test coverage

lib/smarter_csv/headers.rb

@@ -91,7 +91,7 @@ def disambiguate_headers(headers, options)
     def remap_headers(headers, options)
       key_mapping = options[:key_mapping]
       if key_mapping.empty? || !key_mapping.is_a?(Hash) || key_mapping.keys.empty?
-        raise(SmarterCSV::IncorrectOption, "Error: incorrect format for key_mapping! Expecting hash with from -> to mappings")
+        raise(SmarterCSV::IncorrectOption, "ERROR: incorrect format for key_mapping! Expecting hash with from -> to mappings")
       end
 
       key_mapping = options[:key_mapping]

spec/smarter_csv/basic_spec.rb

@@ -68,6 +68,26 @@
           end.to raise_exception(SmarterCSV::HeaderSizeMismatch)
         end
       end
+
+      context 'with empty user_provided_headers' do
+        let(:options) { super().merge({user_provided_headers: []}) }
+
+        it 'raises an exception if the user_provided_headers is empty' do
+          expect do
+            SmarterCSV.process("#{fixture_path}/basic.csv", options)
+          end.to raise_exception(SmarterCSV::IncorrectOption, /ERROR: incorrect format for user_provided_headers! Expecting array with headers/)
+        end
+      end
+
+      context 'with incorrect user_provided_headers' do
+        let(:options) { super().merge({user_provided_headers: {}}) }
+
+        it 'raises an exception if the user_provided_headers is of incorrect type' do
+          expect do
+            SmarterCSV.process("#{fixture_path}/basic.csv", options)
+          end.to raise_exception(SmarterCSV::IncorrectOption, /ERROR: incorrect format for user_provided_headers! Expecting array with headers/)
+        end
+      end
     end
   end
 end

spec/smarter_csv/key_mapping_spec.rb

@@ -18,6 +18,32 @@
     end
   end
 
+  context 'with empty key_mapping' do
+    let(:options) { {key_mapping: {}} }
+
+    it 'raises an exception if the key_mapping is empty' do
+      expect do
+        SmarterCSV.process("#{fixture_path}/basic.csv", options)
+      end.to raise_exception(
+        SmarterCSV::IncorrectOption,
+        /ERROR: incorrect format for key_mapping! Expecting hash with from -> to mappings/
+      )
+    end
+  end
+
+  context 'with incorrect key_mapping' do
+    let(:options) { {key_mapping: []} }
+
+    it 'raises an exception if the key_mapping is of incorrect type' do
+      expect do
+        SmarterCSV.process("#{fixture_path}/basic.csv", options)
+      end.to raise_exception(
+        SmarterCSV::IncorrectOption,
+        /ERROR: incorrect format for key_mapping! Expecting hash with from -> to mappings/
+      )
+    end
+  end
+
   it 'remove_values_matching' do
     options = {remove_zero_values: true, key_mapping: {first_name: :vorname, last_name: :nachname} }
     data = SmarterCSV.process("#{fixture_path}/basic.csv", options)