diff options
Diffstat (limited to 'pkg/types/ascii/ascii_test.go')
-rw-r--r-- | pkg/types/ascii/ascii_test.go | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/pkg/types/ascii/ascii_test.go b/pkg/types/ascii/ascii_test.go new file mode 100644 index 0000000..d0d578b --- /dev/null +++ b/pkg/types/ascii/ascii_test.go @@ -0,0 +1,290 @@ +package ascii + +import ( + "bytes" + "fmt" + "io" + "reflect" + "testing" +) + +func TestWritePair(t *testing.T) { + key := "red" + value := "1" + want := "red=1\n" + + buf := bytes.NewBuffer(nil) + if err := WritePair(buf, key, value); err != nil { + t.Errorf("write pair: %v", err) + } + if got := string(buf.Bytes()); got != want { + t.Errorf("got key-value pair %q but wanted %q", got, want) + } +} + +func TestReadPairs(t *testing.T) { + type collection struct { + String string + Num uint64 + Array [2]byte + Arrays [][2]byte + } + + var c collection + parser := func(m *Map) error { + if err := m.DequeueString("string", &c.String); err != nil { + return fmt.Errorf("string: %w", err) + } + if err := m.DequeueUint64("num", &c.Num); err != nil { + return fmt.Errorf("num: %w", err) + } + if err := m.DequeueArray("array", c.Array[:]); err != nil { + return fmt.Errorf("array: %w", err) + } + + n := m.NumValues("arrays") + if n == 0 { + return fmt.Errorf("arrays: empty") + } + c.Arrays = make([][2]byte, 0, n) + for i := uint64(0); i < n; i++ { + var array [2]byte + if err := m.DequeueArray("arrays", array[:]); err != nil { + return fmt.Errorf("%d: arrays: %w", i+1, err) + } + c.Arrays = append(c.Arrays, array) + } + return nil + } + + for _, table := range []struct { + desc string + input io.Reader + want *collection + }{ + { + desc: "invalid: cannot parse into map", + input: bytes.NewBufferString("string=a"), + }, + { + desc: "invalid: malformed value", + input: bytes.NewBufferString("string=a\nnum=a\narray=0101\narrays=0101\narrays=ffff\n"), + }, + { + desc: "invalid: remaining value", + input: bytes.NewBufferString("string=a\nnum=1\narray=0101\narrays=0101\narrays=ffff\nhello=abc\n"), + }, + { + desc: "valid", + input: bytes.NewBufferString("string=a\nnum=1\narray=0101\narrays=0101\narrays=ffff\n"), + want: &collection{ + String: "a", + Num: 1, + Array: [2]byte{1, 1}, + Arrays: [][2]byte{ + [2]byte{1, 1}, + [2]byte{255, 255}, + }, + }, + }, + } { + c = collection{} + err := ReadPairs(table.input, parser) + if got, want := err != nil, table.want == nil; got != want { + t.Errorf("%s: got error %v but wanted %v: %v", table.desc, got, want, err) + } + if err != nil { + continue + } + if got, want := c, *table.want; !reflect.DeepEqual(got, want) { + t.Errorf("%s: got collection\n%+v\nbut wanted\n%+v", table.desc, got, want) + } + } +} + +func TestNewMap(t *testing.T) { + for _, table := range []struct { + desc string + input io.Reader + want Map + }{ + { + desc: "invalid: trim: no key-value pairs", + input: bytes.NewBuffer(nil), + }, + { + desc: "invalid: trim: ending", + input: bytes.NewBufferString("red=1\nblue=2"), + }, + { + desc: "invalid: missing key-value pair on line", + input: bytes.NewBufferString("red=1\n\nblue=2\n"), + }, + { + desc: "valid", + input: bytes.NewBufferString("red=1\nblue=1\nblue=2\ngreen=1\nred==2\n"), + want: map[string][]string{ + "red": []string{"1", "=2"}, + "blue": []string{"1", "2"}, + "green": []string{"1"}, + }, + }, + } { + m, err := newMap(table.input) + if got, want := err != nil, table.want == nil; got != want { + t.Errorf("%s: got error %v but wanted %v: %v", table.desc, got, want, err) + } + if err != nil { + continue + } + if got, want := m, table.want; !reflect.DeepEqual(got, want) { + t.Errorf("%s: got map\n%v\nbut wanted\n%v", table.desc, got, want) + } + } +} + +func TestDone(t *testing.T) { + for _, table := range []struct { + desc string + input Map + wantOK bool + }{ + { + desc: "valid: keys with no values", + input: