chore: clean up test_issue1894_provider_overlap — remove vestigial noqa, add docstrings

tests/test_issue1894_provider_overlap.py

@@ -1,8 +1,6 @@
 # Copyright 2025 the Hermes WebUI contributors
 # SPDX-License-Identifier: MIT
 
-# noqa: N801
-
 # Regression tests for GitHub issue #1894.
 #
 # Symptom: when the WebUI's configured provider (e.g. `opencode-go`) and a
@@ -44,15 +42,14 @@ def _restore_config(cfg_module, old_model, old_custom):
         cfg_module.cfg['custom_providers'] = old_custom
 
 
-# ---------------------------------------------------------------------------
-# Case 1 — overlap: selected non-custom provider should win
-# ---------------------------------------------------------------------------
-
 def test_selected_opencode_go_wins_over_custom_provider_overlap():
-    # opencode-go and a custom DeepSeek-compatible endpoint both serve
-    # deepseek-v4-pro.  With opencode-go configured as the active provider,
-    # selection of deepseek-v4-pro must route to opencode-go, not to the
-    # custom endpoint.
+    """Case 1 — overlap: selected non-custom provider should win.
+
+    OpenCode Go and a custom DeepSeek-compatible endpoint both serve
+    deepseek-v4-pro. With opencode-go configured as the active provider,
+    selection of deepseek-v4-pro must route to opencode-go, not to the
+    custom endpoint.
+    """
     import api.config as cfg_mod
     old_model, old_custom = _apply_config_overrides(cfg_mod, {
         'base_url': 'https://opencode.ai/zen/go/v1',
@@ -80,8 +77,11 @@ def test_selected_opencode_go_wins_over_custom_provider_overlap():
 
 
 def test_selected_opencode_go_wins_direct_resolve():
-    # Same scenario but bypassing model_with_provider_context to test the
-    # resolver path directly with a bare model id.
+    """Case 1 variant — same overlap scenario via direct resolve path.
+
+    Bypasses model_with_provider_context to test the resolver path directly
+    with a bare model id.
+    """
     import api.config as cfg_mod
     old_model, old_custom = _apply_config_overrides(cfg_mod, {
         'base_url': 'https://opencode.ai/zen/go/v1',
@@ -106,8 +106,11 @@ def test_selected_opencode_go_wins_direct_resolve():
 # ---------------------------------------------------------------------------
 
 def test_custom_only_model_still_routes_to_custom_provider():
-    # A model that exists only in a custom provider must still be routed
-    # correctly when no explicit provider prefix is given.
+    """Case 2 — custom-only model routing must stay intact.
+
+    A model that exists only in a custom provider must still be routed
+    correctly when no explicit provider prefix is given.
+    """
     import api.config as cfg_mod
     old_model, old_custom = _apply_config_overrides(cfg_mod, {
         'base_url': 'https://opencode.ai/zen/go/v1',
@@ -132,7 +135,10 @@ def test_custom_only_model_still_routes_to_custom_provider():
 # ---------------------------------------------------------------------------
 
 def test_explicit_custom_provider_selection_intact():
-    # @custom:<name>:<model> syntax must not be swallowed by the new guard.
+    """Case 3 — explicit custom provider selection still works.
+
+    The @custom:<name>:<model> syntax must not be swallowed by the new guard.
+    """
     model, provider, base_url = resolve_model_provider('@custom:ds2api:deepseek-v4-pro')
     assert provider == 'custom:ds2api', f'Expected provider=custom:ds2api, got {provider!r}'
     assert model == 'deepseek-v4-pro'
@@ -143,6 +149,11 @@ def test_explicit_custom_provider_selection_intact():
 # ---------------------------------------------------------------------------
 
 def test_openrouter_suffix_still_works():
+    """Case 4 — existing suffix syntax is preserved.
+
+    Ensures the openrouter suffix syntax (e.g. model_name:free) still routes
+    correctly through model_with_provider_context.
+    """
     import api.config as cfg_mod
     old_model, old_custom = _apply_config_overrides(cfg_mod, {
         'provider': 'anthropic',          # non-openrouter so prefix is needed