377 lines
17 KiB
Go
377 lines
17 KiB
Go
package imgbundler
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import (
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"context"
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"crypto/rand"
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_ "embed"
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"fmt"
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"net/http"
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"net/http/httptest"
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"path/filepath"
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"strings"
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"sync"
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"testing"
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tassert "github.com/stretchr/testify/assert"
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"oss.terrastruct.com/d2/lib/log"
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"oss.terrastruct.com/d2/lib/simplelog"
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"oss.terrastruct.com/util-go/go2"
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)
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//go:embed test_png.png
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var testPNGFile []byte
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type roundTripFunc func(req *http.Request) *http.Response
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func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
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return f(req), nil
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}
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func TestRegex(t *testing.T) {
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urls := []string{
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"https://icons.terrastruct.com/essentials/004-picture.svg",
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"http://icons.terrastruct.com/essentials/004-picture.svg",
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}
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notURLs := []string{
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"hi.png",
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"./cat.png",
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"/cat.png",
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}
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for _, href := range append(urls, notURLs...) {
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str := fmt.Sprintf(`<image href="%s" />`, href)
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matches := imageRegex.FindAllStringSubmatch(str, -1)
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if len(matches) != 1 {
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t.Fatalf("uri regex didn't match %s", str)
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}
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}
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}
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func TestInlineRemote(t *testing.T) {
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imgCache = sync.Map{}
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ctx := log.WithTB(context.Background(), t)
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svgURL := "https://icons.terrastruct.com/essentials/004-picture.svg"
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pngURL := "https://cdn4.iconfinder.com/data/icons/smart-phones-technologies/512/android-phone.png"
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sampleSVG := fmt.Sprintf(`<?xml version="1.0" encoding="utf-8"?>
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<svg
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id="d2-svg"
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style="background: white;"
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xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
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width="328" height="587" viewBox="-100 -131 328 587"><style type="text/css">
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<![CDATA[
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.shape {
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shape-rendering: geometricPrecision;
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stroke-linejoin: round;
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}
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.connection {
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stroke-linecap: round;
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stroke-linejoin: round;
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}
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]]>
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</style><g id="a"><g class="shape" ><image href="%s" x="0" y="0" width="128" height="128" style="fill:#FFFFFF;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="64.000000" y="-15.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><image href="%s" x="0" y="228" width="128" height="128" style="fill:#FFFFFF;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="64.000000" y="213.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="(a -> b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 64.000000 130.000000 C 64.000000 168.000000 64.000000 188.000000 64.000000 224.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" /></g><style type="text/css"><![CDATA[
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.text-bold {
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font-family: "font-bold";
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}
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@font-face {
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font-family: font-bold;
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src: url("REMOVED");
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}]]></style></svg>
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`, svgURL, pngURL)
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httpClient.Transport = roundTripFunc(func(req *http.Request) *http.Response {
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respRecorder := httptest.NewRecorder()
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switch req.URL.String() {
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case svgURL:
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respRecorder.WriteString(`<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\r\n<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->\r\n<svg version=\"1.1\" id=\"Capa_1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" x=\"0px\" y=\"0px\"\r\n\t viewBox=\"0 0 58 58\" style=\"enable-background:new 0 0 58 58;\" xml:space=\"preserve\">\r\n<rect x=\"1\" y=\"7\" style=\"fill:#C3E1ED;stroke:#E7ECED;stroke-width:2;stroke-miterlimit:10;\" width=\"56\" height=\"44\"/>\r\n<circle style=\"fill:#ED8A19;\" cx=\"16\" cy=\"17.569\" r=\"6.569\"/>\r\n<polygon style=\"fill:#1A9172;\" points=\"56,36.111 55,35 43,24 32.5,35.5 37.983,40.983 42,45 56,45 \"/>\r\n<polygon style=\"fill:#1A9172;\" points=\"2,49 26,49 21.983,44.983 11.017,34.017 2,41.956 \"/>\r\n<rect x=\"2\" y=\"45\" style=\"fill:#6B5B4B;\" width=\"54\" height=\"5\"/>\r\n<polygon style=\"fill:#25AE88;\" points=\"37.983,40.983 27.017,30.017 10,45 42,45 \"/>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n</svg>`)
