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# Copyright (c) 2012 Ecma International.    All rights reserved.
# This code is governed by the BSD license found in the LICENSE file.


#--IMPORTS---------------------------------------------------------------------
import os
import sys

#--GLOBALS---------------------------------------------------------------------
CVG_DICT = {}

#--HELPERS---------------------------------------------------------------------
def getCoverageData(directory):
    tempList = os.listdir(directory)
    #Build up a list of directories under directory
    dirList = [x for x in tempList if os.path.isdir(os.path.join(directory, x))]
    #Build up a list of JavaScript files under the current directory
    jsList = [x for xin in tempList if x.endswith(".js")]

    #If the directory contains JavaScript files we'll assume they're all test
    #cases
    if len(jsList)!=0:
        CVG_DICT[os.path.split(directory)[1]] = len(jsList)

    #This might have just been a directory containing other dirs. Call ourself on
    #it as well
    for x in dirList:
        getCoverageData(os.path.join(directory, x))


def emitCoverageData(cvgDict):
    totalTests = 0
    totalSections = 0
    keyList = cvgDict.keys()
    keyList.sort(chapterCompare)
    for cvgKey in keyList:
        print cvgKey, ",", cvgDict[cvgKey]
        totalSections+=1
        totalTests+=cvgDict[cvgKey]
    print
    print "Total number of tests is:", totalTests, "."
    print "These tests cover", totalSections, "ECMAScript 5 sections."


def chapterCompare(x, y):
    if ("." in x) and ("." in y):
        try:
            x1 = int(x[0:x.index(".")])
            y1 = int(y[0:y.index(".")])
            if x1==y1:
                return chapterCompare(x[x.index(".")+1:], y[y.index(".")+1:])
            return cmp(x1, y1)
        except ValueError:
            pass
    return cmp(x, y)

#--MAIN------------------------------------------------------------------------
startDir = sys.argv[1]
getCoverageData(startDir)
print "Emitting ECMAScript 5 coverage data for", startDir, "..."
emitCoverageData(CVG_DICT)