violet/favicons/favicons_test.go

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package favicons
import (
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"bytes"
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"database/sql"
_ "embed"
_ "github.com/mattn/go-sqlite3"
"github.com/stretchr/testify/assert"
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"image/png"
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"testing"
)
var (
//go:embed example.svg
exampleSvg []byte
//go:embed example.png
examplePng []byte
//go:embed example.ico
exampleIco []byte
)
func TestFaviconsNew(t *testing.T) {
getFaviconViaRequest = func(_ string) ([]byte, error) { return exampleSvg, nil }
db, err := sql.Open("sqlite3", "file::memory:?cache=shared")
assert.NoError(t, err)
favicons := New(db, "inkscape")
_, err = db.Exec("insert into favicons (host, svg, png, ico) values (?, ?, ?, ?)", "example.com", "https://example.com/assets/logo.svg", "", "")
assert.NoError(t, err)
favicons.cLock.Lock()
assert.NoError(t, favicons.internalCompile(favicons.faviconMap))
favicons.cLock.Unlock()
icons := favicons.GetIcons("example.com")
assert.Equal(t, "https://example.com/assets/logo.svg", icons.Svg.Url)
assert.Equal(t, "74cdc17d0502a690941799c327d9ca1ed042e76c784def43a42937f2eed270b4", icons.Svg.Hash)
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assert.NotEqual(t, "", icons.Png.Hash)
assert.NotEqual(t, "", icons.Ico.Hash)
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// verify png bytes are a valid png image
pngRaw := bytes.NewBuffer(icons.Png.Raw)
_, err = png.Decode(pngRaw)
assert.NoError(t, err)
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}