test: remove test_stageinfo.py

This was superseded by test_osbuild's test_moduleinfo. It also
seems to be non-functional do to assuming `properties` in all
the STAGE_OPTS. Removing this.

test/test_stageinfo.py

@@ -1,75 +0,0 @@
-import ast
-import json
-import unittest
-from pathlib import Path
-
-class TestModuleInfo(unittest.TestCase):
-    @staticmethod
-    def iter_stages(stagedir):
-        '''Yield executable files in `stagedir`'''
-        for p in Path(stagedir).iterdir():
-            if p.is_file() and not p.is_symlink() and p.stat().st_mode & 1:
-                yield p
-
-    @staticmethod
-    def get_module_info(stage: Path) -> dict:
-        '''Return the STAGE_* variables from the given stage.'''
-        # NOTE: This works for now, but stages should probably have some
-        # standard way of dumping this info so we (and other higher-level
-        # tools) don't have to parse the code and walk through the AST
-        # to find these values.
-        stage_info = {}
-        with open(stage) as fobj:
-            stage_ast = ast.parse(fobj.read(), filename=stage)
-
-        # STAGE_* assignments are at the toplevel, no need to walk()
-        for node in stage_ast.body:
-            if isinstance(node, ast.Assign) and isinstance(node.value, ast.Str):
-                for target in node.targets:
-                    if target.id.startswith("STAGE_"):
-                        stage_info[target.id] = node.value.s
-
-        return stage_info
-
-    @staticmethod
-    def parse_stage_opts(stage_opts: str) -> dict:
-        if not stage_opts.lstrip().startswith('{'):
-            stage_opts = '{' + stage_opts + '}'
-        return json.loads(stage_opts)
-
-    def setUp(self):
-        self.topdir = Path(".") # NOTE: this could be smarter...
-        self.stages_dir = self.topdir / "stages"
-        self.assemblers_dir = self.topdir / "assemblers"
-        self.stages = list(self.iter_stages(self.stages_dir))
-        self.assemblers = list(self.iter_stages(self.assemblers_dir))
-
-    def check_module_info(self, module):
-        with self.subTest(check="STAGE_{INFO,DESC,OPTS} vars present"):
-            stage_info = self.get_module_info(module)
-            self.assertIn("STAGE_DESC", stage_info)
-            self.assertIn("STAGE_INFO", stage_info)
-            self.assertIn("STAGE_OPTS", stage_info)
-
-        with self.subTest(check="STAGE_OPTS is valid JSON"):
-            stage_opts = self.parse_stage_opts(stage_info["STAGE_OPTS"])
-            self.assertIsNotNone(stage_opts)
-
-        # NOTE: We probably want an actual JSON Schema validator but
-        # a nicely basic sanity test for our current STAGE_OPTS is:
-        # 1. If it's not empty, there should be a "properties" object,
-        # 2. If "required" exists, each item should be a property name
-        with self.subTest(check="STAGE_OPTS is valid JSON Schema"):
-            if stage_opts:
-                self.assertIn("properties", stage_opts)
-                self.assertIsInstance(stage_opts["properties"], dict)
-            for prop in stage_opts.get("required", []):
-                self.assertIn(prop, stage_opts["properties"])
-
-    def test_module_info(self):
-        for stage in self.stages:
-            with self.subTest(stage=stage.name):
-                self.check_module_info(stage)
-        for assembler in self.assemblers:
-            with self.subTest(assembler=assembler.name):
-                self.check_module_info(assembler)