refactor: add cache tests and remove cache merge task (#14)

util/string_test.go

@@ -0,0 +1,29 @@
+package util
+
+import "testing"
+
+func TestStripNonAlphaNumeric(t *testing.T) {
+	type args struct {
+		value string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "remove trailing slash",
+			args: args{
+				value: "tt1234567/",
+			},
+			want: "tt1234567",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := StripNonAlphaNumeric(tt.args.value); got != tt.want {
+				t.Errorf("StripNonAlphaNumeric() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}