tests/data/output_regression_875281.html

+ class="diffoscope">
+<div class="difference">
+  <div class="diffheader">
+  <div class="diffcontrol diffcontrol-double">⊟</div>
+  <div><span class="diffsize">4.82 MB</span></div>
+  <div><span class="source">b1</span> vs.</div>
+  <div ><span class="source">b2</span>
+    <a class="anchor" href="#">¶</a>
+  </div>
+  </div>
+  <div class="difference">
+    <div class="diffheader">
+    <div class="diffcontrol">⊟</div>
+    <div><span class="diffsize">141 KB</span></div>
+    <div id="build.log"><span class="source">build.log</span>
+      <a class="anchor" href="#build.log">¶</a>
+    </div>
+    </div>
+<div class="error">Max HTML report size reached</div>
+  </div>
+  <div class="difference">
+    <div class="diffheader">
+    <div class="diffcontrol">⊟</div>
+    <div><span class="diffsize">1.56 MB</span></div>
+    <div id="systemtap-doc_-.---_all.deb"><span class="source">systemtap-doc_3.1-2_all.deb</span>
+      <a class="anchor" href="#systemtap-doc_-.---_all.deb">¶</a>
+    </div>
+    </div>
+<div class="error">Max HTML report size reached</div>
+  </div>
+  <div class="difference">
+    <div class="diffheader">
+    <div class="diffcontrol">⊟</div>
+    <div><span class="diffsize">1.56 MB</span></div>
+    <div id="systemtap_-.---_arm--.buildinfo"><span class="source">systemtap_3.1-2_arm64.buildinfo</span>
+      <a class="anchor" href="#systemtap_-.---_arm--.buildinfo">¶</a>
+    </div>
+    </div>
+<div class="error">Max HTML report size reached</div>
+  </div>
+  <div class="difference">
+    <div class="diffheader">
+    <div class="diffcontrol">⊟</div>
+    <div><span class="diffsize">1.56 MB</span></div>
+    <div id="systemtap_-.---_arm--.changes"><span class="source">systemtap_3.1-2_arm64.changes</span>
+      <a class="anchor" href="#systemtap_-.---_arm--.changes">¶</a>
+    </div>
+    </div>
+<div class="error">Max HTML report size reached</div>
+  </div>
+</div>

tests/test_presenters.py

@@ -195,6 +195,11 @@ def test_html_regression_875281(tmpdir, capsys):
     )
     assert out == ''
 
+    with open(report_path, 'r', encoding='utf-8') as f:
+        assert extract_body(f.read()) == get_data(
+            'output_regression_875281.html'
+        )
+
 
 def test_limited_print():
     def fake(x):

tests/test_source.py

@@ -230,11 +230,6 @@ ALLOWED_TEST_FILES = {
     'debian-bug-875281.collapsed-diff.json',
     'order1a.json',
     'order1b.json',
-    'output.colored.txt',
-    'output.json',
-    'output.md',
-    'output.rst',
-    'output.txt',
 }
 
 
@@ -287,6 +282,7 @@ def test_does_not_add_new_test_files():
             or x.endswith('.diff')
             or '_diff_' in x
             or 'diff.' in x
+            or x.startswith('output')
         ):
             continue