Use fully_formatted_lines to get detail for aggregated failures

example/spec/example_spec.rb

@@ -22,6 +22,11 @@
     end
   end
 
+  it "should support multiple failures", aggregate_failures: true do
+    expect('foo').to eq 1
+    expect('bar').to eq 2
+  end
+
   it "shows diffs cleanly" do
     expect({a: "b", c: "d"}).to eql({a: 2, c: 4})
   end

lib/rspec_junit_formatter/rspec3.rb

@@ -77,7 +77,20 @@ def failure_message_for(example)
   end
 
   def failure_for(notification)
-    lines = notification.message_lines + [''] + notification.formatted_backtrace
+    lines = notification.fully_formatted_lines(nil, RSpec::Core::Notifications::NullColorizer).map(&:to_s)
+
+    unless lines.first.empty?
+      raise 'Expected first line to be empty'
+    end
+    lines.shift
+
+    indentation = lines.reject(&:empty?).map { |line| line[/^[ \t]*/] }.min
+    lines = lines.map { |line| line.sub(/^#{Regexp.escape indentation}/, '') }
+
+    unless lines.first == notification.description
+      raise 'Expected second line to be description'
+    end
+    lines.shift
 
     strip_diff_colors(lines.join("\n"))
   end

spec/rspec_junit_formatter_spec.rb

@@ -46,6 +46,7 @@ def execute_example_spec
   let(:failed_testcases) { doc.xpath("/testsuite/testcase[failure]") }
   let(:shared_testcases) { doc.xpath("/testsuite/testcase[contains(@name, 'shared example')]") }
   let(:failed_shared_testcases) { doc.xpath("/testsuite/testcase[contains(@name, 'shared example')][failure]") }
+  let(:failed_multiple_testcases) { doc.xpath("/testsuite/testcase[contains(@name, 'multiple')][failure]") }
 
   # Combined into a single example so we don't have to re-run the example rspec
   # process over and over. (We need to change the parameters in later specs so
@@ -57,17 +58,17 @@ def execute_example_spec
     expect(testsuite).not_to be(nil)
 
     expect(testsuite["name"]).to eql("rspec")
-    expect(testsuite["tests"]).to eql("12")
+    expect(testsuite["tests"]).to eql("13")
     expect(testsuite["skipped"]).to eql("1")
-    expect(testsuite["failures"]).to eql("8")
+    expect(testsuite["failures"]).to eql("9")
     expect(testsuite["errors"]).to eql("0")
     expect(Time.parse(testsuite["timestamp"])).to be_within(60).of(Time.now)
     expect(testsuite["time"].to_f).to be > 0
     expect(testsuite["hostname"]).not_to be_empty
 
     # it has some test cases
 
-    expect(testcases.size).to eql(12)
+    expect(testcases.size).to eql(13)
 
     testcases.each do |testcase|
       expect(testcase["classname"]).to eql("spec.example_spec")
@@ -101,7 +102,7 @@ def execute_example_spec
 
     # it has failed test cases
 
-    expect(failed_testcases.size).to eql(8)
+    expect(failed_testcases.size).to eql(9)
 
     failed_testcases.each do |testcase|
       expect(testcase).not_to be(nil)
@@ -128,6 +129,13 @@ def execute_example_spec
       expect(testcase.text).to include("shared_examples.rb")
     end
 
+    # it has detail for an aggregate_failures example
+    expect(failed_multiple_testcases.size).to eql(1)
+    failed_multiple_testcases.each do |testcase|
+      expect(testcase.text).to include("foo")
+      expect(testcase.text).to include("bar")
+    end
+
     # it cleans up diffs
 
     diff_testcase_failure = doc.xpath("//testcase[contains(@name, 'diffs')]/failure").first