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https://gitlab.gnome.org/GNOME/libxml2.git
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Silent the new python test on input
Just make it silent if there is no error
This commit is contained in:
Alexey Neyman
committed by
Daniel Veillard
Daniel Veillard
parent
a9016c4927
commit
d749528aa9
169
python/tests/input_callback.py
Normal file → Executable file
169
python/tests/input_callback.py
Normal file → Executable file
@@ -26,103 +26,118 @@ pystrings = {
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<!ENTITY sample.entity "replacement text">'''
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}
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def verify_doc(doc):
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e = doc.getRootElement()
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if e.name != 'root':
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raise ValueError("name")
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if e.content != 'replacement text':
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raise ValueError("content")
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prefix = "py://strings/"
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def my_input_cb(URI):
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idx = URI.startswith(prefix)
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if idx == -1:
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return None
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path = URI[len(prefix):]
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if path not in pystrings:
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print "my_input_cb: path does not exist, '%s'" % path
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return None
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print "my_input_cb: loading '%s'" % URI
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return StringIO.StringIO(pystrings[path])
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opts = libxml2.XML_PARSE_DTDLOAD | libxml2.XML_PARSE_NONET | libxml2.XML_PARSE_COMPACT
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startURL = prefix + "xml/sample.xml"
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catURL = prefix + "catalogs/catalog.xml"
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def my_input_cb(URI):
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if not(URI.startswith(prefix)):
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return None
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path = URI[len(prefix):]
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if path not in pystrings:
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return None
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return StringIO.StringIO(pystrings[path])
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def run_test(desc, docpath, catalog, exp_status="verified", exp_err=[], test_callback=None,
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root_name="root", root_content="replacement text"):
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opts = libxml2.XML_PARSE_DTDLOAD | libxml2.XML_PARSE_NONET | libxml2.XML_PARSE_COMPACT
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actual_err = []
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def my_global_error_cb(ctx, msg):
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actual_err.append((-1, msg))
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def my_ctx_error_cb(arg, msg, severity, reserved):
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actual_err.append((severity, msg))
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libxml2.registerErrorHandler(my_global_error_cb, None)
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try:
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parser = libxml2.createURLParserCtxt(docpath, opts)
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parser.setErrorHandler(my_ctx_error_cb, None)
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if catalog is not None:
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parser.addLocalCatalog(catalog)
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if test_callback is not None:
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test_callback()
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parser.parseDocument()
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doc = parser.doc()
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actual_status = "loaded"
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e = doc.getRootElement()
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if e.name == root_name and e.content == root_content:
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actual_status = "verified"
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doc.freeDoc()
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except libxml2.parserError:
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actual_status = "not loaded"
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if actual_status != exp_status:
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print "Test '%s' failed: expect status '%s', actual '%s'" % (desc, exp_status, actual_status)
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sys.exit(1)
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elif actual_err != exp_err:
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print "Test '%s' failed" % desc
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print "Expect errors:"
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for s,m in exp_err: print " [%2d] '%s'" % (s,m)
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print "Actual errors:"
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for s,m in actual_err: print " [%2d] '%s'" % (s,m)
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sys.exit(1)
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# Check that we cannot read custom schema without custom callback
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print
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print "Test 1: Expecting failure to load (custom scheme not handled)"
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try:
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doc = libxml2.readFile(startURL, None, opts)
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print "Read custom scheme without registering handler succeeded?"
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sys.exit(1)
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except libxml2.treeError, e:
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pass
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run_test(desc="Loading entity without custom callback",
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docpath=startURL, catalog=None,
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exp_status="not loaded", exp_err=[
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(-1, "I/O "),
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(-1, "warning : "),
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(-1, "failed to load external entity \"py://strings/xml/sample.xml\"\n")
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])
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# Register handler and try to load the same entity
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print
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print "Test 2: Expecting failure to load (no catalog - cannot load DTD)"
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libxml2.registerInputCallback(my_input_cb)
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doc = libxml2.readFile(startURL, None, opts)
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try:
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verify_doc(doc)
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print "Doc was loaded?"
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except ValueError, e:
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if str(e) != "content":
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print "Doc verify failed"
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doc.freeDoc()
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run_test(desc="Loading entity with custom callback",
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docpath=startURL, catalog=None,
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exp_status="loaded", exp_err=[
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(-1, "Attempt to load network entity http://example.com/dtds/sample.dtd"),
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( 4, "Entity 'sample.entity' not defined\n")
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])
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# Register a catalog (also accessible via pystr://) and retry
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print
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print "Test 3: Expecting successful loading"
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parser = libxml2.createURLParserCtxt(startURL, opts)
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parser.addLocalCatalog(catURL)
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parser.parseDocument()
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doc = parser.doc()
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verify_doc(doc)
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doc.freeDoc()
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run_test(desc="Loading entity with custom callback and catalog",
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docpath=startURL, catalog=catURL)
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# Unregister custom callback when parser is already created
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print
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print "Test 4: Expect failure to read (custom callback unregistered during read)"
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parser = libxml2.createURLParserCtxt(startURL, opts)
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libxml2.popInputCallbacks()
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parser.addLocalCatalog(catURL)
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parser.parseDocument()
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doc = parser.doc()
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try:
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verify_doc(doc)
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print "Doc was loaded?"
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except ValueError, e:
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if str(e) != "content":
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print "Doc verify failed"
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doc.freeDoc()
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run_test(desc="Loading entity and unregistering callback",
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docpath=startURL, catalog=catURL,
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test_callback=lambda: libxml2.popInputCallbacks(),
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exp_status="loaded", exp_err=[
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( 3, "failed to load external entity \"py://strings/dtds/sample.dtd\"\n"),
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( 4, "Entity 'sample.entity' not defined\n")
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])
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# Try to load the document again
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print
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print "Test 5: Expect failure to load (callback unregistered)"
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try:
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doc = libxml2.readFile(startURL, None, opts)
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print "Read custom scheme without registering handler succeeded?"
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sys.exit(1)
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except libxml2.treeError, e:
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pass
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run_test(desc="Retry loading document after unregistering callback",
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docpath=startURL, catalog=catURL,
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exp_status="not loaded", exp_err=[
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(-1, "I/O "),
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(-1, "warning : "),
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(-1, "failed to load external entity \"py://strings/xml/sample.xml\"\n")
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])
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# But should be able to read standard I/O yet...
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print
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print "Test 6: Expect successful loading using standard I/O"
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doc = libxml2.readFile("tst.xml", None, opts)
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doc.freeDoc()
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run_test(desc="Loading using standard i/o after unregistering callback",
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docpath="tst.xml", catalog=None,
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root_name='doc', root_content='bar')
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# Now pop ALL input callbacks, should fail to load even standard I/O
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print
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print "Test 7: Remove all input callbacks, expect failure to load using standard I/O"
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try:
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while True:
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libxml2.popInputCallbacks()
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except IndexError, e:
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print "Popped all input callbacks: " + str(e)
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try:
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doc = libxml2.readFile("tst.xml", None, opts)
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except libxml2.treeError, e:
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pass
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run_test(desc="Loading using standard i/o after unregistering all callbacks",
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docpath="tst.xml", catalog=None,
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exp_status="not loaded", exp_err=[
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(-1, "I/O "),
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(-1, "warning : "),
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(-1, "failed to load external entity \"tst.xml\"\n")
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])
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print "OK"
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sys.exit(0);
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