add and update remote tests

astroquery/nist/tests/test_nist_remote.py

@@ -12,11 +12,11 @@
 class TestNist:
 
     def test_query_async(self):
-        response = nist.core.Nist.query_async(4000 * u.nm, 7000 * u.nm)
+        response = nist.core.Nist.query_async(4000 * u.AA, 7000 * u.AA)
         assert response is not None
 
     def test_query(self):
-        result = nist.core.Nist.query(4000 * u.nm, 7000 * u.nm)
+        result = nist.core.Nist.query(4000 * u.AA, 7000 * u.AA)
         assert isinstance(result, Table)
 
         # check that no javascript was left in the table
@@ -30,3 +30,23 @@ def test_unescape_html(self):
         # raw HTML code equivalents during parsing
         response = nist.core.Nist._parse_result(response)
         assert any('†' in s for s in response['Ei           Ek'])
+
+    def test_query_limits(self):
+        result = nist.core.Nist.query(4101 * u.AA, 4103 * u.AA)
+        # check that min, max wavelengths are appropriately set
+        assert result['Ritz'].min() >= 4101
+        assert result['Ritz'].max() <= 4103
+
+        # check that the units are respected
+        result = nist.core.Nist.query(410.1 * u.nm, 410.3 * u.nm)
+        assert result['Ritz'].min() >= 410.1
+        assert result['Ritz'].max() <= 410.3
+
+        result = nist.core.Nist.query(0.4101 * u.um, 0.4103 * u.um)
+        assert result['Ritz'].min() >= 0.4101
+        assert result['Ritz'].max() <= 0.4103
+
+        # check that non-supported units default to angstroms
+        result = nist.core.Nist.query(4101 * 1e-10 * u.m, 4103 * 1e-10 * u.m)
+        assert result['Ritz'].min() >= 4101
+        assert result['Ritz'].max() <= 4103