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Merge pull request #55 from sharelatex/bg-check-pdf-output-is-optimised

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use pdfinfo on output to ensure pdfs are optimised
This commit is contained in:
Brian Gough
2017-04-10 15:06:22 +01:00
committed by GitHub
parent 17b16dadcd e1b44beb3f
commit 3526fde665
1 changed files with 31 additions and 13 deletions
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26
test/acceptance/coffee/ExampleDocumentTests.coffee
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@@ -28,6 +28,18 @@ compare = (originalPath, generatedPath, callback = (error, same) ->) ->
console.log "compare result", stderr console.log "compare result", stderr
callback null, false callback null, false
checkPdfInfo = (pdfPath, callback = (error, output) ->) ->
proc = ChildProcess.exec "pdfinfo #{fixturePath(pdfPath)}"
stdout = ""
proc.stdout.on "data", (chunk) -> stdout += chunk
proc.stderr.on "data", (chunk) -> console.log "STDERR", chunk.toString()
proc.on "exit", () ->
if stdout.match(/Optimized:\s+yes/)
callback null, true
else
console.log "pdfinfo result", stdout
callback null, false
compareMultiplePages = (project_id, callback = (error) ->) -> compareMultiplePages = (project_id, callback = (error) ->) ->
compareNext = (page_no, callback) -> compareNext = (page_no, callback) ->
path = "tmp/#{project_id}-source-#{page_no}.png" path = "tmp/#{project_id}-source-#{page_no}.png"
@@ -41,10 +53,7 @@ compareMultiplePages = (project_id, callback = (error) ->) ->
compareNext page_no + 1, callback compareNext page_no + 1, callback
compareNext 0, callback compareNext 0, callback
downloadAndComparePdf = (project_id, example_dir, url, callback = (error) ->) -> comparePdf = (project_id, example_dir, callback = (error) ->) ->
writeStream = fs.createWriteStream(fixturePath("tmp/#{project_id}.pdf"))
request.get(url).pipe(writeStream)
writeStream.on "close", () =>
convertToPng "tmp/#{project_id}.pdf", "tmp/#{project_id}-generated.png", (error) => convertToPng "tmp/#{project_id}.pdf", "tmp/#{project_id}-generated.png", (error) =>
throw error if error? throw error if error?
convertToPng "examples/#{example_dir}/output.pdf", "tmp/#{project_id}-source.png", (error) => convertToPng "examples/#{example_dir}/output.pdf", "tmp/#{project_id}-source.png", (error) =>
@@ -60,6 +69,15 @@ downloadAndComparePdf = (project_id, example_dir, url, callback = (error) ->) ->
throw error if error? throw error if error?
callback() callback()
downloadAndComparePdf = (project_id, example_dir, url, callback = (error) ->) ->
writeStream = fs.createWriteStream(fixturePath("tmp/#{project_id}.pdf"))
request.get(url).pipe(writeStream)
writeStream.on "close", () =>
checkPdfInfo "tmp/#{project_id}.pdf", (error, optimised) =>
throw error if error?
optimised.should.equal true
comparePdf project_id, example_dir, callback
Client.runServer(4242, fixturePath("examples")) Client.runServer(4242, fixturePath("examples"))
describe "Example Documents", -> describe "Example Documents", ->