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epub_test.go
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epub_test.go
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package epub
import (
"archive/zip"
"bytes"
"errors"
"fmt"
"io"
"log"
"net/http"
"net/http/httptest"
"os"
"os/exec"
"path/filepath"
"sort"
"strings"
"testing"
"time"
"github.com/go-shiori/go-epub/internal/storage"
"github.com/gofrs/uuid/v5"
)
const (
// Set this to false to not delete the generated test EPUB file
doCleanup = true
testAuthorTemplate = `<dc:creator id="creator">%s</dc:creator>`
testContainerContents = `<?xml version="1.0" encoding="UTF-8"?>
<container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
<rootfiles>
<rootfile full-path="EPUB/package.opf" media-type="application/oebps-package+xml" />
</rootfiles>
</container>`
testCoverCSSFilename = "cover.css"
testCoverCSSSource = "testdata/cover.css"
testCoverContentTemplate = `<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">
<head>
<title dir="auto">%s</title>
<link rel="stylesheet" type="text/css" href="%s"></link>
</head>
<body dir="auto">
<img src="%s" alt="Cover Image" />
</body>
</html>`
testCSSLinkTemplate = `<link rel="stylesheet" type="text/css" href="%s"></link>`
testDirPerm = 0775
testEpubAuthor = "Hingle McCringleberry"
testEpubcheckJarfile = "epubcheck.jar"
testEpubcheckPrefix = "epubcheck"
testEpubFilename = "My EPUB.epub"
testEpubIdentifier = "urn:uuid:51b7c9ea-b2a2-49c6-9d8c-522790786d15"
testEpubLang = "fr"
testEpubPpd = "rtl"
testEpubTitle = "My title"
testEpubDescription = "My description"
testFontCSSFilename = "font.css"
testFontCSSSource = "testdata/font.css"
testFontFromFileSource = "testdata/redacted-script-regular.ttf"
testIdentifierTemplate = `<dc:identifier id="pub-id">%s</dc:identifier>`
testImageFromFileFilename = "testfromfile.png"
testImageFromFileSource = "testdata/gophercolor16x16.png"
testNumberFilenameStart = "01filenametest.png"
testSpaceInFilename = "filename with space.png"
testVideoFromFileFilename = "testfromfile.mp4"
testVideoFromFileSource = "testdata/sample_640x360.mp4"
testAudioFromFileFilename = "sample_audio.wav"
testAudioFromFileSource = "testdata/sample_audio.wav"
testLangTemplate = `<dc:language>%s</dc:language>`
testDescTemplate = `<dc:description>%s</dc:description>`
testPpdTemplate = `page-progression-direction="%s"`
testMimetypeContents = "application/epub+zip"
testPkgContentTemplate = `<?xml version="1.0" encoding="UTF-8"?>
<package xmlns="http://www.idpf.org/2007/opf" unique-identifier="pub-id" version="3.0">
<metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
<dc:identifier id="pub-id">%s</dc:identifier>
<dc:title>%s</dc:title>
<dc:language>en</dc:language>
<meta property="dcterms:modified">%s</meta>
</metadata>
<manifest>
<item id="nav" href="nav.xhtml" media-type="application/xhtml+xml" properties="nav"></item>
<item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml"></item>
</manifest>
<spine toc="ncx"></spine>
</package>`
testSectionBody = ` <h1>Section 1</h1>
<p>This is a paragraph.</p>`
testSectionBodyWithnotabledownloadImage = ` <h1>Section 1</h1>
<p>This is a paragraph.</p><p><img src="https://example.com/fileNotExist.jpg" loading="lazy"/></p>`
testSectionBodyWithImageEmbed = ` <h1>Section 1</h1>
<p>This is a paragraph.</p>
<p><img src="../images/gophercolor16x16.png" loading="lazy"/></p>`
testSectionContentTemplate = `<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">
<head>
<title dir="auto">%s</title>
</head>
<body dir="auto">
%s
</body>
</html>`
testSectionFilename = "section0001.xhtml"
testSectionTitle = "Section 1"
testTempDirPrefix = "go-epub"
testTitleTemplate = `<dc:title>%s</dc:title>`
)
func TestEpubWrite(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
// Check the contents of the package file
// NOTE: This is tested first because it contains a timestamp; testing it later may result in a different timestamp
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, pkgFilename))
if err != nil {
t.Errorf("Unexpected error reading package file: %s", err)
}
testPkgContents := fmt.Sprintf(testPkgContentTemplate, e.Identifier(), testEpubTitle, time.Now().UTC().Format("2006-01-02T15:04:05Z"))
if trimAllSpace(string(contents)) != trimAllSpace(testPkgContents) {
