package acme import ( "database/sql" "errors" "fmt" "testing" ) func TestIsErrNotFound(t *testing.T) { type args struct { err error } tests := []struct { name string args args want bool }{ {"true ErrNotFound", args{ErrNotFound}, true}, {"true sql.ErrNoRows", args{sql.ErrNoRows}, true}, {"true wrapped ErrNotFound", args{fmt.Errorf("something failed: %w", ErrNotFound)}, true}, {"true wrapped sql.ErrNoRows", args{fmt.Errorf("something failed: %w", sql.ErrNoRows)}, true}, {"false other", args{errors.New("not found")}, false}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { if got := IsErrNotFound(tt.args.err); got != tt.want { t.Errorf("IsErrNotFound() = %v, want %v", got, tt.want) } }) } }