workaround to enable testing of PDFReader code even though pdftohtml …

…is not installed

test/files/pdfreader/intermediate/index.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pdf2xml SYSTEM "pdf2xml.dtd">
+
+<pdf2xml producer="poppler" version="0.22.5">
+<page number="1" position="absolute" top="0" left="0" height="1263" width="892">
+	<fontspec id="0" size="21" family="Times" color="#345a8a"/>
+	<fontspec id="1" size="16" family="Times" color="#000000"/>
+	<fontspec id="2" size="16" family="Times" color="#000000"/>
+	<fontspec id="3" size="16" family="Times" color="#000000"/>
+<text top="146" left="135" width="155" height="29" font="0"><b>Document	  title	  </b></text>
+<text top="178" left="135" width="4" height="21" font="1">	  </text>
+<text top="199" left="135" width="318" height="21" font="1">This	  is	  a	  <i>simple	  <b>document</b></i>	  in	  PDF	  format.	  </text>
+</page>
+</pdf2xml>

test/testPDFDocRepo.py

@@ -5,9 +5,7 @@
 import os
 import shutil
 
-from ferenda import util
-
-
+from ferenda import util, errors
 
 # SUT
 from ferenda import PDFDocumentRepository
@@ -23,7 +21,20 @@ def test_parse(self):
         util.ensure_dir(self.repo.store.downloaded_path("sample"))
         shutil.copy2("test/files/pdfreader/sample.pdf",
                      self.repo.store.downloaded_path("sample"))
-        self.repo.parse("sample")
+        try:
+            self.repo.parse("sample")
+        except errors.ExternalCommandError:
+            # print("pdftohtml error: retrying")
+            # for systems that don't have pdftohtml, we copy the expected
+            # intermediate files, so that we can test the rest of the logic
+            targetdir = os.path.dirname(self.repo.store.intermediate_path("sample"))
+            # print("working around by copying to %s" % targetdir)
+            if os.path.exists(targetdir):
+                shutil.rmtree(targetdir)
+            shutil.copytree("test/files/pdfreader/intermediate",
+                            targetdir)
+            self.repo.parse("sample")
+            # print("Workaround succeeded")
         p = self.repo.store.datadir
         self.assertTrue(os.path.exists(p+'/intermediate/sample/index001.png'))
         self.assertTrue(os.path.exists(p+'/intermediate/sample/index.pdf'))

test/testPDFReader.py

@@ -9,6 +9,7 @@
 from ferenda.compat import unittest
 if os.getcwd() not in sys.path: sys.path.insert(0,os.getcwd())
 
+from ferenda import errors
 # SUT
 from ferenda import PDFReader
 
@@ -22,8 +23,16 @@ def tearDown(self):
         shutil.rmtree(self.datadir)
 
     def test_basic(self):
-        self.reader.read("test/files/pdfreader/sample.pdf",
-                         self.datadir)
+        try:
+            self.reader.read("test/files/pdfreader/sample.pdf",
+                             self.datadir)
+        except errors.ExternalCommandError:
+            for fname in os.listdir("test/files/pdfreader/intermediate"):
+                to = fname.replace("index", "sample")
+                shutil.copy("test/files/pdfreader/intermediate/%s" % fname,
+                             self.datadir + os.sep + to)
+            self.reader.read("test/files/pdfreader/sample.pdf",
+                             self.datadir)
         self.assertEqual(len(self.reader), 1)
         # first page, first box
         title = str(self.reader[0][0])