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goDzire.pl
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goDzire.pl
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#!/usr/bin/perl
####################################################################################################
# Author : Nipun Gupta #
# Date : 21-July-2013 #
# #
# Revision History #
# ================ #
# v1.0 21-July-2013 Code ok Initial draft. #
# #
# #
# #
# #
# #
# Description : #
# 1. Automatic test case generation #
# 1. Write the input file that contain the test data. #
# 2. Write the test scenario file using grammar defined. #
# 3. Write the rules/conditions. #
# #
# 2. Characters supported:-- #
# 1. Right Curly bracket "{" => to open the range content #
# 2. Left Curly bracket "}" => to close the range content #
# 3. Right Square bracket "[" => to open the index content #
# 4. Right Square bracket "]" => to close the index content #
# 5. Two dots define range ".." #
# 6. Right paranthesis "{" => to open the condition #
# 7. Left paranthesis "}" => to close the condition #
# 8. The colon ":" => to split ranges and indexes #
# #
# 3. Rules for Grammer:-- #
# 2. Define range as => {<int 1>}{<int 2>} or {<int 1>..<int n>} #
# 3. Define index as => [<int 1>][<int 2>] or [<int 1>..<int n>] #
# #
# 4. Rules for conditions:-- #
# 0. No rule => () #
# 1. Not equal to "!=" => Data1 is not equal to Data 2, string comparision #
# (Data1 != Data2) #
# 2. Exists if "exists if" => Data1 exists only if Data2 belongs to some range #
# (Data1 exists if Data2[2][3]) #
# 3. Not Exists if "!exists if" => Data1 does not exists if Data2 belongs to some range #
# (Data1 !exists if Data2[3]) #
# #
# 5. Sample SampleInput.csv file #
=head
Data1,Data2,Data3,Data4
Value01,Value02,Value03,Value04
Value11,Value12,Value13,Value14
Value21,Value22,Value23,Value24
,Value01,Value01,Value01
,Value11,Value11,Value11
,Value21,Value21,Value21
=cut
# #
# 6. Sample SampleTestScenario.csv file #
=head
TestID,Summary,Data1,Data2,Data3,Data4,Expected,Condition
1,Test summary one,{1}:[0],{1},{1},{1},Expected result one,(Data1 exists if Data2[3])
2,Test summary two,{1}:[0],{1}:[3..5],{1},{1},Expected result one,(Data1 != Data2)
3,Test summary three,{1..3},{1},{1},{1},Expected result one,(Data1 != Data2) && (Data1 !exists if Data2[3])
=cut
# #
# 7. Run program using #
# perl goDzire.pl -output MyTest.csv -scenario SampleTestScenario.csv -input SampleInput.csv #
# #
# 8. Sample Output file - MyTest.csv #
=head
1;,Test summary one;,Value01;,Value01;,Value13;,Value21;,Expected result one,
2;,Test summary two;,Value01;,Value11;,Value11;,Value11;,Expected result one,
3;,Test summary three;,Value11;,Value12;,Value11;,Value24;,Expected result one,
3;,Test summary three;,Value01;Value11;,Value22;,Value13;,Value04;,Expected result one,
3;,Test summary three;,Value21;Value21;Value01;,Value22;,Value11;,Value24;,Expected result one,
=cut
# #
# #
####################################################################################################
use strict;
use warnings;
# make print fast
$| = 1;
# Global Usages
my @scenarioArray = ();
my @testDataArray = ();
my @header = ();
my %testDataHash;
my $inputTestData;
my $outputFile;
my $testScenarios;
sub hashOfArray {
my $hashRef = shift;
my $key = shift;
my $value = shift;
push @{ $hashRef->{$key} }, $value;
}
# print test data or array of hash
sub printTestData {
foreach ( keys %testDataHash ) {
print "\n\n$_ => ";
my $array = $testDataHash{$_};
foreach (@$array) {
print $_ . ",";
