Test methods for 040 field and subfields (#120)

* Test methods for 040 field and subfields

* Test 040 methods further

* Update multiple_no_040b?

* Update multiple_no_040b?

* Update fix_040b

* Update fix_040b

* Update fix_040b

* Update fix_040b

* Update missing_040c? test

spec/variable_fields/040_spec.rb

@@ -0,0 +1,105 @@
+require 'nokogiri'
+require 'marc'
+require 'byebug'
+require 'marc_cleanup'
+
+RSpec.describe 'field_040' do
+  let(:record) { MARC::Record.new_from_hash('fields' => fields, 'leader' => leader) }
+  let(:leader) { '01104naa a2200289 i 4500' } 
+
+  describe 'multiple_no_040?' do
+    let(:fields) do
+      [
+        { '001' => '9970534203506421' },
+        { '040' => { 'indicator1' => ' ',
+                      'indicator2' => ' ',
+                      'subfields' => [{ 'a' => 'DLC' }] } },
+        { '040' => { 'indicator1' => ' ',
+                      'indicator2' => ' ',
+                      'subfields' => [{ 'a' => 'DLC' }] } }
+      ]
+    end
+    it 'checks if a record has multiple or no 040 fields' do
+      expect(MarcCleanup.multiple_no_040?(record)).to eq true
+    end
+  end
+
+  describe 'multiple_no_040b?' do
+    let(:fields) do
+      [
+        { '001' => '9970534203506421' },
+        { '040' => { 'indicator1' => ' ',
+                      'indicator2' => ' ',
+                      'subfields' => [{ 'b' => 'e n g' }]} }
+      ]
+    end
+    it 'checks if a record has multiple or no 040 fields' do
+      expect(MarcCleanup.multiple_no_040b?(record)).to eq false
+    end
+  end
+
+  describe 'fix_040b' do
+
+    context "when there is no subfield a" do
+      let(:fields) do
+        [
+          { '001' => '9970534203506421' },
+          { '040' => { 'indicator1' => ' ',
+                        'indicator2' => ' ',
+                        'subfields' => [{ 'c' => 'DLC' }]} }
+        ]
+      end
+      it 'corrects the 040b' do
+        expect(MarcCleanup.fix_040b(record)['040']['b']).to eq 'eng'
+      end
+    end
+
+    context "when there is one subfield a" do
+      let(:fields) do
+        [
+          { '001' => '9970534203506421' },
+          { '040' => { 'indicator1' => ' ',
+                        'indicator2' => ' ',
+                        'subfields' => [{ 'a' => 'DLC' }]} }
+        ]
+      end
+      it 'corrects the 040b' do
+        expect(MarcCleanup.fix_040b(record)['040']['b']).to eq 'eng'
+      end
+    end
+  end  
+
+  describe 'missing_040c?' do
+
+    context 'when no there is no subfield c' do
+      let(:fields) do
+        [
+          { '001' => '9970534203506421' },
+          { '040' => { 'indicator1' => ' ',
+                        'indicator2' => ' ',
+                        'subfields' => [{ 'a' => 'DLC' },
+                                        { 'b' => 'eng' }]} }
+        ]
+      end
+      it 'checks for subfield c in field 040' do
+        expect(MarcCleanup.missing_040c?(record)).to eq true
+      end
+    end
+
+    context 'when no there is no subfield c' do
+      let(:fields) do
+        [
+          { '001' => '9970534203506421' },
+          { '040' => { 'indicator1' => ' ',
+                        'indicator2' => ' ',
+                        'subfields' => [{ 'a' => 'DLC' },
+                                        { 'b' => 'eng' },
+                                        { 'c' => 'DLC' }]} }
+        ]
+      end
+      it 'checks for subfield c in field 040' do
+        expect(MarcCleanup.missing_040c?(record)).to eq false
+      end
+    end
+  end  
+end