public virtual void GhostScriptEnvVarIsIncorrect()
{
NUnit.Framework.Assert.That(() => {
GhostscriptHelper ghostscriptHelper = new GhostscriptHelper("-");
}
, NUnit.Framework.Throws.InstanceOf <ArgumentException>().With.Message.EqualTo(IoExceptionMessage.GS_ENVIRONMENT_VARIABLE_IS_NOT_SPECIFIED))
;
}
public virtual void RunGhostScriptTestForSpecificPage()
{
String inputPdf = sourceFolder + "imageHandlerUtilTest.pdf";
GhostscriptHelper ghostscriptHelper = new GhostscriptHelper();
ghostscriptHelper.RunGhostScriptImageGeneration(inputPdf, destinationFolder, "specificPage.png", "1");
NUnit.Framework.Assert.AreEqual(1, FileUtil.ListFilesInDirectory(destinationFolder, true).Length);
NUnit.Framework.Assert.IsTrue(FileUtil.FileExists(destinationFolder + "specificPage.png"));
}
public virtual void GhostScriptEnvVarIsExplicitlySpecified()
{
String gsExec = SystemUtil.GetEnvironmentVariable(GhostscriptHelper.GHOSTSCRIPT_ENVIRONMENT_VARIABLE);
if (gsExec == null)
{
gsExec = SystemUtil.GetEnvironmentVariable(GhostscriptHelper.GHOSTSCRIPT_ENVIRONMENT_VARIABLE_LEGACY);
}
GhostscriptHelper ghostscriptHelper = new GhostscriptHelper(gsExec);
NUnit.Framework.Assert.IsNotNull(ghostscriptHelper.GetCliExecutionCommand());
}
public virtual void RunGhostScriptIncorrectParams()
{
String inputPdf = sourceFolder + "imageHandlerUtilTest.pdf";
String exceptionMessage = "GhostScript failed for " + inputPdf;
NUnit.Framework.Assert.That(() => {
GhostscriptHelper ghostscriptHelper = new GhostscriptHelper();
ghostscriptHelper.RunGhostScriptImageGeneration(inputPdf, destinationFolder, "outputPageImage.png", "q@W");
}
, NUnit.Framework.Throws.InstanceOf <GhostscriptHelper.GhostscriptExecutionException>().With.Message.EqualTo(exceptionMessage))
;
}
public virtual void RunGhostScriptIncorrectOutputDirectory()
{
String inputPdf = sourceFolder + "imageHandlerUtilTest.pdf";
String exceptionMessage = "Cannot open output directory for " + inputPdf;
NUnit.Framework.Assert.That(() => {
GhostscriptHelper ghostscriptHelper = new GhostscriptHelper();
ghostscriptHelper.RunGhostScriptImageGeneration(inputPdf, "-", "outputPageImage.png", "1");
}
, NUnit.Framework.Throws.InstanceOf <ArgumentException>().With.Message.EqualTo(exceptionMessage))
;
}
public virtual void RunGhostScriptTestForSeveralSpecificPages()
{
String inputPdf = sourceFolder + "imageHandlerUtilTest.pdf";
GhostscriptHelper ghostscriptHelper = new GhostscriptHelper();
String imageFileName = new FileInfo(inputPdf).Name + "_severalSpecificPages-%03d.png";
ghostscriptHelper.RunGhostScriptImageGeneration(inputPdf, destinationFolder, imageFileName, "1,3");
NUnit.Framework.Assert.AreEqual(2, FileUtil.ListFilesInDirectory(destinationFolder, true).Length);
NUnit.Framework.Assert.IsTrue(FileUtil.FileExists(destinationFolder + "imageHandlerUtilTest.pdf_severalSpecificPages-001.png"
));
NUnit.Framework.Assert.IsTrue(FileUtil.FileExists(destinationFolder + "imageHandlerUtilTest.pdf_severalSpecificPages-002.png"
));
}
public virtual void GhostScriptImageGenerationTest()
{
String filename = "resultantImage.png";
String psFile = sourceFolder + "simple.ps";
String resultantImage = destinationFolder + filename;
String cmpResultantImage = sourceFolder + "cmp_" + filename;
String diff = destinationFolder + "diff_" + filename;
GhostscriptHelper ghostscriptHelper = new GhostscriptHelper();
ghostscriptHelper.RunGhostScriptImageGeneration(psFile, destinationFolder, filename);
NUnit.Framework.Assert.IsTrue(FileUtil.FileExists(resultantImage));
ImageMagickHelper imageMagickHelper = new ImageMagickHelper();
NUnit.Framework.Assert.IsTrue(imageMagickHelper.RunImageMagickImageCompare(resultantImage, cmpResultantImage
, diff));
}
public virtual void DSaferParamInGhostScriptHelperTest()
{
String cmpPdf = sourceFolder + "maliciousPsInvokingCalcExe.ps";
String maliciousPsInvokingCalcExe = destinationFolder + "maliciousPsInvokingCalcExe.png";
int majorVersion = 0;
int minorVersion = 0;
bool isWindows = IdentifyOsType().ToLowerInvariant().Contains("win");
if (isWindows)
{
String gsExec = SystemUtil.GetEnvironmentVariable(GhostscriptHelper.GHOSTSCRIPT_ENVIRONMENT_VARIABLE);
if (gsExec == null)
{
gsExec = SystemUtil.GetEnvironmentVariable(GhostscriptHelper.GHOSTSCRIPT_ENVIRONMENT_VARIABLE_LEGACY);
}
String[] pathParts = iText.IO.Util.StringUtil.Split(gsExec, "\\d\\.\\d\\d");
for (int i = 0; i < pathParts.Length; i++)
{
gsExec = gsExec.Replace(pathParts[i], "");
}
String[] version = iText.IO.Util.StringUtil.Split(gsExec, "\\.");
majorVersion = Convert.ToInt32(version[0], System.Globalization.CultureInfo.InvariantCulture);
minorVersion = Convert.ToInt32(version[1], System.Globalization.CultureInfo.InvariantCulture);
}
try {
GhostscriptHelper ghostscriptHelper = new GhostscriptHelper();
ghostscriptHelper.RunGhostScriptImageGeneration(cmpPdf, destinationFolder, "maliciousPsInvokingCalcExe.png"
);
if (isWindows)
{
NUnit.Framework.Assert.IsTrue((majorVersion > 9 || (majorVersion == 9 && minorVersion >= 50)));
}
}
catch (GhostscriptHelper.GhostscriptExecutionException) {
if (isWindows)
{
NUnit.Framework.Assert.IsTrue((majorVersion < 9 || (majorVersion == 9 && minorVersion < 50)));
}
}
NUnit.Framework.Assert.IsFalse(FileUtil.FileExists(maliciousPsInvokingCalcExe));
}
public virtual void GhostScriptEnvVarIsNull()
{
GhostscriptHelper ghostscriptHelper = new GhostscriptHelper(null);
NUnit.Framework.Assert.IsNotNull(ghostscriptHelper.GetCliExecutionCommand());
}