[Gherkin / ruby] Do not trim spaces inside a table cell content (see #…

…290)

gherkin/ruby/lib/gherkin/gherkin_line.rb

@@ -37,8 +37,8 @@ def table_cells
       cells = []
 
       self.split_table_cells(@trimmed_line_text) do |item, column|
-        txt_trimmed_left = item.gsub(/^[ \t\n\v\f\r\u0085\u00A0]*/, '')
-        txt_trimmed = txt_trimmed_left.gsub(/[ \t\n\v\f\r\u0085\u00A0]*$/, '')
+        txt_trimmed_left = item.gsub(/\A[ \t\n\v\f\r\u0085\u00A0]*/, '')
+        txt_trimmed = txt_trimmed_left.gsub(/[ \t\n\v\f\r\u0085\u00A0]*\Z/, '')
         cell_indent = item.length - txt_trimmed_left.length
         span = Span.new(@indent + column + cell_indent, txt_trimmed)
         cells.push(span)

gherkin/ruby/spec/gherkin/gherkin_line_spec.rb

@@ -0,0 +1,20 @@
+require 'rspec'
+require 'gherkin/gherkin_line'
+
+describe Gherkin::GherkinLine do
+  context '#table_cell' do
+    def cells_text(line)
+      Gherkin::GherkinLine.new(line, 12).table_cells.map(&:text)
+    end
+
+    it 'correctly trims cells content' do
+      expect(cells_text("|spaces after   |")).to eq(['spaces after'])
+      expect(cells_text("|   \t spaces before|")).to eq(['spaces before'])
+      expect(cells_text("|   \t spaces everywhere   \t|")).to eq(['spaces everywhere'])
+    end
+
+    it 'does not drop white spaces inside a cell' do
+      expect(cells_text("| foo()\n  bar\nbaz |")).to eq(["foo()\n  bar\nbaz"])
+    end
+  end
+end