Add tests for sequence of pd.Timestamp

Author: seisman

pygmt/tests/baseline/test_plot_datetime.png.dvc

@@ -1,5 +1,5 @@
 outs:
-- md5: 583947facaa873122f0bf18137809cd4
-  size: 12695
+- md5: 0a2eae0da1e3d5b71d7392de1c081346
+  size: 13124
   path: test_plot_datetime.png
   hash: md5

pygmt/tests/test_plot.py

@@ -467,9 +467,14 @@ def test_plot_datetime():
     fig.plot(x=x, y=y, style="a0.2c", pen="1p")
 
     # the Python built-in datetime and date
-    x = [datetime.date(2018, 1, 1), datetime.datetime(2019, 1, 1)]
+    x = [datetime.date(2018, 1, 1), datetime.datetime(2019, 1, 1, 0, 0, 0)]
     y = [8.5, 9.5]
     fig.plot(x=x, y=y, style="i0.2c", pen="1p")
+
+    # Python sequence of pd.Timestamp
+    x = [pd.Timestamp("2018-01-01"), pd.Timestamp("2019-01-01")]
+    y = [5.5, 6.5]
+    fig.plot(x=x, y=y, style="d0.2c", pen="1p")
     return fig