Add chroma plotting test

test/chroma_test.py

@@ -0,0 +1,32 @@
+""" Chroma plot Testing
+
+"""
+import unittest
+import matplotlib.pyplot as plt
+from utils import matplotlib_helper as mplh
+from utils import colorspaces
+
+
+class Test(unittest.TestCase):
+    """Test chromaticity plotting
+
+    """
+    def test_chroma_plot(self):
+        """Plot spectrum locus and standard gamut
+
+        """
+        plt.xlabel('chromaticity x')
+        plt.ylabel('chromaticity y')
+        plt.title("Standard Gamut")
+        plt.axis([-0.1, 0.8, -0.4, 0.65])
+        plt.grid(True)
+        mplh.plot_spectrum_locus_76()
+        mplh.plot_colorspace_gamut(colorspaces.ACES, lines_color="c",
+                                   upvp_conversion=True)
+        mplh.plot_colorspace_gamut(colorspaces.REC709, lines_color="m",
+                           upvp_conversion=True)
+        plt.legend(loc=4)
+        plt.show()
+
+if __name__ == "__main__":
+    unittest.main()