Add some basic tests of command-line interface

tests/test_cli.py

@@ -0,0 +1,40 @@
+from tomso import cli
+import unittest
+
+tmpfile = 'data/tmpfile'
+
+class TestCLIFunctions(unittest.TestCase):
+
+    def setUp(self):
+        self.parser = cli.get_parser()
+
+    def test_info_guess_format(self):
+        filenames = ['data/mesa.%s' % ext for ext in
+                     ['amdl', 'fgong', 'gyre', 'history', 'profile']]
+        filenames.extend(['data/modelS.agsm'])
+
+        for filename in filenames:
+            args = self.parser.parse_args(['info', filename])
+            cli.info(args)
+
+    def test_info_explicit_format(self):
+        filename_formats =[('data/stars.out', 'stars-summ'),
+                           ('data/stars.plot', 'stars-plot')]
+        for filename, format in filename_formats:
+            args = self.parser.parse_args(['info', filename, '-F', format])
+            cli.info(args)
+
+    def test_convert(self):
+        args = self.parser.parse_args(['convert', 'data/modelS.fgong', '-f',
+                                       'fgong', '-t', 'gyre', '-o', tmpfile])
+        cli.convert(args)
+
+        args = self.parser.parse_args(['convert', tmpfile, '-f',
+                                       'gyre', '-t', 'amdl', '-o', tmpfile])
+        cli.convert(args)
+
+        args = self.parser.parse_args(['convert', tmpfile, '-f',
+                                       'amdl', '-t', 'fgong', '-o', tmpfile])
+        cli.convert(args)
+
+    # TODO: test for failure on incorrect formats