Fix doctests

Author: jsignell

xarray/core/combine.py

@@ -878,7 +878,7 @@ def combine_by_coords(
         temperature    (y, x) float64 96B 10.98 14.3 12.06 ... 1.743 0.4044 16.65
         precipitation  (y, x) float64 96B 0.4376 0.8918 0.9637 ... 0.4615 0.7805
 
-    >>> xr.combine_by_coords([x3, x1])
+    >>> xr.combine_by_coords([x3, x1], join="outer")
     <xarray.Dataset> Size: 464B
     Dimensions:        (y: 4, x: 6)
     Coordinates:
@@ -898,7 +898,7 @@ def combine_by_coords(
         temperature    (y, x) float64 96B 10.98 14.3 12.06 ... 18.89 10.44 8.293
         precipitation  (y, x) float64 96B 0.4376 0.8918 0.9637 ... 0.01879 0.6176
 
-    >>> xr.combine_by_coords([x1, x2, x3])
+    >>> xr.combine_by_coords([x1, x2, x3], join="outer")
     <xarray.Dataset> Size: 464B
     Dimensions:        (y: 4, x: 6)
     Coordinates:

xarray/core/concat.py

@@ -207,15 +207,15 @@ def concat(
       * x        (x) <U1 8B 'a' 'b'
       * y        (y) int64 24B 10 20 30
 
-    >>> xr.concat([da.isel(x=0), da.isel(x=1)], "x")
+    >>> xr.concat([da.isel(x=0), da.isel(x=1)], "x", coords="minimal")
     <xarray.DataArray (x: 2, y: 3)> Size: 48B
     array([[0, 1, 2],
            [3, 4, 5]])
     Coordinates:
       * x        (x) <U1 8B 'a' 'b'
       * y        (y) int64 24B 10 20 30
 
-    >>> xr.concat([da.isel(x=0), da.isel(x=1)], "new_dim")
+    >>> xr.concat([da.isel(x=0), da.isel(x=1)], "new_dim", coords="all")
     <xarray.DataArray (new_dim: 2, y: 3)> Size: 48B
     array([[0, 1, 2],
            [3, 4, 5]])
@@ -224,7 +224,11 @@ def concat(
       * y        (y) int64 24B 10 20 30
     Dimensions without coordinates: new_dim
 
-    >>> xr.concat([da.isel(x=0), da.isel(x=1)], pd.Index([-90, -100], name="new_dim"))
+    >>> xr.concat(
+    ...     [da.isel(x=0), da.isel(x=1)],
+    ...     pd.Index([-90, -100], name="new_dim"),
+    ...     coords="all",
+    ... )
     <xarray.DataArray (new_dim: 2, y: 3)> Size: 48B
     array([[0, 1, 2],
            [3, 4, 5]])

xarray/core/merge.py

@@ -882,7 +882,7 @@ def merge(
       * time     (time) float64 16B 30.0 60.0
       * lon      (lon) float64 16B 100.0 150.0
 
-    >>> xr.merge([x, y, z])
+    >>> xr.merge([x, y, z], join="outer")
     <xarray.Dataset> Size: 256B
     Dimensions:  (lat: 3, lon: 3, time: 2)
     Coordinates:
@@ -894,7 +894,7 @@ def merge(
         var2     (lat, lon) float64 72B 5.0 nan 6.0 nan nan nan 7.0 nan 8.0
         var3     (time, lon) float64 48B 0.0 nan 3.0 4.0 nan 9.0
 
-    >>> xr.merge([x, y, z], compat="identical")
+    >>> xr.merge([x, y, z], compat="identical", join="outer")
     <xarray.Dataset> Size: 256B
     Dimensions:  (lat: 3, lon: 3, time: 2)
     Coordinates:
@@ -906,7 +906,7 @@ def merge(
         var2     (lat, lon) float64 72B 5.0 nan 6.0 nan nan nan 7.0 nan 8.0
         var3     (time, lon) float64 48B 0.0 nan 3.0 4.0 nan 9.0
 
-    >>> xr.merge([x, y, z], compat="equals")
+    >>> xr.merge([x, y, z], compat="equals", join="outer")
     <xarray.Dataset> Size: 256B
     Dimensions:  (lat: 3, lon: 3, time: 2)
     Coordinates:
@@ -918,7 +918,7 @@ def merge(
         var2     (lat, lon) float64 72B 5.0 nan 6.0 nan nan nan 7.0 nan 8.0
         var3     (time, lon) float64 48B 0.0 nan 3.0 4.0 nan 9.0
 
-    >>> xr.merge([x, y, z], compat="equals", fill_value=-999.0)
+    >>> xr.merge([x, y, z], compat="equals", join="outer", fill_value=-999.0)
     <xarray.Dataset> Size: 256B
     Dimensions:  (lat: 3, lon: 3, time: 2)
     Coordinates: