Semi-gratuitous coverage of a missed branch

GalSim-developers · May 8, 2020 · 4fd6d8a · 4fd6d8a
1 parent f10145c
commit 4fd6d8a
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diff --git a/galsim/fitswcs.py b/galsim/fitswcs.py
@@ -910,6 +910,8 @@ def __init__(self, file_name=None, dir=None, hdu=None, header=None, compression=
                 self.projection = 'lambert'
             elif self.wcs_type == 'ARC':
                 self.projection = 'postel'
+            else:
+                raise ValueError("Invalid wcs_type in _data")
             return
 
         # Read the file if given.

diff --git a/tests/test_wcs.py b/tests/test_wcs.py
@@ -2261,6 +2261,7 @@ def test_gsfitswcs():
 
     assert_raises(TypeError, galsim.GSFitsWCS)
     assert_raises(TypeError, galsim.GSFitsWCS, file_name, header='dummy')
+    assert_raises(ValueError, galsim.GSFitsWCS, _data=('invalid',0,0,0,0,0,0))
 
 @timer
 def test_tanwcs():