[JTH] add test for ECMWF downloader

Author: tausiaj

tests/downloaders/test_ecmwf_downloader.py

@@ -0,0 +1,37 @@
+import tempfile
+import unittest
+
+import xarray as xr
+
+from bluemath_tk.downloaders.ecmwf.ecmwf_downloader import ECMWFDownloader
+
+
+class TestECMWFDownloader(unittest.TestCase):
+    def setUp(self):
+        self.temp_dir = tempfile.mkdtemp()
+        self.downloader = ECMWFDownloader(
+            product="OpenData",
+            base_path_to_download="OpenDataJavixu",  # self.temp_dir,
+            check=False,  # Just check paths to download, do not actually download
+        )
+
+    def test_list_datasets(self):
+        datasets = self.downloader.list_datasets()
+        self.assertIsInstance(datasets, list)
+        self.assertTrue(len(datasets) > 0)
+        print(f"Available datasets: {datasets}")
+
+    def test_download_data(self):
+        dataset = self.downloader.download_data(
+            load_data=True,
+            param=["msl"],
+            step=[0, 240],
+            type="fc",
+            force=False,
+        )
+        self.assertIsInstance(dataset, xr.Dataset)
+        print(dataset)
+
+
+if __name__ == "__main__":
+    unittest.main()