test: Added tests for wordsearch module

pkg/wordsearch/core_test.go

@@ -0,0 +1,41 @@
+package wordsearch
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/cheatsnake/shadify/pkg/assists"
+)
+
+func TestGenerateSuccess(t *testing.T) {
+	wordsDB, _ = assists.ReadFileLineByLine(filepath.Join("..", "..", "data", "nouns.txt"))
+	testValues := [][]int{{8, 8}, {5, 5}, {16, 16}, {20, 12}, {12, 20}, {5, 20}, {20, 5}}
+
+	for _, tv := range testValues {
+		result, _ := Generate(tv[0], tv[1])
+
+		if result.Width != tv[0] ||
+			result.Height != tv[1] ||
+			len(result.Grid)*len(result.Grid[0]) != tv[0]*tv[1] {
+			t.Errorf(
+				"Generate(%d, %d) FAILED. Expected result.Width = %d, result.Height = %d and total ceils = %d, but got %d, %d, %d",
+				tv[0], tv[1], tv[0], tv[1], tv[0]*tv[1], result.Width, result.Height, len(result.Grid)*len(result.Grid[0]))
+		} else {
+			t.Logf("Generate(%d, %d) PASSED", tv[0], tv[1])
+		}
+	}
+}
+
+func TestGenerateFail(t *testing.T) {
+	testValues := [][]int{{4, 8}, {21, 8}, {8, 4}, {8, 21}, {17, 16}}
+
+	for _, tv := range testValues {
+		_, err := Generate(tv[0], tv[1])
+
+		if err == nil {
+			t.Errorf("Generate(%d, %d) FAILED. Expected error != nil, but got nil", tv[0], tv[1])
+		} else {
+			t.Logf("Generate(%d, %d) -> '%+v', PASSED", tv[0], tv[1], err)
+		}
+	}
+}