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case pngURL:
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respRecorder.Write(testPNGFile)
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default:
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t.Fatal(req.URL)
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}
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respRecorder.WriteHeader(200)
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return respRecorder.Result()
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})
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l := simplelog.FromLibLog(ctx)
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out, err := BundleRemote(ctx, l, []byte(sampleSVG), false)
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if err != nil {
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t.Fatal(err)
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}
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if strings.Contains(string(out), "https://") {
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t.Fatal("links still exist")
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}
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if !strings.Contains(string(out), "image/svg+xml") {
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t.Fatal("no svg image inserted")
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}
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if !strings.Contains(string(out), "image/png") {
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t.Fatal("no png image inserted")
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}
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imgCache = sync.Map{}
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// Test almost too large response
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httpClient.Transport = roundTripFunc(func(req *http.Request) *http.Response {
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respRecorder := httptest.NewRecorder()
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bytes := make([]byte, maxImageSize)
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rand.Read(bytes)
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respRecorder.Write(bytes)
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respRecorder.WriteHeader(200)
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return respRecorder.Result()
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})
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_, err = BundleRemote(ctx, l, []byte(sampleSVG), false)
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if err != nil {
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t.Fatal(err)
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}
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imgCache = sync.Map{}
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// Test too large response
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httpClient.Transport = roundTripFunc(func(req *http.Request) *http.Response {
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respRecorder := httptest.NewRecorder()
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bytes := make([]byte, maxImageSize+1)
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rand.Read(bytes)
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respRecorder.Write(bytes)
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respRecorder.WriteHeader(200)
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return respRecorder.Result()
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})
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_, err = BundleRemote(ctx, l, []byte(sampleSVG), false)
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if err == nil {
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t.Fatal("expected error")
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}
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imgCache = sync.Map{}
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// Test error response
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httpClient.Transport = roundTripFunc(func(req *http.Request) *http.Response {
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respRecorder := httptest.NewRecorder()
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respRecorder.WriteHeader(500)
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return respRecorder.Result()
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})
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_, err = BundleRemote(ctx, l, []byte(sampleSVG), false)
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if err == nil {
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t.Fatal("expected error")
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}
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}
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func TestInlineLocal(t *testing.T) {
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imgCache = sync.Map{}
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ctx := log.WithTB(context.Background(), t)
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svgURL, err := filepath.Abs("./test_svg.svg")
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if err != nil {
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t.Fatal(err)
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}
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pngURL, err := filepath.Abs("./test_png.png")
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if err != nil {
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t.Fatal(err)
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}
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template := `<?xml version="1.0" encoding="utf-8"?>
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<svg
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id="d2-svg"
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style="background: white;"
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xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
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width="328" height="587" viewBox="-100 -131 328 587"><style type="text/css">
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<![CDATA[
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.shape {
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shape-rendering: geometricPrecision;
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stroke-linejoin: round;
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}
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.connection {
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stroke-linecap: round;
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stroke-linejoin: round;
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}
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]]>
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</style><g id="a"><g class="shape" ><image href="%s" x="0" y="0" width="128" height="128" style="fill:#FFFFFF;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="64.000000" y="-15.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><image href="%s" x="0" y="228" width="128" height="128" style="fill:#FFFFFF;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="64.000000" y="213.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="(a -> b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 64.000000 130.000000 C 64.000000 168.000000 64.000000 188.000000 64.000000 224.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" /></g><style type="text/css"><![CDATA[
