tests: add tests demonstrating rending of .NET samples

tests/test_main.py

@@ -11,6 +11,7 @@ import textwrap
 
 import fixtures
 from fixtures import *
+from fixtures import _1c444_dotnetfile_extractor
 
 import capa.main
 import capa.rules
@@ -444,3 +445,13 @@ def test_json_meta(capsys):
     for addr, info in std_json["meta"]["analysis"]["layout"]["functions"]:
         if addr == ["absolute", 0x10001010]:
             assert {"address": ["absolute", 0x10001179]} in info["matched_basic_blocks"]
+
+
+def test_main_dotnet(_1c444_dotnetfile_extractor):
+    # tests rules can be loaded successfully and all output modes
+    path = _1c444_dotnetfile_extractor.path
+    assert capa.main.main([path, "-vv"]) == 0
+    assert capa.main.main([path, "-v"]) == 0
+    assert capa.main.main([path, "-j"]) == 0
+    assert capa.main.main([path, "-q"]) == 0
+    assert capa.main.main([path]) == 0