Support logging longest suites

spec/time-reporter.coffee

@@ -4,6 +4,7 @@ module.exports =
 class TimeReporter  extends jasmine.Reporter
 
   timedSpecs: []
+  timedSuites: {}
 
   constructor: ->
     window.logLongestSpec = -> window.logLongestSpecs(1)
@@ -13,11 +14,19 @@ class TimeReporter  extends jasmine.Reporter
         console.log "#{spec.time}ms"
         console.log spec.description
 
+    window.logLongestSuite = -> window.logLongestSuites(1)
+    window.logLongestSuites = (number=10) =>
+      console.log "#{number} longest running suites:"
+      suites = _.map(@timedSuites, (key, value) -> [value, key])
+      for suite in _.sortBy(suites, (suite) => -suite[1])[0...number]
+        console.log suite[0], suite[1]
+
   reportSpecStarting: (spec) ->
     stack = [spec.description]
     suite = spec.suite
     while suite
       stack.unshift suite.description
+      @suite = suite.description
       suite = suite.parentSuite
 
     @time = new Date().getTime()
@@ -27,8 +36,14 @@ class TimeReporter  extends jasmine.Reporter
 
   reportSpecResults: ->
     return unless @time? and @description?
+
+    duration = new Date().getTime() - @time
     @timedSpecs.push
       description: @description
-      time: new Date().getTime() - @time
+      time: duration
+    if @timedSuites[@suite]
+      @timedSuites[@suite] += duration
+    else
+      @timedSuites[@suite] = duration
     @time = null
     @description = null