Add an error message for unmapped EPSG/ESRI codes (#83)

* Add an error message for unmapped EPSG/ESRI codes * Apply suggestions * Update src/codes.jl Co-authored-by: Júlio Hoffimann <[email protected]> * Update src/codes.jl Co-authored-by: Júlio Hoffimann <[email protected]> --------- Co-authored-by: Júlio Hoffimann <[email protected]>
JuliaEarth · Jun 11, 2024 · 729a3d1 · 729a3d1
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diff --git a/src/codes.jl b/src/codes.jl
@@ -25,7 +25,13 @@ abstract type ESRI{Code} end
 
 Returns a CRS type that has the EPSG/ESRI `code`.
 """
-function get end
+function get(code)
+  throw(ArgumentError("""
+  The provided code $code is not mapped to a CRS type yet. 
+  Please check https://github.com/JuliaEarth/CoordRefSystems.jl/blob/main/src/codes.jl
+  If you know the CRS type of a given code, please submit a pull request.
+  """))
+end
 
 # ----------------
 # IMPLEMENTATIONS

diff --git a/test/codes.jl b/test/codes.jl
@@ -9,4 +9,5 @@
   @test CoordRefSystems.get(ESRI{54042}) === WinkelTripel{WGS84Latest}
   @test CoordRefSystems.get(ESRI{102035}) === CoordRefSystems.Orthographic{90.0u"°",0.0u"°",true,WGS84Latest}
   @test CoordRefSystems.get(ESRI{102037}) === CoordRefSystems.Orthographic{-90.0u"°",0.0u"°",true,WGS84Latest}
+  @test_throws ArgumentError CoordRefSystems.get(EPSG{1})
 end