import sys
import os

# Ensure package source is importable during tests
SRC_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "src"))
if SRC_DIR not in sys.path:
    sys.path.insert(0, SRC_DIR)

from pulsemesh_open_telemetry_visualization_a.telemetry import TelemetrySample


def test_telemetry_sample_basic():
    ts = TelemetrySample(timestamp=1.0, source="tester", metric="test.metric", value=3.14, units="unit")
    d = ts.to_dict()
    assert isinstance(d, dict)
    assert d["metric"] == "test.metric"
    assert d["value"] == 3.14
    s = ts.to_json()
    assert isinstance(s, str)