shift', function () {
+    it('detects temperature shift according to regular rule', function () {
       const status = getTemperatureStatus('2018-06-14', tempShift)
       expect(status).to.eql({
         low: [36.7, 36.55, 36.45, 36.5, 36.55, 36.6, 36.55],
@@ -26,5 +27,15 @@ describe.only('sensiplan', () => {
         shiftDetected: true
       })
     })
+
+    it('detects temperature shift according to 1st exception rule', function () {
+      const status = getTemperatureStatus('2018-06-14', firstException)
+      expect(status).to.eql({
+        low: [36.7, 36.55, 36.45, 36.5, 36.55, 36.6, 36.55],
+        ltl: 36.6,
+        high: [36.8, 36.85, 36.75, 36.65],
+        shiftDetected: true
+      })
+    })
   })
 })