fix tests

Author: lukasIO

livekit-rtc/hatch_build.py

@@ -58,13 +58,28 @@ def _get_macos_platform_tag(self):
         # Convert version to wheel tag format (e.g., "11.0" -> "11_0")
         version_tag = deployment_target.replace(".", "_")
 
-        # Get architecture
+        # Get target architecture from ARCHFLAGS (set by cibuildwheel for cross-compilation)
+        # or fall back to host machine architecture
+        arch = self._get_macos_target_arch()
+
+        return f"macosx_{version_tag}_{arch}"
+
+    def _get_macos_target_arch(self):
+        """Detect target architecture for macOS builds.
+
+        Cibuildwheel sets ARCHFLAGS for cross-compilation (e.g., "-arch x86_64").
+        Falls back to host machine architecture if not set.
+        """
+        archflags = os.environ.get("ARCHFLAGS", "")
+        if "-arch arm64" in archflags:
+            return "arm64"
+        elif "-arch x86_64" in archflags:
+            return "x86_64"
+
+        # Fall back to host architecture
         machine = platform.machine()
         if machine == "x86_64":
-            arch = "x86_64"
+            return "x86_64"
         elif machine == "arm64":
-            arch = "arm64"
-        else:
-            arch = machine
-
-        return f"macosx_{version_tag}_{arch}"
+            return "arm64"
+        return machine

tests/rtc/test_mixer.py

@@ -2,7 +2,6 @@
 
 import numpy as np
 import pytest
-import matplotlib.pyplot as plt
 
 from livekit.rtc import AudioMixer
 from livekit.rtc.utils import sine_wave_generator
@@ -43,12 +42,6 @@ async def test_mixer_two_sine_waves():
 
     mixed_signal = np.concatenate(mixed_signals)
 
-    plt.figure(figsize=(10, 4))
-    plt.plot(mixed_signal[:1000])
-    plt.title("Mixed Signal")
-    plt.xlabel("Sample")
-    plt.ylabel("Amplitude")
-    plt.show()
 
     # Use FFT to analyze frequency components.
     fft = np.fft.rfft(mixed_signal)