tests: move out big json engine + expectations

tests/ctypesgentest.py

@@ -80,76 +80,6 @@ def ctypesgen_version():
     return VERSION
 
 
-def sort_anon_fn(anon_tag):
-    return int(anon_tag.split("_")[1])
-
-
-class JsonHelper:
-    """
-    Utility class preparing generated JSON result for testing.
-
-    JSON stores the path to some source items. These need to be genericized in
-    order for tests to succeed on all machines/user accounts. This is also the
-    case for "anon_" tags, which are "reset" for each test to start from
-    "anon_1".
-    """
-
-    def __init__(self):
-        self.anons = list()
-
-    def prepare(self, json):
-        """Prepares generated JSON result for testing"""
-        self._search_anon_tags(json)
-        unique_list = list(set(self.anons))
-        unique_sorted_list = sorted(unique_list, key=sort_anon_fn)
-
-        mapped_tags = dict()
-        counter = 1
-        for i in unique_sorted_list:
-            mapped_tags[i] = "anon_{0}".format(counter)
-            counter += 1
-
-        for (old_tag, new_tag) in mapped_tags.items():
-            self._replace_anon_tag(json, old_tag, new_tag)
-
-    def _replace_anon_tag(self, json, tag, new_tag):
-        """Replaces source paths and resets anon_ tags to increment from 1"""
-        if isinstance(json, list):
-            for item in json:
-                self._replace_anon_tag(item, tag, new_tag)
-            return
-        if isinstance(json, dict):
-            for key, value in json.items():
-                if key == "name" and isinstance(value, str):
-                    if value == tag:
-                        json[key] = new_tag
-                elif key == "tag" and isinstance(value, str):
-                    if value == tag:
-                        json[key] = new_tag
-                elif key == "src" and isinstance(value, list) and value:
-                    # for whatever reason, on windows ctypesgen's json output contains double slashes in paths, whereas the expectation contains only single slashes, so normalize the output
-                    if sys.platform == "win32":
-                        value[0] = value[0].replace("\\\\", "\\")
-                    # # ignore the line number so changing headers does not cause erroneous test fails
-                    value[1] = None
-                else:
-                    self._replace_anon_tag(value, tag, new_tag)
-
-    def _search_anon_tags(self, json):
-        """Search for anon_ tags"""
-        if isinstance(json, list):
-            for item in json:
-                self._search_anon_tags(item)
-            return
-        if isinstance(json, dict):
-            for key, value in json.items():
-                if key == "name" and isinstance(value, str):
-                    if value.startswith("anon_"):
-                        self.anons.append(value)
-                else:
-                    self._search_anon_tags(value)
-
-
 # -- Functions facilitating tests of use of cross inclusion --