Issue #151 fixed, test improved and README.md example changed

exercises/22-Matrix-Builder/README.md

@@ -11,9 +11,9 @@ This number represents the amount of rows and columns for the matrix. Example:
 This function should return an array of arrays that represents the matrix. Example: 3 should return:
 ```md
 [
-  [1, 1, 1],
-  [1, 1, 1],
-  [1, 1, 1]
+  [0, 1, 1],
+  [1, 0, 1],
+  [0, 0, 0]
 ]
 ```
 

exercises/22-Matrix-Builder/test.js

@@ -8,7 +8,7 @@ global.console.log = console.log = jest.fn((text) => _buffer += text + "\n");
 
 const app_content = fs.readFileSync(path.resolve(__dirname, './app.js'), 'utf8');
 
-test("You should create a function named matrixBuilder", function(){
+test("You should create a function named matrixBuilder.", function(){
   const file = rewire("./app.js");
   const myFunc = file.__get__('matrixBuilder');
   expect(myFunc).toBeTruthy();
@@ -19,25 +19,23 @@ test('You have to use the console.log function to print the correct output.', fu
     expect(console.log.mock.calls.length > 0).toBe(true);
 });
 
-test('The output in the console should match the one in the instructions!', function () {
-    const _app = rewire('./app.js');
-
-    function matrixBuilder(matrix){
-      let newMatrix = [];
-      let newArray = [];
-      for (let x =0; x < matrix; x++){
-        newMatrix.push(newArray)
-      }
-      for (let i =0; i < matrix; i++){
-        newArray.push(1) 
-      }
-      return newMatrix
-    }
-
-    let _test = matrixBuilder(5)
-    expect(_buffer).toMatch(_test.map(n => n).join(","));
-  });
-
-
+test('The matrix should have the ammount of rows and columns required as parameter.', function () {
+    const file = rewire("./app.js");
+    const myFunc = file.__get__('matrixBuilder');
 
+    let _test = myFunc(5);
+    expect(_test.length.toString()).toMatch("5");
+    expect(_test[0].length.toString()).toMatch("5");
+});
 
+test('The matrix should only have 0 or 1 as values.', function(){
+    for(let i = 0; i < 5; i++){
+        for(let j = 0; j < 5; j++){
+            let condition = false;
+            if(_test[i][j] == 0 || _test[i][j]== 1){
+                condition = true;
+            }
+            expect(condition).toBeTruthy();
+        }
+    }
+});