specs for color and series changes

1 files changed, 12 insertions, 2 deletions

diff --git a/test/drawing/tc_cat_axis_data.rb b/test/drawing/tc_cat_axis_data.rb
index b176c0f0..4c90cf60 100644
--- a/test/drawing/tc_cat_axis_data.rb
+++ b/test/drawing/tc_cat_axis_data.rb
@@ -5,8 +5,8 @@ class TestCatAxisData < Test::Unit::TestCase
   def setup
     p = Axlsx::Package.new
     @ws = p.workbook.add_worksheet
-    chart = @ws.drawing.add_chart Axlsx::Bar3DChart
-    @series = chart.add_series :labels=>["zero", "one", "two"]
+    @chart = @ws.drawing.add_chart Axlsx::Bar3DChart
+    @series = @chart.add_series :labels=>["zero", "one", "two"]
   end
 
   def test_initialize
@@ -14,4 +14,14 @@ class TestCatAxisData < Test::Unit::TestCase
     assert_equal(@series.labels, ["zero", "one", "two"])
   end
 
+  def test_to_xml_string
+    doc = Nokogiri::XML(@chart.to_xml_string)
+    assert_equal(doc.xpath("//c:cat/c:strRef/c:f").size,1)
+    assert_equal(doc.xpath("//c:strCache/c:ptCount[@val='#{@series.labels.size}']").size,1)
+    @series.labels.each_with_index do |label, index|
+      assert_equal(doc.xpath("//c:strCache/c:pt[@idx='#{index}']").size,1)
+      assert_equal(doc.xpath("//c:strCache/c:pt/c:v[text()='#{label}']").size,1)
+    end
+  end
+
 end