Method test_ring_buffer_api_compatibility

test/test_ring_buffer.py:211–244

Test ring buffer API compatibility methods

(self)

        assert data == [], "Negative max_entries should return empty list"

    def test_ring_buffer_api_compatibility(self):
        """Test ring buffer API compatibility methods"""
        ring_name = "/test/ring_buffer_compat"

        # Step 1: Create ring buffer
        cli_cmd = (
            f"test stats ring-buffer-gen {ring_name} 10 {INTERVAL_USEC} {RING_SIZE}"
        )
        result = self.vapi.cli(cli_cmd)
        assert "Generated" in result, f"CLI failed: {result}"

        # Step 2: Get ring buffer
        ring_buffer = self.statistics.get_ring_buffer(f"{ring_name}")

        # Step 3: Test compatibility methods
        count = ring_buffer.get_count(thread_index=0)
        is_empty = ring_buffer.is_empty(thread_index=0)
        is_full = ring_buffer.is_full(thread_index=0)

        # These methods return simplified values since writer doesn't track reader state
        assert count == 0, "Count should be 0 (writer doesn't track reader)"
        assert is_empty == True, "Is empty should be True (writer doesn't track reader)"
        assert is_full == False, "Is full should be False (writer doesn't track reader)"

        # Step 4: Test string representation
        repr_str = repr(ring_buffer)
        assert (
            "StatsRingBuffer" in repr_str
        ), "String representation should contain StatsRingBuffer"
        assert (
            "entry_size" in repr_str
        ), "String representation should contain entry_size"
        assert "ring_size" in repr_str, "String representation should contain ring_size"
        assert "n_threads" in repr_str, "String representation should contain n_threads"

    def test_ring_buffer_performance(self):
        """Test ring buffer performance characteristics"""