t.Errorf(
"Package file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testPkgContents)
}
// Check the contents of the mimetype file
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, mimetypeFilename))
if err != nil {
t.Errorf("Unexpected error reading mimetype file: %s", err)
}
if trimAllSpace(string(contents)) != trimAllSpace(testMimetypeContents) {
t.Errorf(
"Mimetype file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testMimetypeContents)
}
// Check the contents of the container file
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, metaInfFolderName, containerFilename))
if err != nil {
t.Errorf("Unexpected error reading container file: %s", err)
}
if trimAllSpace(string(contents)) != trimAllSpace(testContainerContents) {
t.Errorf(
"Container file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testContainerContents)
}
cleanup(testEpubFilename, tempDir)
}
func TestAddCSS(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
testCSS1Path, err := e.AddCSS(testCoverCSSSource, testCoverCSSFilename)
if err != nil {
t.Errorf("Error adding CSS: %s", err)
}
testCSS2Path, err := e.AddCSS(testCoverCSSSource, "")
if err != nil {
t.Errorf("Error adding CSS: %s", err)
}
// Add a section with CSS to make sure the stylesheet link for a section is properly created
testSectionPath, err := e.AddSection(testSectionBody, testSectionTitle, testSectionFilename, testCSS1Path)
if err != nil {
t.Errorf("Error adding section with CSS: %s", err)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
// The CSS file path is relative to the XHTML folder
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testCSS1Path))
if err != nil {
t.Errorf("Unexpected error reading CSS file: %s", err)
}
testCSSContents, err := os.ReadFile(testCoverCSSSource)
if err != nil {
t.Errorf("Unexpected error reading CSS file: %s", err)
}
if trimAllSpace(string(contents)) != trimAllSpace(string(testCSSContents)) {
t.Errorf(
"CSS file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testCSSContents)
}
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testCSS2Path))
if err != nil {
t.Errorf("Unexpected error reading CSS file: %s", err)
}
if trimAllSpace(string(contents)) != trimAllSpace(string(testCSSContents)) {
t.Errorf(
"CSS file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testCSSContents)
}
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testSectionPath))
if err != nil {
t.Errorf("Unexpected error reading section file: %s", err)
}
testCSSLinkElement := fmt.Sprintf(testCSSLinkTemplate, testCSS1Path)
if !strings.Contains(string(contents), testCSSLinkElement) {
t.Errorf(
"CSS link doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testCSSLinkElement)
}
cleanup(testEpubFilename, tempDir)
}
func TestAddFont(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
testFontFromFilePath, err := e.AddFont(testFontFromFileSource, "")
if err != nil {
t.Errorf("Error adding font: %s", err)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
// The font path is relative to the XHTML folder
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testFontFromFilePath))
if err != nil {
t.Errorf("Unexpected error reading font file from EPUB: %s", err)
}
testFontContents, err := os.ReadFile(testFontFromFileSource)
if err != nil {
t.Errorf("Unexpected error reading testdata font file: %s", err)
}
if !bytes.Equal(contents, testFontContents) {
t.Errorf("Font file contents don't match")
}
cleanup(testEpubFilename, tempDir)
}
func TestAddImage(t *testing.T) {
fs := http.FileServer(http.Dir("./testdata/"))
// start a test server with the file server handler
server := httptest.NewServer(fs)
defer server.Close()
testImageFromURLSource := server.URL + "/gophercolor16x16.png"
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
testImageFromFilePath, err := e.AddImage(testImageFromFileSource, testImageFromFileFilename)
if err != nil {
t.Errorf("Error adding image: %s", err)
}
testImageFromURLPath, err := e.AddImage(testImageFromURLSource, "")
if err != nil {
t.Errorf("Error adding image: %s", err)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
// The image path is relative to the XHTML folder
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testImageFromFilePath))
if err != nil {
