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|
package sixel
import (
"bytes"
"testing"
)
func TestWriteRaster(t *testing.T) {
tests := []struct {
name string
pan int
pad int
ph int
pv int
want string
wantErr bool
}{
{
name: "basic case",
pan: 1,
pad: 2,
want: "\"1;2",
},
{
name: "with ph and pv",
pan: 2,
pad: 3,
ph: 4,
pv: 5,
want: "\"2;3;4;5",
},
{
name: "zero pad converts to 1,1",
pan: 2,
pad: 0,
want: "\"1;1",
},
{
name: "with ph only",
pan: 1,
pad: 2,
ph: 3,
pv: 0,
want: "\"1;2;3;0",
},
{
name: "with pv only",
pan: 1,
pad: 2,
ph: 0,
pv: 3,
want: "\"1;2;0;3",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var buf bytes.Buffer
n, err := WriteRaster(&buf, tt.pan, tt.pad, tt.ph, tt.pv)
if (err != nil) != tt.wantErr {
t.Errorf("WriteRaster() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got := buf.String(); got != tt.want {
t.Errorf("WriteRaster() = %q, want %q", got, tt.want)
}
if n != len(tt.want) {
t.Errorf("WriteRaster() returned length %d, want %d", n, len(tt.want))
}
})
}
}
func TestRaster_WriteTo(t *testing.T) {
tests := []struct {
name string
raster Raster
want string
wantErr bool
}{
{
name: "basic case",
raster: Raster{Pan: 1, Pad: 2},
want: "\"1;2",
},
{
name: "full attributes",
raster: Raster{Pan: 2, Pad: 3, Ph: 4, Pv: 5},
want: "\"2;3;4;5",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var buf bytes.Buffer
n, err := tt.raster.WriteTo(&buf)
if (err != nil) != tt.wantErr {
t.Errorf("Raster.WriteTo() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got := buf.String(); got != tt.want {
t.Errorf("Raster.WriteTo() = %q, want %q", got, tt.want)
}
if n != int64(len(tt.want)) {
t.Errorf("Raster.WriteTo() returned length %d, want %d", n, len(tt.want))
}
})
}
}
func TestDecodeRaster(t *testing.T) {
tests := []struct {
name string
input string
want Raster
wantRead int
}{
{
name: "basic case",
input: "\"1;2",
want: Raster{Pan: 1, Pad: 2},
wantRead: 4,
},
{
name: "full attributes",
input: "\"2;3;4;5",
want: Raster{Pan: 2, Pad: 3, Ph: 4, Pv: 5},
wantRead: 8,
},
{
name: "empty input",
input: "",
want: Raster{},
wantRead: 0,
},
{
name: "invalid start character",
input: "x1;2",
want: Raster{},
wantRead: 0,
},
{
name: "too short",
input: "\"1",
want: Raster{Pan: 1},
wantRead: 2,
},
{
name: "invalid character",
input: "\"1;a",
want: Raster{Pan: 1},
wantRead: 3,
},
{
name: "partial attributes",
input: "\"1;2;3",
want: Raster{Pan: 1, Pad: 2, Ph: 3},
wantRead: 6,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, n := DecodeRaster([]byte(tt.input))
if got != tt.want {
t.Errorf("DecodeRaster() = %+v, want %+v", got, tt.want)
}
if n != tt.wantRead {
t.Errorf("DecodeRaster() read = %d, want %d", n, tt.wantRead)
}
})
}
}
func TestRaster_String(t *testing.T) {
tests := []struct {
name string
raster Raster
want string
}{
{
name: "basic case",
raster: Raster{Pan: 1, Pad: 2},
want: "\"1;2",
},
{
name: "full attributes",
raster: Raster{Pan: 2, Pad: 3, Ph: 4, Pv: 5},
want: "\"2;3;4;5",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := tt.raster.String(); got != tt.want {
t.Errorf("Raster.String() = %q, want %q", got, tt.want)
}
})
}
}
|
