Merge pull request #233 from kafitzgerald/set_up_testing

Add basic testing infrastructure

.github/workflows/ci.yml

@@ -45,6 +45,10 @@ jobs:
         run: |
           conda list
 
+      - name: tests
+        run: |
+          python -m pytest
+
   link-check:
     runs-on: ubuntu-latest
     defaults:

build_envs/environment.yml

@@ -7,13 +7,13 @@ dependencies:
   - make
   - matplotlib
   - sphinx
-  - pip
   - cmaps
   - numpy
   - xarray
   - metpy
   - pint
+  - pytest
+  - pytest-mpl
   - geocat-datafiles
-  - pip:
-    - pre-commit
-    - scikit-learn
+  - pre-commit
+  - scikit-learn

docs/release-notes.rst

@@ -12,6 +12,10 @@ Internal Changes
 ^^^^^^^^^^^^^^^^
 * Remove M1 workaround for CI and tokens that are no longer needed by `Katelyn FitzGerald`_ in (:pr:`232`)
 
+Testing
+^^^^^^^
+* Add basic testing infrastructure by `Katelyn FitzGerald`_ and `Julia Kent`_ in (:pr:`233`)
+
 
 v2024.03.0 (March 26, 2024)
 ---------------------------

setup.cfg

@@ -43,6 +43,9 @@ install_requires =
     setuptools
     scikit-learn
     metpy
+tests_require =
+    pytest
+    pytest-mpl
 
 [options.packages.find]
 where = src
@@ -64,7 +67,7 @@ docs =
 
 [tool:pytest]
 python_files = test_*.py
-testpaths = test
+testpaths = tests
 
 [aliases]
 test = pytest

tests/test_util.py

@@ -0,0 +1,13 @@
+import pytest
+import matplotlib as mpl
+
+from geocat.viz.util import truncate_colormap
+
+
+def test_truncate_colormap():
+    cmap = mpl.colormaps['terrain']
+    truncated_cmap = truncate_colormap(cmap, 0.1, 0.9)
+
+    assert isinstance(truncated_cmap, mpl.colors.LinearSegmentedColormap)
+    assert truncated_cmap(0.0) == cmap(0.1)
+    assert truncated_cmap(1.0) == cmap(0.9)