t.Errorf("Unexpected error reading image file from EPUB: %s", err)
}
testImageContents, err := os.ReadFile(testImageFromFileSource)
if err != nil {
t.Errorf("Unexpected error reading testdata image file: %s", err)
}
if !bytes.Equal(contents, testImageContents) {
t.Errorf("Image file contents don't match")
}
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testImageFromURLPath))
if err != nil {
t.Errorf("Unexpected error reading image file from EPUB: %s", err)
}
resp, err := http.Get(testImageFromURLSource)
if err != nil {
t.Errorf("Unexpected error response from test image URL: %s", err)
}
testImageContents, err = io.ReadAll(resp.Body)
if err != nil {
t.Errorf("Unexpected error reading test image file from URL: %s", err)
}
if !bytes.Equal(contents, testImageContents) {
t.Errorf("Image file contents don't match")
}
cleanup(testEpubFilename, tempDir)
}
func TestAddVideo(t *testing.T) {
fs := http.FileServer(http.Dir("./testdata/"))
// start a test server with the file server handler
server := httptest.NewServer(fs)
defer server.Close()
testVideoFromURLSource := server.URL + "/sample_640x360.mp4"
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
testVideoFromFilePath, err := e.AddVideo(testVideoFromFileSource, testVideoFromFileFilename)
if err != nil {
t.Errorf("Error adding video: %s", err)
}
fmt.Println(testVideoFromFilePath)
testVideoFromURLPath, err := e.AddVideo(testVideoFromURLSource, "")
if err != nil {
t.Errorf("Error adding video: %s", err)
}
fmt.Println(testVideoFromURLPath)
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
// The video path is relative to the XHTML folder
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testVideoFromFilePath))
if err != nil {
t.Errorf("Unexpected error reading video file from EPUB: %s", err)
}
testVideoContents, err := os.ReadFile(testVideoFromFileSource)
if err != nil {
t.Errorf("Unexpected error reading testdata video file: %s", err)
}
if !bytes.Equal(contents, testVideoContents) {
t.Errorf("Video file contents don't match")
}
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testVideoFromURLPath))
if err != nil {
t.Errorf("Unexpected error reading video file from EPUB: %s", err)
}
resp, err := http.Get(testVideoFromURLSource)
if err != nil {
t.Errorf("Unexpected error response from test video URL: %s", err)
}
testVideoContents, err = io.ReadAll(resp.Body)
if err != nil {
t.Errorf("Unexpected error reading test video file from URL: %s", err)
}
if !bytes.Equal(contents, testVideoContents) {
t.Errorf("Video file contents don't match")
}
cleanup(testEpubFilename, tempDir)
}
func TestAddAudio(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
testAudioFromFilePath, err := e.AddAudio(testAudioFromFileSource, testAudioFromFileFilename)
if err != nil {
t.Errorf("Error adding audio: %s", err)
}
fmt.Println(testAudioFromFilePath)
fs := http.FileServer(http.Dir("./testdata/"))
// start a test server with the file server handler
server := httptest.NewServer(fs)
defer server.Close()
testAudioFromURLSource := server.URL + "/sample_audio.wav"
testAudioFromURLPath, err := e.AddAudio(testAudioFromURLSource, "")
if err != nil {
t.Errorf("Error adding audio: %s", err)
}
fmt.Println(testAudioFromURLPath)
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
// The audio path is relative to the XHTML folder
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testAudioFromFilePath))
if err != nil {
t.Errorf("Unexpected error reading audio file from EPUB: %s", err)
}
testAudioContents, err := os.ReadFile(testAudioFromFileSource)
if err != nil {
t.Errorf("Unexpected error reading testdata audio file: %s", err)
}
if !bytes.Equal(contents, testAudioContents) {
t.Errorf("Audio file contents don't match")
}
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testAudioFromURLPath))
if err != nil {
t.Errorf("Unexpected error reading audio file from EPUB: %s", err)
}
resp, err := http.Get(testAudioFromURLSource)
if err != nil {
t.Errorf("Unexpected error response from test audio URL: %s", err)
}
testAudioContents, err = io.ReadAll(resp.Body)
if err != nil {
t.Errorf("Unexpected error reading test audio file from URL: %s", err)
}
if !bytes.Equal(contents, testAudioContents) {
t.Errorf("Audio file contents don't match")
}
cleanup(testEpubFilename, tempDir)
}
