Ensure results are JSON serialisable. Update test suite and README to reflect this.

Author: ntoll

README.md

@@ -70,9 +70,10 @@ those who use PyTest, when using PyScript.
    `setup` and `teardown` functions can be overridden in the individual test
    modules.
 7. The `result` of awaiting `upytest.run` is a Python dictionary containing 
-  lists of tests bucketed under the keys: `"passes"`, `"fails"` and 
-  `"skipped"`. These results can be used for further processing and analysis
-  (again, see `main.py` for an example of this in action.)
+   lists of tests bucketed under the keys: `"passes"`, `"fails"` and 
+   `"skipped"`. These results are JSON serializable and can be used for further
+   processing and analysis (again, see `main.py` for an example of this in
+   action.)
 8. In your `index.html` make sure you use the `terminal` attribute
    when referencing your Python script (as in the `index.html` file in
    this repository):

main.py

@@ -79,15 +79,15 @@
             actual == value
         ), f"Expected {value} {key} in {name}, got {actual}"
 
-# Ensure the tests that pass have a name ending in "passed", tests that fail
-# have a name ending in "failed", and tests that are skipped have a name ending
+# Ensure the tests that pass have a name ending in "passes", tests that fail
+# have a name ending in "fails", and tests that are skipped have a name ending
 # in "skipped".
-for name, result in actual_results.items():
-    for key, value in result.items():
-        for test in value:
-            assert test.test_name.endswith(
-                key
-            ), f"Test {test.test_name} does not end with {key}"
+for test_run, result in actual_results.items():  # result_all, result_module, etc.
+    for test_status, matching_tests in result.items():  # passes, fails, skipped
+        for test in matching_tests:
+            assert test["test_name"].endswith(
+                test_status
+            ), f"Test {test["test_name"]} does not end with {test_status}"
 
 # Create a div to display the results in the page.
 page.append(

upytest.py

@@ -158,6 +158,19 @@ async def run(self):
             self.status = FAIL
             self.traceback = parse_traceback_from_exception(ex)
 
+    @property
+    def as_dict(self):
+        """
+        Return a dictionary representation of the test case.
+        """
+        return {
+            "module_name": self.module_name,
+            "test_name": self.test_name,
+            "status": self.status,
+            "traceback": self.traceback,
+            "reason": self.reason,
+        }
+
 
 class TestModule:
     """
@@ -508,7 +521,7 @@ async def run(*args, **kwargs):
         f"\033[1m{error_count}\033[0m \033[31;1mfailed\033[0m, \033[1m{skip_count}\033[0m \033[33;1mskipped\033[0m, \033[1m{pass_count}\033[0m \033[32;1mpassed\033[0m in \033[1m{dur:.2f} seconds\033[0m"
     )
     return {
-        "passes": passed_tests,
-        "fails": failed_tests,
-        "skipped": skipped_tests,
+        "passes": [test.as_dict for test in passed_tests],
+        "fails": [test.as_dict for test in failed_tests],
+        "skipped": [test.as_dict for test in skipped_tests],
     }