stack_printer_test.rb in ruby-prof-0.12.2

- old
+ new

@@ -1,10 +1,9 @@
 #!/usr/bin/env ruby
 # encoding: UTF-8
 
 require File.expand_path('../test_helper', __FILE__)
-require 'tmpdir'
 
 # Test data
 #     A
 #    / \
 #   B   C
@@ -41,13 +40,14 @@
     end_time = Time.now
     expected_time = end_time - start_time
 
     file_contents = nil
     assert_nothing_raised { file_contents = print(result) }
-    assert file_contents =~ /Thread: (\d+) \(100\.00% ~ ([.0-9]+)\)/
+    # TODO: why are thread ids negative on travis-ci.org (32 bit build maybe?)
+    assert_match(/Thread: (-?\d+) \(100\.00% ~ ([\.0-9]+)\)/, file_contents)
     actual_time = $2.to_f
-    assert_in_delta(expected_time, actual_time, 0.01)
+    assert_in_delta(expected_time, actual_time, 0.5)
   end
 
   def test_method_elimination
     RubyProf.start
     5.times{STPT.new.a}
@@ -62,12 +62,15 @@
   end
 
   private
   def print(result)
     test = caller.first =~ /in `(.*)'/ ? $1 : "test"
-    testfile_name = "#{Dir::tmpdir}/ruby_prof_#{test}.html"
+    testfile_name = "#{RubyProf.tmpdir}/ruby_prof_#{test}.html"
+    # puts "printing to #{testfile_name}"
     printer = RubyProf::CallStackPrinter.new(result)
     File.open(testfile_name, "w") {|f| printer.print(f, :threshold => 0, :min_percent => 0, :title => "ruby_prof #{test}")}
     system("open '#{testfile_name}'") if RUBY_PLATFORM =~ /darwin/ && ENV['SHOW_RUBY_PROF_PRINTER_OUTPUT']=="1"
-    File.open(testfile_name, "r"){|f| f.read}
+    assert File.exist?(testfile_name), "#{testfile_name} does not exist"
+    assert File.readable?(testfile_name), "#{testfile_name} is no readable"
+    File.read(testfile_name)
   end
 end