func TestAddSection(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
testSection1Path, err := e.AddSection(testSectionBody, testSectionTitle, testSectionFilename, "")
if err != nil {
t.Errorf("Error adding section: %s", err)
}
testSection2Path, err := e.AddSection(testSectionBody, testSectionTitle, "", "")
if err != nil {
t.Errorf("Error adding section: %s", err)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testSection1Path))
if err != nil {
t.Errorf("Unexpected error reading section file: %s", err)
}
testSectionContents := fmt.Sprintf(testSectionContentTemplate, testSectionTitle, testSectionBody)
if trimAllSpace(string(contents)) != trimAllSpace(testSectionContents) {
t.Errorf(
"Section file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testSectionContents)
}
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testSection2Path))
if err != nil {
t.Errorf("Unexpected error reading section file: %s", err)
}
if trimAllSpace(string(contents)) != trimAllSpace(testSectionContents) {
t.Errorf(
"Section file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testSectionContents)
}
cleanup(testEpubFilename, tempDir)
}
func TestAddSubSection(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
testSection1Path, err := e.AddSection(testSectionBody, testSectionTitle, testSectionFilename, "")
if err != nil {
t.Errorf("Error adding section: %s", err)
}
testSection2Path, err := e.AddSubSection(testSection1Path, testSectionBody, testSectionTitle, "", "")
if err != nil {
t.Errorf("Error adding subsection: %s", err)
}
// append subsection to a subsection
testSubSection2Path, err := e.AddSubSection(testSection2Path, testSectionBody, testSectionTitle, "", "")
if err != nil {
t.Errorf("Error adding subsection: %s", err)
}
// Append subsection to a parent that not exist
_, err2 := e.AddSubSection("ParentNotExist", testSectionBody, testSectionTitle, "", "")
if err2.Error() != "Parent with the internal filename ParentNotExist does not exist" {
t.Errorf("Error adding subsection: %s", err)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testSection1Path))
if err != nil {
t.Errorf("Unexpected error reading section file: %s", err)
}
testSectionContents := fmt.Sprintf(testSectionContentTemplate, testSectionTitle, testSectionBody)
if trimAllSpace(string(contents)) != trimAllSpace(testSectionContents) {
t.Errorf(
"Section file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testSectionContents)
}
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testSection2Path))
if err != nil {
t.Errorf("Unexpected error reading section file: %s", err)
}
if trimAllSpace(string(contents)) != trimAllSpace(testSectionContents) {
t.Errorf(
"Section file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testSectionContents)
}
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, testSubSection2Path))
if err != nil {
t.Errorf("Unexpected error reading section file: %s", err)
}
if trimAllSpace(string(contents)) != trimAllSpace(testSectionContents) {
t.Errorf(
"Section file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testSectionContents)
}
cleanup(testEpubFilename, tempDir)
}
func TestEpubAuthor(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
e.SetAuthor(testEpubAuthor)
if e.Author() != testEpubAuthor {
t.Errorf(
"Author doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
e.Author(),
testEpubAuthor)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, pkgFilename))
if err != nil {
t.Errorf("Unexpected error reading package file: %s", err)
}
testAuthorElement := fmt.Sprintf(testAuthorTemplate, testEpubAuthor)
if !strings.Contains(string(contents), testAuthorElement) {
t.Errorf(
"Author doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testAuthorElement)
}
cleanup(testEpubFilename, tempDir)
}
func TestEpubLang(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
e.SetLang(testEpubLang)
if e.Lang() != testEpubLang {
t.Errorf(
"Language doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
e.Lang(),
testEpubLang)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, pkgFilename))
if err != nil {
t.Errorf("Unexpected error reading package file: %s", err)
}
testLangElement := fmt.Sprintf(testLangTemplate, testEpubLang)
if !strings.Contains(string(contents), testLangElement) {
t.Errorf(
"Language doesn't match\n"+
