/
bmp_test.go
68 lines (65 loc) · 1.41 KB
/
bmp_test.go
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package media
import (
"bytes"
"io"
"os"
"testing"
)
func TestBMP(t *testing.T) {
tests := []struct {
name string
filePath string
height int
width int
mediaType ContentType
err error
}{
{"valid bmp", "./test-images/test.bmp", 512, 512, BMPType, nil},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
png, err := os.Open(tt.filePath)
if err != nil {
t.Error(err)
return
}
m, err := Parse(png)
if err != nil {
if err != tt.err {
t.Errorf("Error got %q, want %q", err, tt.err)
}
return
}
mediaType := m.Type()
mediaSize := m.Size()
if mediaType != tt.mediaType {
t.Errorf("ContentType got %q, want %q", mediaType, tt.mediaType)
}
if mediaSize.Width != tt.width {
t.Errorf("Width got %d, want %d", mediaSize.Width, tt.width)
}
if mediaSize.Height != tt.height {
t.Errorf("Height got %d, want %d", mediaSize.Height, tt.height)
}
})
}
}
func TestBMPErrors(t *testing.T) {
invalidBMP := []byte{66, 77, 56, 4, 4, 0, 0, 0, 0, 0, 54, 4, 0, 0, 8}
tests := []struct {
name string
reader io.Reader
err error
}{
{"invalid header length error", bytes.NewReader(invalidBMP), ErrBMPInvalidHeaderLength},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
_, err := Parse(tt.reader)
if err != tt.err {
t.Errorf("Error got %q, want %q", err, tt.err)
}
})
}
}