map[string][]string{ + "red": []string{"1"}, + "blue": []string{}, + }, + }, + { + desc: "valid: empty", + input: map[string][]string{}, + wantOK: true, + }, + { + desc: "valid: keys with no values", + input: map[string][]string{ + "red": []string{}, + "blue": []string{}, + }, + wantOK: true, + }, + } { + err := table.input.done() + if got, want := err != nil, !table.wantOK; got != want { + t.Errorf("%s: got error %v but wanted %v: %v", table.desc, got, want, err) + } + } +} + +func TestNumValues(t *testing.T) { + var m Map = map[string][]string{ + "red": []string{}, + "blue": []string{"1"}, + "green": []string{"a", "bc", "def"}, + } + if got, want := m.NumValues("orange"), uint64(0); got != want { + t.Errorf("orange: got %d values but wanted %d", got, want) + } + if got, want := m.NumValues("red"), uint64(0); got != want { + t.Errorf("red: got %d values but wanted %d", got, want) + } + if got, want := m.NumValues("blue"), uint64(1); got != want { + t.Errorf("blue: got %d values but wanted %d", got, want) + } + if got, want := m.NumValues("green"), uint64(3); got != want { + t.Errorf("green: got %d values but wanted %d", got, want) + } +} + +func TestDequeue(t *testing.T) { + var first Map = map[string][]string{ + "red": []string{}, + "blue": []string{"1"}, + "green": []string{"a", "bc", "def"}, + } + if _, err := first.dequeue("orange"); err == nil { + t.Errorf("orange: expected dequeue error but got none") + } + if _, err := first.dequeue("red"); err == nil { + t.Errorf("red: expected dequeue error but got none") + } + + str, err := first.dequeue("green") + if err != nil { + t.Errorf("green: expected dequeue to succeed but got error: %v", err) + } + if got, want := str, "a"; got != want { + t.Errorf("green: got value %q but wanted %q", got, want) + } + + var second Map = map[string][]string{ + "red": []string{}, + "blue": []string{"1"}, + "green": []string{"bc", "def"}, + } + if got, want := second, first; !reflect.DeepEqual(got, want) { + t.Errorf("got map\n%v\nbut wanted\n%v", got, want) + } +} + +func TestDequeueString(t *testing.T) { + var first Map = map[string][]string{ + "blue": []string{"1"}, + } + + var str string + if err := first.DequeueString("blue", &str); err != nil { + t.Errorf("expected dequeue ok but got error: %v", err) + return + } + if got, want := str, "1"; got != want { + t.Errorf("got string %q but wanted %q", got, want) + } + if err := first.DequeueString("blue", &str); err == nil { + t.Errorf("expected dequeue error but got none") + } +} + +func TestDequeueUint64(t *testing.T) { + var first Map = map[string][]string{ + "blue": []string{"a", "1"}, + } + + var num uint64 + if err := first.DequeueUint64("blue", &num); err == nil { + t.Errorf("expected parse error but got none") + } + if err := first.DequeueUint64("blue", &num); err != nil { + t.Errorf("expected dequeue success but got error: %v", err) + } + if got, want := num, uint64(1); got != want { + t.Errorf("got number %d but wanted %d", got, want) + } + if err := first.DequeueUint64("blue", &num); err == nil { + t.Errorf("expected dequeue error but got none") + } +} + +func TestDequeueArray(t *testing.T) { + var first Map = map[string][]string{ + "blue": []string{"00FF", "0001ff", "00ff"}, + } + + var arr [2]byte + if err := first.DequeueArray("blue", arr[:]); err == nil { + t.Errorf("expected parse error but got none (bad hex)") + } + if err := first.DequeueArray("blue", arr[:]); err == nil { + t.Errorf("expected parse error but got none (bad length)") + } + if err := first.DequeueArray("blue", arr[:]); err != nil { + t.Errorf("expected dequeue success but got error: %v", err) + } + if got, want := arr, [2]byte{0, 255}; got != want { + t.Errorf("got array %v but wanted %v", got, want) + } + if err := first.DequeueArray("blue", arr[:]); err == nil { + t.Errorf("expected dequeue error but got none") + } +} |