fix test when http3 support is unavailable (windows+py3.7)

tests/test_h2n3.py

@@ -5,6 +5,11 @@ from httpie.ssl_ import QuicCapabilityCache
 
 from .utils import HTTP_OK, http, PersistentMockEnvironment
 
+try:
+    import qh3
+except ImportError:
+    qh3 = None
+
 
 def test_should_not_do_http1_by_default(remote_httpbin_secure):
     r = http(
@@ -29,6 +34,7 @@ def test_disable_http2n3(remote_httpbin_secure):
     assert HTTP_OK in r
 
 
+@pytest.mark.skipif(qh3 is None, reason="test require HTTP/3 support")
 def test_force_http3(remote_httpbin_secure):
     r = http(
         "--verify=no",
@@ -48,6 +54,7 @@ def with_quic_cache_persistent(tmp_path):
     env.cleanup(force=True)
 
 
+@pytest.mark.skipif(qh3 is None, reason="test require HTTP/3 support")
 def test_ensure_quic_cache(remote_httpbin_secure, with_quic_cache_persistent):
     """
     This test aim to verify that the QuicCapabilityCache work as intended.
@@ -79,6 +86,7 @@ def test_ensure_quic_cache(remote_httpbin_secure, with_quic_cache_persistent):
     assert "pie.dev" in list(cache.keys())[0]
 
 
+@pytest.mark.skipif(qh3 is None, reason="test require HTTP/3 support")
 def test_h3_not_compatible_anymore(remote_httpbin_secure, with_quic_cache_persistent):
     """verify that we can handle failures and fallback appropriately."""
     tmp_path = with_quic_cache_persistent.config['quic_file']

tests/test_meta.py

@@ -4,12 +4,18 @@ from httpie.models import ELAPSED_TIME_LABEL
 from httpie.output.formatters.colors import PIE_STYLE_NAMES
 from .utils import http, MockEnvironment, COLOR
 
+try:
+    import qh3
+except ImportError:
+    qh3 = None
+
 
 def test_meta_elapsed_time(httpbin):
     r = http('--meta', httpbin + '/delay/1')
     assert f'{ELAPSED_TIME_LABEL}: 1.' in r
 
 
+@pytest.mark.skipif(qh3 is None, reason="test require HTTP/3 support")
 def test_meta_extended_tls(remote_httpbin_secure):
     # using --verify=no may cause the certificate information not to display with Python < 3.10
     # it is guaranteed to be there when using HTTP/3 over QUIC. That's why we set the '--http3' flag.

tests/test_resolver.py

@@ -1,6 +1,14 @@
+import pytest
+
 from .utils import http
 
+try:
+    import qh3
+except ImportError:
+    qh3 = None
 
+
+@pytest.mark.skipif(qh3 is None, reason="test require HTTP/3 support")
 def test_ensure_resolver_used(remote_httpbin_secure):
     """This test ensure we're using specified resolver to get into pie.dev.
     Using a custom resolver with Niquests enable direct HTTP/3 negotiation and pie.dev