Merge pull request #2 from xeontem/feature/functor-test

lenses tests
xeontem · Mar 21, 2018 · 874be1a · 874be1a
2 parents 2254dae + 44c7cc2
commit 874be1a
Show file tree

Hide file tree

Showing 4 changed files with 89 additions and 0 deletions.
diff --git a/index.js b/index.js
@@ -77,6 +77,7 @@ const xambda = () => {
     path,
     condL,
     Apply,
+    filter,
     setter,
     getter,
     setMap,

diff --git a/test/functor.test.js b/test/functor.test.js
@@ -8,5 +8,13 @@ describe('Functors', function() {
       assert.equal(X.fmap(func)(mock)[2], 20);
     });
   });
+
+  describe('filter', function() {
+    it('must filter the functor with a given predicate', () => {
+      const predicate = val => val > 10;
+      const functor = [11, 2, 33, 9];
+      assert.equal(X.filter(predicate)(functor)[0], 11);
+    });
+  });
 });
 
diff --git a/test/lenses.test.js b/test/lenses.test.js
@@ -1,3 +1,6 @@
+const mockedData = require('./mockedData.js');
+
+
 describe('Lenses abstraction', () => {
 
   describe('lens', () => {
@@ -52,5 +55,52 @@ describe('Lenses abstraction', () => {
     });
   });
 
+  describe('view', () => {
+    it('must return the result of applying lenses to data', () => {
+      const lensField = fb => prop => X.lens(fieldGetter(fb)(prop))(X.setter(X.I)(fb)(prop));
+      const fieldGetter = fb => prop =>
+        X.S(obj => res => X.condL(X.includes('valid_field')(res))
+          (x => res)(x => fb))
+        (X.getter(X.I)(fb)(prop));
+
+      const parentLense = X.lensProp({})('parent');
+      const childLense = X.lensProp([])('child');
+      const child2Lense = X.lensProp({})('child2');
+      const fieldLense = lensField('')('field');
+
+
+      const temp = X.view(X.B(X.B(X.B(X.B(parentLense)(child2Lense))(childLense))(X.viewMap))(fieldLense))(mockedData);
+      // const temp = set(B(B(B(B(parentLense)(child2Lense))(childLense))(setMap))(fieldLense))('new value')(response);
+      // const temp = over(B(B(B(B(parentLense)(child2Lense))(childLense))(setMap))(fieldLense))(addExcl)(response);
+      // const temp = set(B(parentLense)(childLense))('hahahha')(child);
+      // const temp = over(B(B(B(parentLense)(childLense))(overMap))(fieldLense))(addExcl)(child);
+      // const temp = over(path([parentLense, childLense, overMap, fieldLense]))(addExcl)(child);
+      // const temp = over(B(parentLense)(childLense))(fmap(over(fieldLense)(addExcl)))(child);
+      assert.equal(temp[0], 'valid_field11111');
+      assert.equal(temp[1], '');
+    });
+  });
+
+  describe('set', () => {
+    it('must set a given value in place given by lenses', () => {
+      const mock = {parent: {child: [{field:'valid_field'},{field:'valid22_field2'}]}};
+
+      const lensField = fb => prop => X.lens(fieldGetter(fb)(prop))(X.setter(X.I)(fb)(prop));
+      const fieldGetter = fb => prop =>
+        X.S(obj => res => X.condL(X.includes('valid_field')(res))
+          (x => res)(x => fb))
+        (X.getter(X.I)(fb)(prop));
+
+      const parentLense = X.lensProp({})('parent');
+      const childLense = X.lensProp([])('child');
+      const child2Lense = X.lensProp({})('child2');
+      const fieldLense = lensField('')('field');
+
+      const temp = X.set(X.B(X.B(X.B(parentLense)(childLense))(X.overMap))(fieldLense))('test-data')(mock);
+      assert.equal(temp.parent.child[0].field, 'test-data');
+      assert.equal(temp.parent.child[1].field, 'test-data');
+    });
+  });
+
 });
 
diff --git a/test/mockedData.js b/test/mockedData.js
@@ -0,0 +1,30 @@
+module.exports = {
+    parent: {
+      child: [
+        {inner: [{field: 'valid_field1'}, {field: 'bad_field2'}, {field: 'valid_field3'}, false]},
+        {inner: [{field: 'valid_field4'}, {field: 'valid_field5'}, {field: null}, {}]},
+        {inner: [{field: 'valid_field7'}, {field: 'valid_field8'}, {field: 'valid_notfield9'}, true]},
+        {},
+        undefined,
+        null,
+        false
+      ],
+      child2: {
+        child: [{field: 'valid_field11111'}, {field: 'valid22_field22222'}]
+      },
+      // flights: [],
+      flights: [
+        [{flightRPH: '1', selected: true},  {flightRPH: '2', selected: true},  {flightRPH: '3', selected: true}, null],
+        [{flightRPH: '5', selected: true},  {flightRPH: '6', selected: true},  {flightRPH: '7', selected: true}],
+        [{flightRPH: '8', selected: false}, {flightRPH: '9', selected: false}, {flightRPH: '10', selected: false}],
+        [{flightRPH: '11', selected: true},  {flightRPH: '12', selected: null},  {flightRPH: '13', selected: true}],
+        [{flightRPH: '14', selected: true},  {flightRPH: '15', selected: true},  {flightRPH: '16', selected: true}],
+        null,
+        false,
+        [{flightRPH: '17', selected: false}, {flightRPH: '18', selected: false}, {flightRPH: '19', selected: false}],
+        [{flightRPH: '20', selected: true},  {flightRPH: '21', selected: true},  {flightRPH: '22', selected: true}],
+        [{flightRPH: '23', selected: false}, {flightRPH: '24', selected: false}, {flightRPH: '25', selected: false}],
+        []
+      ]
+    }
+  };