Remove duplication of test running information

Fixes open-telemetry#4040

.github/workflows/generate_tests.py

@@ -0,0 +1,161 @@
+from configparser import ConfigParser
+from os.path import join
+from pathlib import Path
+from re import compile as re_compile
+from jinja2 import Environment, FileSystemLoader
+
+
+tox_ini_paths = []
+
+test_env_regex = re_compile(
+    r"py(?P<pypy>py)?3(\{(?P<cpython_versions>[\w,]+)\})?-"
+    r"(?P<name>[-\w]+\w)-?(\{(?P<test_versions>[\d,]+)\})?"
+)
+
+short_regex = re_compile(r"-opentelemetry-")
+tox_ini_path = join(str(Path(__file__).parents[2]), "tox.ini")
+config_parser = ConfigParser()
+config_parser.read(tox_ini_path)
+
+long_regex_counter = 0
+short_regex_counter = 0
+
+envs = {}
+
+for env in config_parser["tox"]["envlist"].split():
+    env = env.strip()
+
+    if env.startswith(";") or env.startswith("benchmark"):
+        continue
+
+    test_env_regex_match = test_env_regex.match(env)
+    short_regex_match = short_regex.search(env)
+
+    if test_env_regex_match is not None:
+        long_regex_counter += 1
+
+        env_dict = test_env_regex_match.groupdict()
+        env_dict_name = env_dict["name"]
+
+        if env_dict_name not in envs.keys():
+            envs[env_dict_name] = []
+
+        python_test_versions = {"python_versions": [], "test_versions": []}
+
+        if env_dict["pypy"] is not None:
+            python_test_versions["python_versions"].append("py3")
+
+        if env_dict["cpython_versions"] is not None:
+            (
+                python_test_versions["python_versions"].
+                extend(
+                    [
+                        f"3{cpython_version}"
+                        for cpython_version
+                        in env_dict["cpython_versions"].split(",")
+                    ]
+                )
+            )
+
+        if env_dict["test_versions"] is not None:
+            (
+                python_test_versions["test_versions"].
+                extend(env_dict["test_versions"].split(","))
+            )
+
+        envs[env_dict_name].append(python_test_versions)
+
+    if short_regex_match is not None:
+        if test_env_regex_match is None:
+            from ipdb import set_trace
+            set_trace()
+        short_regex_counter += 1
+
+assert short_regex_counter == long_regex_counter, (
+    f"{short_regex_counter} != {long_regex_counter}"
+)
+
+sorted_envs = []
+
+for key, value in envs.items():
+    sorted_envs.append([key, value])
+
+sorted_envs = sorted(sorted_envs)
+
+jobs = []
+
+
+def get_os_alias(os):
+    return os.replace("-latest", "")
+
+
+def get_python_version_alias(python_version):
+    if python_version == "py3":
+        return "pypy-3.8"
+
+    return f"3.{python_version.replace('3', '')}"
+
+
+for os in ["ubuntu-latest"]:
+
+    for env_name, python_test_versions in sorted_envs:
+
+        for python_test_version in python_test_versions:
+
+            for python_version in python_test_version["python_versions"]:
+
+                tox_env = f"py{python_version}-test-{env_name}"
+
+                if python_test_version["test_versions"]:
+                    for test_version in python_test_version["test_versions"]:
+
+                        jobs.append(
+                            {
+                                "tox_env": f"{tox_env}-{test_version}",
+                                "python_version": (
+                                    f"{get_python_version_alias(python_version)}"
+                                ),
+                                "os": os,
+                                "ui_name": (
+                                    f"{env_name}-{test_version} "
+                                    f"{get_python_version_alias(python_version)} "
+                                    f"{get_os_alias(os)}"
+                                ),
+                                "name": (
+                                    f"{env_name}_"
+                                    f"{test_version}_"
+                                    f"{python_version}_"
+                                    f"{os}"
+                                )
+                            }
+                        )
+
+                else:
+                    jobs.append(
+                        {
+                            "tox_env": f"{tox_env}",
+                            "python_version": (
+                                f"{get_python_version_alias(python_version)}"
+                            ),
+                            "os": os,
+                            "ui_name": (
+                                f"{env_name} "
+                                f"{get_python_version_alias(python_version)} "
+                                f"{get_os_alias(os)}"
+                            ),
+                            "name": (
+                                f"{env_name}_"
+                                f"{python_version}_"
+                                f"{os}"
+                            )
+                        }
+                    )
+
+current_directory_path = Path(__file__).parent
+
+with open(current_directory_path.joinpath("tests.yml"), "w") as test_yml_file:
+    test_yml_file.write(
+        Environment(
+            loader=FileSystemLoader(current_directory_path)
+        ).get_template("tests.yml.j2").render(**locals())
+    )