"Got: %s"+
"Expected: %s",
contents,
testLangElement)
}
cleanup(testEpubFilename, tempDir)
}
func TestEpubPpd(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
e.SetPpd(testEpubPpd)
if e.Ppd() != testEpubPpd {
t.Errorf(
"Ppd doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
e.Ppd(),
testEpubPpd)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, pkgFilename))
if err != nil {
t.Errorf("Unexpected error reading package file: %s", err)
}
testPpdElement := fmt.Sprintf(testPpdTemplate, testEpubPpd)
if !strings.Contains(string(contents), testPpdElement) {
t.Errorf(
"Ppd doesn't match\n"+
"Got: %s"+
"Expected: %s",
contents,
testPpdElement)
}
cleanup(testEpubFilename, tempDir)
}
func TestEpubTitle(t *testing.T) {
// First, test the title we provide when creating the epub
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
if e.Title() != testEpubTitle {
t.Errorf(
"Title doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
e.Title(),
testEpubTitle)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, pkgFilename))
if err != nil {
t.Errorf("Unexpected error reading package file: %s", err)
}
testTitleElement := fmt.Sprintf(testTitleTemplate, testEpubTitle)
if !strings.Contains(string(contents), testTitleElement) {
t.Errorf(
"Title doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testTitleElement)
}
cleanup(testEpubFilename, tempDir)
// Now test changing the title
e.SetTitle(testEpubAuthor)
if e.Title() != testEpubAuthor {
t.Errorf(
"Title doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
e.Title(),
testEpubAuthor)
}
tempDir = writeAndExtractEpub(t, e, testEpubFilename)
contents, err = storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, pkgFilename))
if err != nil {
t.Errorf("Unexpected error reading package file: %s", err)
}
testTitleElement = fmt.Sprintf(testTitleTemplate, testEpubAuthor)
if !strings.Contains(string(contents), testTitleElement) {
t.Errorf(
"Title doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testTitleElement)
}
cleanup(testEpubFilename, tempDir)
}
func TestEpubDescription(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
e.SetDescription(testEpubDescription)
if e.Description() != testEpubDescription {
t.Errorf(
"Description doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
e.Lang(),
testEpubDescription)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, pkgFilename))
if err != nil {
t.Errorf("Unexpected error reading package file: %s", err)
}
testLangElement := fmt.Sprintf(testDescTemplate, testEpubDescription)
if !strings.Contains(string(contents), testLangElement) {
t.Errorf(
"Description doesn't match\n"+
"Got: %s"+
"Expected: %s",
contents,
testLangElement)
}
cleanup(testEpubFilename, tempDir)
}
func TestEpubIdentifier(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
e.SetIdentifier(testEpubIdentifier)
if e.Identifier() != testEpubIdentifier {
t.Errorf(
"Identifier doesn't match\n"+
"Got: %s\n"+
"Expected: %s",
e.Identifier(),
testEpubIdentifier)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, pkgFilename))
if err != nil {
t.Errorf("Unexpected error reading package file: %s", err)
}
testIdentifierElement := fmt.Sprintf(testIdentifierTemplate, testEpubIdentifier)
if !strings.Contains(string(contents), testIdentifierElement) {
t.Errorf(
"Identifier doesn't match\n"+
"Got: %s"+
"Expected: %s",
contents,
testIdentifierElement)
}
cleanup(testEpubFilename, tempDir)
}
func TestSetCover(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
testImagePath, err := e.AddImage(testImageFromFileSource, testImageFromFileFilename)
if err != nil {
t.Error(err)
}
testCSSPath, _ := e.AddCSS(testCoverCSSSource, testCoverCSSFilename)
err = e.SetCover(testImagePath, testCSSPath)
if err != nil {
t.Error(err)
}
err = e.SetCover(testImagePath, testCSSPath)
if err != nil {
t.Error(err)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
contents, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, xhtmlFolderName, defaultCoverXhtmlFilename))
if err != nil {
t.Errorf("Unexpected error reading cover XHTML file: %s", err)
}
testCoverContents := fmt.Sprintf(testCoverContentTemplate, testEpubTitle, testCSSPath, testImagePath)
if trimAllSpace(string(contents)) != trimAllSpace(testCoverContents) {
t.Errorf(
"Cover file contents don't match\n"+
