Changeset 53eafd97a7caf432dce29b625005d7e028ae5b62

Timestamp:

04/27/08 11:38:01 (8 months ago)

Author:

David Balmain <dbalmain@…>

Parents:

340bd709cb5031fcc12fc5f7d3fae191ec716b7c

Children:

190f7af639412f6d6b91876cb6b9f609028b7e46

git-committer:

David Balmain <dbalmain@gmail.com> / 2008-04-27T11:38:01Z+1000

Message:

Added gcov history plotting and publishing.

Can now plot history of gcov coverage and publish results to Ferret's trac wiki

Location:

c

Files:

• .rake/gcov.history (added)
• .rake/gcov_history.plot (added)
• Rakefile (modified) (8 diffs)

c/Rakefile

@@ -55 +55 @@
   sh script
 end
+
+###
+# Useful Constants
+###
+
+DAY = 24 * 60 * 60 # seconds in day
 
 ###
@@ -179 +185 @@
   if copts != old_copts
     File.open(copts_file, 'w') {|f| f.write(Marshal.dump(copts))}
-    Rake::Task[:clean].invoke
+    Rake::Task[:scrub].invoke
   end
 end
@@ -197 +203 @@
                   '*.gcov',
                   'y.tab.c'])
-
 CLOBBER.include([ '*.a',
                   '**/*.o',
@@ -207 +212 @@
                   GCOV_DIR])
 
-task :default => :testall
-
+SCRUB = FileList[CLEAN, '**/*.o']
+desc "clean for rebuild"
+task :scrub do
+  SCRUB.each {|fn| rm_r fn rescue nil}
+end
+
+###
+# Test Helpers
+###
 def run_tests
   check_coptions
@@ -221 +233 @@
   FileList['.rake/HAVE_*'].each {|fn| CFLAGS << File.read(fn)}
 end
+
+###
+# gcov Helpers
+###
+GCOV_HIST_FILE = ".rake/gcov.history"
+def load_gcov_history
+  Marshal.load(File.read(GCOV_HIST_FILE))
+end
+
+task :default => :testall
 
 desc "Run all tests"
@@ -247 +269 @@
 end
 
-task :gcov2html => :do_gcov do
+desc "Generate .rake/gcov_results.html"
+task :gcov2html => [:do_gcov, '.rake/gcov_history.jpg'] do
   puts "Generating .rake/gcov_results.html..."
   File.open('.rake/gcov_results.html', 'w') do |f|
     f.write(ERB.new(File.read('.rake/gcov_results.erb')).result(binding))
   end
+end
+
+file '.rake/gcov_history.data' => GCOV_HIST_FILE do |t|
+  history = load_gcov_history
+  start = history.start_date
+  File.open(t.name, 'w') do |f|
+    history.data.each do |d|
+      f.write "%s %.2f\n" %
+        [Time.at((d.day + start) * DAY).strftime("%Y-%m-%d"), d.percent]
+    end
+  end
+end
+
+file '.rake/gcov_history.jpg' => '.rake/gcov_history.data' do |t|
+  sh "gnuplot .rake/gcov_history.plot"
 end
 
@@ -282 +320 @@
   $gcov_results.total_lines = total_lines
   $gcov_results.covered_lines = covered_lines
-  $gcov_results.percent = 100.0 * covered_lines /total_lines
+  $gcov_results.percent = percent = 100.0 * covered_lines /total_lines
+  history = load_gcov_history
+  today = Time.now.to_i/DAY - history.start_date
+  history.data.pop if history.data.last.day == today
+  history.data << OpenStruct.new(:day => today,
+                                 :total => total_lines,
+                                 :covered => covered_lines,
+                                 :percent => percent)
+  File.open(GCOV_HIST_FILE, 'w') {|f| f.write(Marshal.dump(history))}
 end
 
@@ -472 +518 @@
   desc "Publish the gcoverage results"
   task :gcov => :gcov2html do
-    sh %{scp .rake/gcov_results.html www@davebalmain.com:/var/www/ferret}
+    sh "scp .rake/gcov_results.html .rake/gcov_history.jpg " + 
+         "www@davebalmain.com:/var/www/ferret"
   end
 end