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JUnit XML — Error and Failure Distinguished

One <failure> (an assertion that did not hold) and one <error> (an exception the test never expected), side by side. Parsers that collapse the two lose the distinction between a broken assertion and a broken environment.

Preview — first 19 linesxml
<?xml version="1.0" encoding="UTF-8"?>
<testsuites>
  <testsuite name="checkout.AllTests" tests="3" failures="1" errors="1" skipped="0" time="1.614" timestamp="2026-08-07T09:14:22" hostname="ci-runner-04">
    <testcase classname="checkout.SessionTest" name="createsSessionForNewCart" time="0.092"/>
    <testcase classname="checkout.SessionTest" name="expiresSessionAfterTimeout" time="1.204">
      <error message="Connection refused: sessions.example.com:5432" type="java.net.ConnectException"><![CDATA[java.net.ConnectException: Connection refused: sessions.example.com:5432
	at checkout.SessionStore.open(SessionStore.java:41)
	at checkout.SessionTest.expiresSessionAfterTimeout(SessionTest.java:57)
]]></error>
    </testcase>
    <testcase classname="cart.PricingTest" name="appliesTaxToSubtotal" time="0.318">
      <failure message="expected:&lt;12.60&gt; but was:&lt;12.59&gt;" type="java.lang.AssertionError"><![CDATA[java.lang.AssertionError: expected:<12.60> but was:<12.59>
	at cart.PricingTest.appliesTaxToSubtotal(PricingTest.java:88)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
]]></failure>
    </testcase>
  </testsuite>
</testsuites>

Specifications

Seed
61200
Dialect
surefire
Encoding
UTF-8
Line Endings
LF
Tests
3
Failures
1
Errors
1
Skipped
0
Passed
1

Testing contract

Expected to pass
Scenario
Separate assertion failures from unexpected errors in one JUnit report.
Expected result
failures=1 and errors=1 are reported independently; the error carries type java.net.ConnectException and the failure java.lang.AssertionError.

What is a .xml file?

XML (Extensible Markup Language) is a verbose, self-describing markup language using nested tags, attributes, and namespaces to represent structured, hierarchical data. It supports schemas, entities, and validation and underlies many document and data formats. It remains common in enterprise, publishing, and interchange contexts.

How to use this file

Use an example XML file to test parsers, namespace and schema validation, XPath queries, and protection against entity-expansion and external-entity attacks.

How to use this file for testing

“JUnit XML — Error and Failure Distinguished” is a deterministic Novus Examples fixture for Error handling, Conversion testing, Log parsing. Deliberately corrupt and invalid files, clearly labelled, for testing how your tool fails.

Documented properties for this file: seed 61200 · UTF-8 · LF. Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.

Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such — expect parsers to fail loudly rather than silently accept them.

Test and coverage reports document their totals (suites, cases, passes, failures, skips, covered lines) in the spec table. Point your CI dashboard, coverage gate, or report converter at the file and assert those counts survive; format twins carry identical numbers so a conversion can be scored exactly.

Code examples

import xml.etree.ElementTree as ET

tree = ET.parse("outcome-error-vs-failure.xml")
root = tree.getroot()
print(root.tag, [c.tag for c in root][:5])

Generated by generation/testing.py. Free for any use, no attribution required — license.