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.text-bold {
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font-family: "font-bold";
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}
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@font-face {
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font-family: font-bold;
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src: url("REMOVED");
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}]]></style></svg>
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`
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sampleSVG := fmt.Sprintf(template, svgURL, pngURL)
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l := simplelog.FromLibLog(ctx)
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// It doesn't matter what the inputPath is for absolute paths
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out, err := BundleLocal(ctx, l, "asdf", []byte(sampleSVG), false)
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if err != nil {
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t.Fatal(err)
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}
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if strings.Contains(string(out), svgURL) {
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t.Fatal("links still exist")
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}
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if !strings.Contains(string(out), "image/svg+xml") {
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t.Fatal("no svg image inserted")
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}
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if !strings.Contains(string(out), "image/png") {
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t.Fatal("no png image inserted")
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}
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// Relative icon path should be relative to input path
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svgURL = "./test_svg.svg"
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sampleSVG = fmt.Sprintf(template, svgURL, pngURL)
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var erred bool
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l = simplelog.Make(
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go2.Pointer(func(s string) {
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log.Debug(ctx, s)
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}),
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go2.Pointer(func(s string) {
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log.Info(ctx, s)
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}),
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go2.Pointer(func(s string) {
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erred = true
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}),
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)
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// Bogus directory not found
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_, err = BundleLocal(ctx, l, "asdf/asdf/asdf", []byte(sampleSVG), false)
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if err == nil {
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t.Fatal("Expected error for invalid input path")
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}
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if !erred {
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t.Fatal("expected failure")
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}
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// - is ignored
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_, err = BundleLocal(ctx, l, "-", []byte(sampleSVG), false)
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if err != nil {
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t.Fatal(err)
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}
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svgURL = "./test_svg.svg"
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sampleSVG = fmt.Sprintf(template, svgURL, pngURL)
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// correct relative path
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_, err = BundleLocal(ctx, l, "./nested/a.d2", []byte(sampleSVG), false)
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if err != nil {
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t.Fatal(err)
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}
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}
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// TestDuplicateURL ensures that we don't fetch the same image twice
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func TestDuplicateURL(t *testing.T) {
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imgCache = sync.Map{}
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ctx := log.WithTB(context.Background(), t)
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url1 := "https://icons.terrastruct.com/essentials/004-picture.svg"
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url2 := "https://icons.terrastruct.com/essentials/004-picture.svg"
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sampleSVG := fmt.Sprintf(`<?xml version="1.0" encoding="utf-8"?>
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<svg
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id="d2-svg"
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style="background: white;"
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xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
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width="328" height="587" viewBox="-100 -131 328 587"><style type="text/css">
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<![CDATA[
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.shape {
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shape-rendering: geometricPrecision;
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stroke-linejoin: round;
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}
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.connection {
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stroke-linecap: round;
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stroke-linejoin: round;
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}
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]]>
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</style><g id="a"><g class="shape" ><image href="%s" x="0" y="0" width="128" height="128" style="fill:#FFFFFF;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="64.000000" y="-15.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><image href="%s" x="0" y="228" width="128" height="128" style="fill:#FFFFFF;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="64.000000" y="213.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="(a -> b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 64.000000 130.000000 C 64.000000 168.000000 64.000000 188.000000 64.000000 224.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" /></g><style type="text/css"><![CDATA[
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.text-bold {
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font-family: "font-bold";
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}
