Fix XML comparison, compare time within 1e-6 seconds

test/test_outputs.py

@@ -1,12 +1,55 @@
 import glob
+import math
 import os
 import subprocess
+import xml.etree.ElementTree as ET
 from pathlib import Path
 
 import pytest
 from _common import normalize_output
 
 
+def compare_xml_elements(elem1, elem2):
+    """
+    Recursively assert the equality of two XML elements and their children.
+    """
+    # Compare tags
+    assert elem1.tag == elem2.tag, f"Tag mismatch: {elem1.tag} != {elem2.tag}"
+
+    # Compare text
+    assert (
+        elem1.text == elem2.text
+    ), f"Text mismatch in tag {elem1.tag}: {elem1.text} != {elem2.text}"
+
+    # Compare attributes
+    for attr in elem1.attrib:
+        assert attr in elem2.attrib, f"Attribute '{attr}' missing in tag {elem2.tag}"
+        # 'time' is sensitive to precision
+        if attr == "time":
+            assert math.isclose(
+                float(elem1.attrib[attr]), float(elem2.attrib[attr]), abs_tol=1e-6
+            ), (
+                f"Floating-point mismatch in attribute '{attr}'"
+                f" in tag {elem1.tag}:"
+                f" {elem1.attrib[attr]} != {elem2.attrib[attr]}"
+            )
+        else:
+            assert elem1.attrib[attr] == elem2.attrib[attr], (
+                f"Attribute mismatch in tag {elem1.tag}: {attr}:"
+                f" {elem1.attrib[attr]} != {elem2.attrib[attr]}"
+            )
+
+    # Compare number of children
+    assert len(elem1) == len(elem2), (
+        f"Number of children mismatch in tag {elem1.tag}: "
+        f"{len(elem1)} != {len(elem2)}"
+    )
+
+    # Recursively compare child elements
+    for child1, child2 in zip(elem1, elem2):
+        compare_xml_elements(child1, child2)
+
+
 class TestOutputs:
     filelist = glob.glob("test/fixtures/*.tap")
     print(filelist)
@@ -17,4 +60,6 @@
         original = f"./test/output/{name}.xml"
         output = f"{tmp_path}/out.xml"
         subprocess.run(["python", "-m", "tap2junit", "-i", file, "-o", output])
-        assert Path(original).read_text() == normalize_output(Path(output).read_text())
+        original_xml = ET.parse(original)
+        output_xml = ET.fromstring(normalize_output(Path(output).read_text()))
+        compare_xml_elements(original_xml.getroot(), output_xml)