Add tests for Figure.directional_rose

Author: seisman

pygmt/tests/baseline/test_directional_rose_complex.png.dvc

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+outs:
+- md5: 4bf9dc9a74af3df5fe03ba4cdfaf27ca
+  size: 14424
+  hash: md5
+  path: test_directional_rose_complex.png

pygmt/tests/test_directional_rose.py

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+"""
+Test Figure.directional_rose.
+"""
+
+import pytest
+from pygmt import Figure
+
+
+@pytest.mark.mpl_image_compare(filename="test_basemap_rose.png")
+def test_directional_rose():
+    """
+    Test the Figure.directional_rose method.
+    """
+    fig = Figure()
+    fig.basemap(region=[127.5, 128.5, 26, 27], projection="H15c", frame=True)
+    fig.directional_rose(position="MC", position_type="inside", width="5c")
+    return fig
+
+
+@pytest.mark.mpl_image_compare
+def test_directional_rose_complex():
+    """
+    Test the Figure.directional_rose method with more parameters.
+    """
+    fig = Figure()
+    fig.basemap(region=[0, 80, -30, 30], projection="M10c", frame=True)
+    fig.directional_rose(
+        position=(50, 0),
+        position_type="mapcoords",
+        width="1c",
+        label=["", "", "", "N"],
+        fancy=2,
+        anchor="MC",
+        anchor_offset=(1, 1),
+    )
+    return fig