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@font-face {
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font-family: font-bold;
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src: url("REMOVED");
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}]]></style></svg>
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`, url1, url2)
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count := 0
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httpClient.Transport = roundTripFunc(func(req *http.Request) *http.Response {
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count++
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respRecorder := httptest.NewRecorder()
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respRecorder.WriteString(`<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\r\n<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->\r\n<svg version=\"1.1\" id=\"Capa_1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" x=\"0px\" y=\"0px\"\r\n\t viewBox=\"0 0 58 58\" style=\"enable-background:new 0 0 58 58;\" xml:space=\"preserve\">\r\n<rect x=\"1\" y=\"7\" style=\"fill:#C3E1ED;stroke:#E7ECED;stroke-width:2;stroke-miterlimit:10;\" width=\"56\" height=\"44\"/>\r\n<circle style=\"fill:#ED8A19;\" cx=\"16\" cy=\"17.569\" r=\"6.569\"/>\r\n<polygon style=\"fill:#1A9172;\" points=\"56,36.111 55,35 43,24 32.5,35.5 37.983,40.983 42,45 56,45 \"/>\r\n<polygon style=\"fill:#1A9172;\" points=\"2,49 26,49 21.983,44.983 11.017,34.017 2,41.956 \"/>\r\n<rect x=\"2\" y=\"45\" style=\"fill:#6B5B4B;\" width=\"54\" height=\"5\"/>\r\n<polygon style=\"fill:#25AE88;\" points=\"37.983,40.983 27.017,30.017 10,45 42,45 \"/>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n</svg>`)
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respRecorder.WriteHeader(200)
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return respRecorder.Result()
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})
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l := simplelog.FromLibLog(ctx)
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out, err := BundleRemote(ctx, l, []byte(sampleSVG), false)
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if err != nil {
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t.Fatal(err)
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}
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tassert.Equal(t, 1, count)
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if strings.Contains(string(out), url1) {
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t.Fatal("links still exist")
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}
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tassert.Equal(t, 2, strings.Count(string(out), "image/svg+xml"))
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}
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func TestImgCache(t *testing.T) {
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imgCache = sync.Map{}
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ctx := log.WithTB(context.Background(), t)
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url1 := "https://icons.terrastruct.com/essentials/004-picture.svg"
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url2 := "https://icons.terrastruct.com/essentials/004-picture.svg"
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sampleSVG := fmt.Sprintf(`<?xml version="1.0" encoding="utf-8"?>
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<svg
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id="d2-svg"
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style="background: white;"
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xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
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width="328" height="587" viewBox="-100 -131 328 587"><style type="text/css">
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<![CDATA[
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.shape {
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shape-rendering: geometricPrecision;
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stroke-linejoin: round;
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}
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.connection {
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stroke-linecap: round;
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stroke-linejoin: round;
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}
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]]>
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</style><g id="a"><g class="shape" ><image href="%s" x="0" y="0" width="128" height="128" style="fill:#FFFFFF;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="64.000000" y="-15.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><image href="%s" x="0" y="228" width="128" height="128" style="fill:#FFFFFF;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="64.000000" y="213.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="(a -> b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 64.000000 130.000000 C 64.000000 168.000000 64.000000 188.000000 64.000000 224.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" /></g><style type="text/css"><![CDATA[
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.text-bold {
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font-family: "font-bold";
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}
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@font-face {
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font-family: font-bold;
|
|
src: url("REMOVED");
|
|
}]]></style></svg>
|
|
`, url1, url2)
|
|
|
|
count := 0
|
|
|
|
httpClient.Transport = roundTripFunc(func(req *http.Request) *http.Response {
|
|
count++
|
|
respRecorder := httptest.NewRecorder()
|
|
respRecorder.WriteString(`<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\r\n<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->\r\n<svg version=\"1.1\" id=\"Capa_1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" x=\"0px\" y=\"0px\"\r\n\t viewBox=\"0 0 58 58\" style=\"enable-background:new 0 0 58 58;\" xml:space=\"preserve\">\r\n<rect x=\"1\" y=\"7\" style=\"fill:#C3E1ED;stroke:#E7ECED;stroke-width:2;stroke-miterlimit:10;\" width=\"56\" height=\"44\"/>\r\n<circle style=\"fill:#ED8A19;\" cx=\"16\" cy=\"17.569\" r=\"6.569\"/>\r\n<polygon style=\"fill:#1A9172;\" points=\"56,36.111 55,35 43,24 32.5,35.5 37.983,40.983 42,45 56,45 \"/>\r\n<polygon style=\"fill:#1A9172;\" points=\"2,49 26,49 21.983,44.983 11.017,34.017 2,41.956 \"/>\r\n<rect x=\"2\" y=\"45\" style=\"fill:#6B5B4B;\" width=\"54\" height=\"5\"/>\r\n<polygon style=\"fill:#25AE88;\" points=\"37.983,40.983 27.017,30.017 10,45 42,45 \"/>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n<g>\r\n</g>\r\n</svg>`)
|
|
respRecorder.WriteHeader(200)
|
|
return respRecorder.Result()
|
|
})
|
|
|
|
l := simplelog.FromLibLog(ctx)
|
|
// Using a cache, imgs are not refetched on multiple runs
|
|
_, err := BundleRemote(ctx, l, []byte(sampleSVG), true)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
_, err = BundleRemote(ctx, l, []byte(sampleSVG), true)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
tassert.Equal(t, 1, count)
|
|
|
|
// With cache disabled, it refetches
|
|
count = 0
|
|
_, err = BundleRemote(ctx, l, []byte(sampleSVG), false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
_, err = BundleRemote(ctx, l, []byte(sampleSVG), false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
tassert.Equal(t, 2, count)
|
|
}
|