Merge branch 'master'

test/sympto/cervix.spec.js

@@ -0,0 +1,114 @@
+import chai from 'chai'
+import getCervixStatus from '../../lib/sympto/cervix'
+
+const expect = chai.expect
+
+function turnIntoCycleDayObject(value, fakeDate) {
+  const hardAndClosed = {
+    isHard: true,
+    isClosed: true
+  }
+  const hardAndOpen = {
+    isHard: true,
+    isClosed: false
+  }
+  const softAndClosed = {
+    isHard: false,
+    isClosed: true
+  }
+  const softAndOpen = {
+    isHard: false,
+    isClosed: false
+  }
+  const cervixStates = [hardAndClosed, hardAndOpen, softAndClosed, softAndOpen]
+  return {
+    cervix : cervixStates[value],
+    date: fakeDate
+  }
+}
+
+describe('sympto', () => {
+  describe('detects cervix shift', () => {
+    it('when an ideal cycle happens', function () {
+      const values = [0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 0, 0, 0, 0]
+        .map(turnIntoCycleDayObject)
+      const status = getCervixStatus(values)
+      expect(status).to.eql({
+        detected: true,
+        cervixPeak: {
+          date: 13,
+          cervix: {
+            isHard: true,
+            isClosed: false
+          }
+        },
+        evaluationCompleteDay: {
+          date: 16,
+          cervix: {
+            isHard: true,
+            isClosed: true
+          }
+        }
+      })
+    })
+
+    it('at the very first day of cycle days even if later shift happens again', function () {
+      const values = [2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+        .map(turnIntoCycleDayObject)
+      const status = getCervixStatus(values)
+      expect(status).to.eql({
+        detected: true,
+        cervixPeak: {
+          date: 0,
+          cervix: {
+            isHard: false,
+            isClosed: true
+          }
+        },
+        evaluationCompleteDay: {
+          date: 3,
+          cervix: {
+            isHard: true,
+            isClosed: true
+          }
+        }
+      })
+    })
+  })
+
+  describe('detects no cervix shift', () => {
+    it('if there are less than 3 days closed and hard cervix', function () {
+      const values = [0, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 1, 1, 1, 0, 0, 2, 0]
+        .map(turnIntoCycleDayObject)
+      const status = getCervixStatus(values)
+      expect(status).to.eql({ detected: false })
+    })
+
+    it('if there are no cervix values', function () {
+      const values = [].map(turnIntoCycleDayObject)
+      const status = getCervixStatus(values)
+      expect(status).to.eql({ detected: false })
+    })
+
+    it('when the cervix values are all the same', function () {
+      const values = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+        .map(turnIntoCycleDayObject)
+      const status = getCervixStatus(values)
+      expect(status).to.eql({ detected: false })
+    })
+
+    it('if no days of hard and closed cervix are tracked', function () {
+      const values = [1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1]
+        .map(turnIntoCycleDayObject)
+      const status = getCervixStatus(values)
+      expect(status).to.eql({ detected: false })
+    })
+
+    it('if days of hard and closed cervix are fewer than 3', function () {
+      const values = [1, 3, 2, 1, 0, 2, 1, 3, 2, 0, 0, 2, 1, 3, 2, 1]
+        .map(turnIntoCycleDayObject)
+      const status = getCervixStatus(values)
+      expect(status).to.eql({ detected: false })
+    })
+  })
+})