Migrate Figure.coast tests to dvc (#1103)

Co-authored-by: Wei Ji <[email protected]>
Co-authored-by: Dongdong Tian <[email protected]>

pygmt/tests/baseline/test_coast_dcw_list.png.dvc

@@ -0,0 +1,4 @@
+outs:
+- md5: 30c3f4c90ba740b7d9edae97d9d3b853
+  size: 93411
+  path: test_coast_dcw_list.png

pygmt/tests/baseline/test_coast_dcw_single.png.dvc

@@ -0,0 +1,4 @@
+outs:
+- md5: 40fcf70e1f73ba2be60cbf9e3f15794d
+  size: 83794
+  path: test_coast_dcw_single.png

pygmt/tests/baseline/test_coast_region.png.dvc

@@ -0,0 +1,4 @@
+outs:
+- md5: 6aecb1529eb8c9535a392f918fc30c38
+  size: 82728
+  path: test_coast_region.png

pygmt/tests/baseline/test_coast_world_mercator.png.dvc

@@ -0,0 +1,4 @@
+outs:
+- md5: 6da57e19a2de4ca60299094139ea6cb0
+  size: 119081
+  path: test_coast_world_mercator.png

pygmt/tests/test_coast.py

@@ -1,106 +1,33 @@
 """
-Tests for coast.
+Tests for fig.coast.
 """
 import pytest
 from pygmt import Figure
 from pygmt.exceptions import GMTInvalidInput
-from pygmt.helpers.testing import check_figures_equal
 
 
 @pytest.mark.mpl_image_compare
-def test_coast():
+def test_coast_region():
     """
-    Simple plot from the GMT docs.
+    Test plotting a regional map with coastlines.
     """
     fig = Figure()
-    fig.coast(
-        R="-30/30/-40/40",
-        J="m0.1i",
-        B=5,
-        I="1/1p,blue",
-        N="1/0.25p,-",
-        W="0.25p,white",
-        G="green",
-        S="blue",
-        D="c",
-        A=10000,
-    )
+    fig.coast(region="JP", projection="M10c", frame=True, land="gray", shorelines=1)
     return fig
 
 
-@check_figures_equal()
-def test_coast_iceland():
-    """
-    Test passing in R as a list.
-    """
-    fig_ref, fig_test = Figure(), Figure()
-    # Use single-character arguments for the reference image
-    fig_ref.coast(R="-30/-10/60/65", J="m1c", B="", G="p28+r100")
-    fig_test.coast(
-        region=[-30, -10, 60, 65], projection="m1c", frame=True, land="p28+r100"
-    )
-    return fig_ref, fig_test
-
-
-@check_figures_equal()
-def test_coast_aliases():
-    """
-    Test that all aliases work.
-    """
-    fig_ref, fig_test = Figure(), Figure()
-    fig_ref.coast(
-        R="-30/30/-40/40",
-        J="M25c",
-        B="afg",
-        I="1/1p,black",
-        N="1/0.5p,-",
-        W="0.25p,white",
-        G="moccasin",
-        S="skyblue",
-        D="i",
-        A=1000,
-        L="jCM+c1+w1000k+f+l",
-        X="a4c",
-        Y="a10c",
-        p="135/25",
-        t=13,
-        E="MA+gred",
-        C="blue",
-    )
-    fig_test.coast(
-        region=[-30, 30, -40, 40],  # R
-        projection="M25c",  # J
-        frame="afg",  # B
-        rivers="1/1p,black",  # I
-        borders="1/0.5p,-",  # N
-        shorelines="0.25p,white",  # W
-        land="moccasin",  # G
-        water="skyblue",  # S
-        resolution="i",  # D
-        area_thresh=1000,  # A
-        map_scale="jCM+c1+w1000k+f+l",  # L
-        xshift="a4c",  # X
-        yshift="a10c",  # Y
-        perspective=[135, 25],  # p
-        transparency=13,  # t
-        dcw="MA+gred",  # E
-        lakes="blue",  # C
-    )
-    return fig_ref, fig_test
-
-
 @pytest.mark.mpl_image_compare
 def test_coast_world_mercator():
     """
-    Test passing generating a global Mercator map with coastlines.
+    Test generating a global Mercator map with coastlines.
     """
     fig = Figure()
     fig.coast(
         region=[-180, 180, -80, 80],
-        projection="M10i",
+        projection="M15c",
         frame="af",
         land="#aaaaaa",
-        resolution="l",
+        resolution="c",
         water="white",
     )
     return fig
@@ -115,99 +42,33 @@ def test_coast_required_args():
         fig.coast(region="EG")
 
