TST: added unit tests for NoRP data

Added unit tests for the new NoRP support functions and a data file to test mock downloads for the new Instrument.

pysatSpaceWeather/tests/test_data/TYKW-NoRP_dailyflux.txt

@@ -0,0 +1,7 @@
+TYKW-NoRP solar daily flux (1951-11-02 -- 1951-11-06)
+Date,1 GHz,2 GHz,3.75 GHz,9.4 GHz
+"1951-11-02",NaN,NaN,NaN,NaN
+"1951-11-03",NaN,NaN,NaN,NaN
+"1951-11-04",NaN,NaN,NaN,NaN
+"1951-11-05",NaN,NaN,NaN,NaN
+"1951-11-06",NaN,NaN,115.000,NaN

pysatSpaceWeather/tests/test_methods_norp.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+# Full license can be found in License.md
+# Full author list can be found in .zenodo.json file
+# DOI:10.5281/zenodo.3986138
+# ----------------------------------------------------------------------------
+"""Integration and unit test suite for NoRP methods."""
+
+import pytest
+
+from pysatSpaceWeather.instruments.methods import norp as mm_norp
+
+
+class TestNoRPMethods(object):
+    """Test class for NoRP methods."""
+
+    def setup_method(self):
+        """Create a clean testing setup."""
+        self.out = None
+        return
+
+    def teardown_method(self):
+        """Clean up previous testing setup."""
+        del self.out
+        return
+
+    def test_acknowledgements(self):
+        """Test the NoRP acknowledgements."""
+        self.out = mm_norp.acknowledgements()
+        assert self.out.find('NoRP') >= 0
+        return
+
+    @pytest.mark.parametrize('name,tag', [('rf', 'daily')])
+    def test_references(self, name, tag):
+        """Test the references for a NoRP instrument.
+
+        Parameters
+        ----------
+        name : str
+            Instrument name
+        tag : str
+            Instrument tag
+
+        """
+        self.out = mm_norp.references(name, tag)
+        assert self.out.find('Toyokawa Observatory') > 0
+        return
+
+    def test_references_bad_name(self):
+        """Test the references raise an informative error for bad instrument."""
+        with pytest.raises(KeyError) as kerr:
+            mm_norp.references('ace', 'sis')
+
+        assert str(kerr.value).find('ace') >= 0, \
+            "Unknown KeyError message: {:}".format(kerr.value)
+        return