documentation and tests

src/utils.jl

@@ -3,26 +3,17 @@ struct Configserror <:Exception
 end
 
 function deleteenvkey!(key::String)
-    try
+    if haskey(ENV, key)
         delete!(ENV, key)
-    catch err
     end
 end
 
 function parseenvkey(key::String, value)
-    try
-        return ENV[key]
-    catch err
-        return value
-    end
+    haskey(ENV, key) ? ENV[key] : value
 end
 
 function parsecustomenv!(tree::Dict, key::String, value)
-    try
-        tree[key] = ENV[value]
-    catch err
-        delete!(tree, key)
-    end
+    haskey(ENV, value) ? (tree[key] = ENV[value]) : delete!(tree, key)
 end
 
 function parsecustomenv!(tree::Dict)

test/functional.jl

@@ -22,7 +22,7 @@
     init = @test_nowarn initconfig(; deployment_key=customkey, configs_directory=customdir)
     @test init.configs_directory === customdir
     @test init.deployment_key === customkey
-
+    
     @info "Initialise defaults"
     init = @test_nowarn initconfig()
     @test init.configs_directory === defaultpath