 
-@check_figures_equal()
+@pytest.mark.mpl_image_compare
 def test_coast_dcw_single():
     """
     Test passing a single country code to dcw.
     """
-    fig_ref, fig_test = Figure(), Figure()
-    # Use single-character arguments for the reference image
-    fig_ref.coast(R="-10/15/25/44", J="M15c", B="a", G="brown", E="ES+gbisque+pblue")
-    fig_test.coast(
+    fig = Figure()
+    fig.coast(
         region=[-10, 15, 25, 44],
         frame="a",
         projection="M15c",
         land="brown",
         dcw="ES+gbisque+pblue",
     )
-    return fig_ref, fig_test
-
-
-@check_figures_equal()
-def test_coast_dcw_multiple():
-    """
-    Test passing multiple country code to dcw.
-    """
-    fig_ref, fig_test = Figure(), Figure()
-    # Use single-character arguments for the reference image
-    fig_ref.coast(R="-10/15/25/44", J="M15c", B="a", G="brown", E="ES,IT+gbisque+pblue")
-    fig_test.coast(
-        region=[-10, 15, 25, 44],
-        frame="a",
-        projection="M15c",
-        land="brown",
-        dcw="ES,IT+gbisque+pblue",
-    )
-    return fig_ref, fig_test
+    return fig
 
 
-@check_figures_equal()
+@pytest.mark.mpl_image_compare
 def test_coast_dcw_list():
     """
     Test passing a list of country codes and fill options to dcw.
     """
-    fig_ref, fig_test = Figure(), Figure()
-    # Use single-character arguments for the reference image
-    fig_ref.coast(
-        R="-10/15/25/44",
-        J="M15c",
-        B="a",
-        G="brown",
-        E=["ES+gbisque+pgreen", "IT+gcyan+pblue"],
-    )
-    fig_test.coast(
+    fig = Figure()
+    fig.coast(
         region=[-10, 15, 25, 44],
         frame="a",
         projection="M15c",
         land="brown",
         dcw=["ES+gbisque+pgreen", "IT+gcyan+pblue"],
     )
-    return fig_ref, fig_test
-
-
-@check_figures_equal()
-def test_coast_dcw_continent():
-    """
-    Test passing a continent code to dcw.
-    """
-    fig_ref, fig_test = Figure(), Figure()
-    # Use single-character arguments for the reference image
-    fig_ref.coast(R="-10/15/25/44", J="M15c", B="a", G="brown", E="=AF+gbisque+pblue")
-    fig_test.coast(
-        region=[-10, 15, 25, 44],
-        frame="a",
-        projection="M15c",
-        land="brown",
-        dcw="=AF+gbisque+pblue",
-    )
-    return fig_ref, fig_test
-
-
-@check_figures_equal()
-def test_coast_dcw_state():
-    """
-    Test passing a US state code to dcw.
-    """
-    fig_ref, fig_test = Figure(), Figure()
-    # Use single-character arguments for the reference image
-    fig_ref.coast(
-        R="-75/-69/40/44", J="M15c", B="a", G="brown", E="US.MA+gbisque+pblue"
-    )
-    fig_test.coast(
-        region=[-75, -69, 40, 44],
-        frame="a",
-        projection="M15c",
-        land="brown",
-        dcw="US.MA+gbisque+pblue",
-    )
-    return fig_ref, fig_test
+    return fig