"Got: %s\n"+
"Expected: %s",
contents,
testCoverContents)
}
cleanup(testEpubFilename, tempDir)
}
func TestSectionAppenderParrentNotFound(t *testing.T) {
sections := []*epubSection{}
parentFilename := "parent.html"
targetSection := &epubSection{}
err := sectionAppender(sections, parentFilename, targetSection)
if err.Error() != "parent section not found" {
t.Errorf("Error adding subsection: %s", err)
}
}
func TestManifestItems(t *testing.T) {
fs := http.FileServer(http.Dir("./testdata/"))
// start a test server with the file server handler
server := httptest.NewServer(fs)
defer server.Close()
testImageFromURLSource := server.URL + "/gophercolor16x16.png"
testManifestItems := []string{
`id="id18a490af-f1fc-5ee4-a449-5c80f646a659" href="images/image0003.png" media-type="image/png"></item>`,
`id="id5857b58e-9d4f-5b23-ad10-d2644bb66023" href="images/filename with space.png" media-type="image/png"></item>`,
`id="id72c19376-e8fb-584c-9dbe-abc447874747" href="images/testfromfile.png" media-type="image/png"></item>`,
`id="ide10ba9f7-2ca1-5db1-8b0c-cbdf809c8372" href="images/image0006.png" media-type="image/png"></item>`,
`id="ide5dc5e63-8586-5ff2-94d9-037b0543ac24" href="images/gophercolor16x16.png" media-type="image/png"></item>`,
`id="idfbc147f0-b6fd-5f0f-9d96-69f1c80e2ec6" href="images/01filenametest.png" media-type="image/png"></item>`,
`id="nav" href="nav.xhtml" media-type="application/xhtml+xml" properties="nav"></item>`,
}
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
_, err = e.AddImage(testImageFromFileSource, testImageFromFileFilename)
if err != nil {
t.Error(err)
}
_, err = e.AddImage(testImageFromFileSource, "")
if err != nil {
t.Error(err)
}
_, err = e.AddImage(testImageFromFileSource, "")
if err != nil {
t.Error(err)
}
// In particular, we want to test these next two, which will be modified by fixXMLId()
_, err = e.AddImage(testImageFromFileSource, testNumberFilenameStart)
if err != nil {
t.Error(err)
}
_, err = e.AddImage(testImageFromFileSource, testSpaceInFilename)
if err != nil {
t.Error(err)
}
_, err = e.AddImage(testImageFromURLSource, "")
if err != nil {
t.Error(err)
}
tempDir := writeAndExtractEpub(t, e, testEpubFilename)
pkgFileContent, err := storage.ReadFile(filesystem, filepath.Join(tempDir, contentFolderName, pkgFilename))
if err != nil {
t.Errorf("Unexpected error reading package file: %s", err)
}
// Get just the manifest portion of the package file
manifestContentFromFile := string(pkgFileContent)[strings.Index(string(pkgFileContent), "<manifest>"):strings.Index(string(pkgFileContent), "</manifest>")]
// Convert the manifest portion of the package file to a slice
pkgFileManifestItems := strings.Split(manifestContentFromFile, "<item")
// Drop the <manifest> and </manifest>
pkgFileManifestItems = pkgFileManifestItems[1 : len(pkgFileManifestItems)-1]
// Trim whitespace for each item
for i := range pkgFileManifestItems {
pkgFileManifestItems[i] = strings.TrimSpace(pkgFileManifestItems[i])
}
// Sort the manifest items from the package file (they will be in a random order)
sort.Strings(pkgFileManifestItems)
// Compare the slices by converting them to strings
if strings.Join(pkgFileManifestItems[:], ",") != strings.Join(testManifestItems[:], ",") {
t.Errorf(
"Package file manifest items don't match\n"+
"Got: \n%s\n\n"+
"Expected: \n%s\n",
strings.Join(pkgFileManifestItems[:], "\n"),
strings.Join(testManifestItems[:], "\n"))
}
cleanup(testEpubFilename, tempDir)
}
func TestFilenameAlreadyUsedError(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
_, err = e.AddCSS(testCoverCSSSource, testCoverCSSFilename)
if err != nil {
t.Errorf("Error adding CSS: %s", err)
}
_, err = e.AddCSS(testCoverCSSSource, testCoverCSSFilename)
if _, ok := err.(*FilenameAlreadyUsedError); !ok {
t.Errorf("Expected error FilenameAlreadyUsedError not returned. Returned instead: %+v", err)
}
}
func TestFileRetrievalError(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}
_, err = e.AddCSS("/sbin/thisShouldFail", testCoverCSSFilename)
if _, ok := err.(*FileRetrievalError); !ok {
t.Errorf("Expected error FileRetrievalError not returned. Returned instead: %+v", err)
}
}
func TestUnableToCreateEpubError(t *testing.T) {
e, err := NewEpub(testEpubTitle)
if err != nil {
t.Error(err)
}