MatrixTest, TransposeTest, ZipperTest

exercises/practice/matrix/src/test/java/MatrixTest.java

@@ -1,27 +1,30 @@
 import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
 public class MatrixTest {
 
     @Test
+    @DisplayName("extract row from one number matrix test")
     public void extractRowFromOneNumberMatrixTest() {
         String matrixAsString = "1";
         int rowIndex = 1;
-        int[] expectedRow = {1};
+        int[] expectedRow = { 1 };
 
         Matrix matrix = new Matrix(matrixAsString);
 
         assertThat(matrix.getRow(rowIndex)).isEqualTo(expectedRow);
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("extract row from matrix test")
     @Test
     public void extractRowFromMatrixTest() {
         String matrixAsString = "1 2\n3 4";
         int rowIndex = 2;
-        int[] expectedRow = {3, 4};
+        int[] expectedRow = { 3, 4 };
 
         Matrix matrix = new Matrix(matrixAsString);
 
@@ -30,10 +33,11 @@ public void extractRowFromMatrixTest() {
 
     @Disabled("Remove to run test")
     @Test
+    @DisplayName("extract row from diff widths matrix test")
     public void extractRowFromDiffWidthsMatrixTest() {
         String matrixAsString = "1 2\n10 20";
         int rowIndex = 2;
-        int[] expectedRow = {10, 20};
+        int[] expectedRow = { 10, 20 };
 
         Matrix matrix = new Matrix(matrixAsString);
 
@@ -42,10 +46,11 @@ public void extractRowFromDiffWidthsMatrixTest() {
 
     @Disabled("Remove to run test")
     @Test
+    @DisplayName("extract row from non square matrix test")
     public void extractRowFromNonSquareMatrixTest() {
         String matrixAsString = "1 2 3\n4 5 6\n7 8 9\n8 7 6";
         int rowIndex = 4;
-        int[] expectedRow = {8, 7, 6};
+        int[] expectedRow = { 8, 7, 6 };
 
         Matrix matrix = new Matrix(matrixAsString);
 
@@ -54,10 +59,11 @@ public void extractRowFromNonSquareMatrixTest() {
 
     @Disabled("Remove to run test")
     @Test
+    @DisplayName("extract column from one number matrix test")
     public void extractColumnFromOneNumberMatrixTest() {
         String matrixAsString = "1";
         int columnIndex = 1;
-        int[] expectedColumn = {1};
+        int[] expectedColumn = { 1 };
 
         Matrix matrix = new Matrix(matrixAsString);
 
@@ -66,10 +72,11 @@ public void extractColumnFromOneNumberMatrixTest() {
 
     @Disabled("Remove to run test")
     @Test
+    @DisplayName("extract column matrix test")
     public void extractColumnMatrixTest() {
         String matrixAsString = "1 2 3\n4 5 6\n7 8 9";
         int columnIndex = 3;
-        int[] expectedColumn = {3, 6, 9};
+        int[] expectedColumn = { 3, 6, 9 };
 
         Matrix matrix = new Matrix(matrixAsString);
 
@@ -78,10 +85,11 @@ public void extractColumnMatrixTest() {
 
     @Disabled("Remove to run test")
     @Test
+    @DisplayName("extract column from non square matrix test")
     public void extractColumnFromNonSquareMatrixTest() {
         String matrixAsString = "1 2 3 4\n5 6 7 8\n9 8 7 6";
         int columnIndex = 4;
-        int[] expectedColumn = {4, 8, 6};
+        int[] expectedColumn = { 4, 8, 6 };
 
         Matrix matrix = new Matrix(matrixAsString);
 
@@ -90,10 +98,11 @@ public void extractColumnFromNonSquareMatrixTest() {
 
     @Disabled("Remove to run test")
     @Test
+    @DisplayName("extract column from diff widths matrix test")
     public void extractColumnFromDiffWidthsMatrixTest() {
         String matrixAsString = "89 1903 3\n18 3 1\n9 4 800";
         int columnIndex = 2;
-        int[] expectedColumn = {1903, 3, 4};
+        int[] expectedColumn = { 1903, 3, 4 };
 
         Matrix matrix = new Matrix(matrixAsString);