test(randomised kruskal): length of walls

Generators/randomised_kruskal_test.go

@@ -0,0 +1,19 @@
+package Generators
+
+import (
+	"github.com/msmp-core/maze-generator-cli/utils"
+	"strconv"
+	"testing"
+)
+
+func TestWallsRandomisedKruskal(t *testing.T) {
+	maze, err := GenerateNewMaze(5, 5, NewRandomisedKruskal)
+	if err != nil {
+		t.Error(err.Error())
+		return
+	}
+	if len(maze.Walls) != 45 {
+		t.Error(utils.FormatTestError("bad length of total walls", strconv.Itoa(45),
+			strconv.Itoa(len(maze.Walls))))
+	}
+}

utils/test.go

@@ -0,0 +1,13 @@
+package utils
+
+import "fmt"
+
+// FormatTestError format for you your test error messages.
+//
+// excepted is the value excepted.
+// got is the value got.
+//
+// Return the formatted string
+func FormatTestError(msg string, excepted string, got string) string {
+	return fmt.Sprintf("%s\nexcepted: %s\ngot %s\n", msg, excepted, got)
+}