Added first py.test fixture for option testing

Author: virantha

test/test_option_config.yaml

@@ -0,0 +1 @@
+target_folder: "blah"

test/test_option_parsing.py

@@ -0,0 +1,102 @@
+#from pypdfocr import PyPDFOCR as P
+import pypdfocr.pypdfocr as P
+import pytest
+
+
+class TestOptions:
+
+    def setup(self):
+        self.p = P.PyPDFOCR()
+
+
+    def test_standalone(self):
+        opts = ["blah.pdf"]
+        self.p.get_options(opts)
+
+        opts.append('-d')
+        self.p.get_options(opts)
+        assert(self.p.debug)
+
+        opts.append('-v')
+        self.p.get_options(opts)
+        assert(self.p.verbose)
+
+        assert(not self.p.enable_filing)
+        with pytest.raises(AttributeError):
+            self.p.config
+
+    def test_standalone_filing(self):
+        opts = ["blah.pdf"]
+        opts.append('-f')
+
+        # Assert that filing option requires a config file
+        with pytest.raises(SystemExit):
+            self.p.get_options(opts)
+
+        # Assert that it checks that the config file is present
+        opts.append('--config=test_option_config.yaml')
+        self.p.get_options(opts)
+        assert(self.p.enable_filing)
+        assert(self.p.config)
+
+    def test_standalone_filing_evernote(self):
+        # Check when evernote is enabled
+        opts = ["blah.pdf"]
+        opts.append('-e')
+        # Assert that it checks that the config file is present
+        with pytest.raises(SystemExit):
+            self.p.get_options(opts)
+
+        opts.append('--config=test_option_config.yaml')
+        self.p.get_options(opts)
+        # Enabling -e should turn on filing too
+        assert(self.p.enable_filing)
+        assert(self.p.enable_evernote)
+        assert(self.p.config)
+        assert(not self.p.watch)
+
+        opts.append('-f')
+        self.p.get_options(opts)
+        assert(self.p.enable_filing)
+        assert(self.p.enable_evernote)
+        assert(self.p.config)
+        assert(not self.p.watch)
+
+    def test_standalone_watch_conflict(self):
+        # When pdf file is specified, we don't want to allow watch option
+        opts = ["blah.pdf", '-w']
+        with pytest.raises(SystemExit):
+            self.p.get_options(opts)
+                
+    def test_watch_filing(self):
+        opts = ['-w']
+        # Catch watch without a dir
+        with pytest.raises(SystemExit):
+            self.p.get_options(opts)
+
+        opts = ['-w temp']
+        self.p.get_options(opts)
+        assert(self.p.watch_dir)
+
+        opts.append('--config=test_option_config.yaml')
+        self.p.get_options(opts)
+        assert(self.p.watch)
+        assert(self.p.config)
+        assert(not self.p.enable_filing)
+        assert(not self.p.enable_evernote)
+
+    def test_watch_filing_evernote(self):
+        opts = ['-w temp', '-e', '--config=test_option_config.yaml']
+        self.p.get_options(opts)
+        assert(self.p.watch)
+        assert(self.p.config)
+        assert(self.p.enable_filing)
+        assert(self.p.enable_evernote)
+
+        opts = ['-w temp', '-f', '-e',  '--config=test_option_config.yaml']
+        self.p.get_options(opts)
+        assert(self.p.watch)
+        assert(self.p.config)
+        assert(self.p.enable_filing)
+        assert(self.p.enable_evernote)
+