}
}
}
# Read Input File in an array.
sub file_read () {
my $fileName = shift;
my @inputFile = ();
unless ($fileName) {
die "you have not specified any file as command line argument \n";
}
unless ( -f $fileName ) {
die "supplied argument must be an existing file \n";
}
open openFD, "$fileName" or die("Could not open input file.");
@inputFile = <openFD>;
close(openFD);
return @inputFile;
}
sub getTestData () {
my $fileName = shift;
my $flag = 0;
my $line;
my $i;
my %hashInitial;
my @token;
foreach (@$fileName) {
$line = $_;
chomp($line);
if ( $flag == 0 ) {
@header = split( /,/, $line );
$flag = 1;
}
else {
@token = split( /,/, $line );
$flag = 1;
for ( $i = 0 ; $i <= $#header ; $i++ ) {
if ( defined( $token[$i] ) && $token[$i] ne "" ) {
hashOfArray( \%hashInitial, $header[$i], $token[$i] );
}
}
}
}
return %hashInitial;
}
sub breakToken {
my $token = shift;
my @tokenArr = ();
my @resultArr = ();
@tokenArr = split( /,/, $token );
foreach (@tokenArr) {
if ( $_ =~ m/(\d+)\.\.(\d+)/ ) {
for ( my $k = $1 ; $k <= $2 ; $k++ ) {
push( @resultArr, $k );
}
}
else {
push( @resultArr, $_ );
}
}
return @resultArr;
}
sub processScenarios {
my @token;
my $range;
my $index;
my @arrIndex;
my @arrRange;
my $rangeRNG;
my $random_number;
my %testCase;
open( TESTCASES, ">>" . $outputFile );
print TESTCASES "\n";
foreach ( my $i = 1 ; $i <= $#scenarioArray ; $i++ ) {
%testCase = ();
@token = split( /,/, $scenarioArray[$i] );
$testCase{"TestID"} = $token[0];
$testCase{"Summary"} = $token[1];
foreach ( my $j = 2 ; $j < $#token - 1 ; $j++ ) {
$range = -1;
$index = -1;
if ( $token[$j] =~ /(.*?)\:(.*)/ ) {
$range = $1;
$index = $2;
}
elsif ( $token[$j] =~ m/({.*})/ ) {
$range = $1;
$index = -1;
}
$index =~ s/\]\[/,/g;
$range =~ s/\}\{/,/g;
$index =~ s/\]|\[//g;
$range =~ s/\}|\{//g;
@arrRange = &breakToken($range);
@arrIndex = &breakToken($index);
$rangeRNG = $#arrRange + 1;
$random_number = int( rand($rangeRNG) );
# all values are permitted
if ( $arrIndex[0] == -1 ) {
pop(@arrIndex);
my $array = $testDataHash{ $header[ $j - 2 ] };
foreach (@$array) {
push( @arrIndex, $_ );
}
}
else {
for ( my $k = 0 ; $k <= $#arrIndex ; $k++ ) {
$arrIndex[$k] =
$testDataHash{ $header[ $j - 2 ] }->[ $arrIndex[$k] ];
}
}
for ( my $l = $arrRange[$random_number] ; $l > 0 ; $l-- ) {
$rangeRNG = $#arrIndex + 1;
$random_number = int( rand($rangeRNG) );
$testCase{ $header[ $j - 2 ] } .=
$arrIndex[$random_number] . ";";
}
}
if ( 0 == validateTestCase( \%testCase, $token[$#token] ) ) {
$i -= 1;
}
else {
print TESTCASES "\n\"" . $testCase{"TestID"} . "\","
if ( exists( $testCase{"TestID"} ) );
print TESTCASES "\"" . $testCase{"Summary"} . "\","
if ( exists( $testCase{"Summary"} ) );
foreach (@header) {
if ( !defined( $testCase{$_} ) ) {
$testCase{$_} = "";
}
$testCase{$_} =~ s/;/;\n/g;
chomp($testCase{$_});
print TESTCASES "\"" . $testCase{$_} . "\",";
}
print TESTCASES $token[ $#token - 1 ] . ",";
}
printf "\n TestID : %-11s", $testCase{"TestID"}
if ( exists( $testCase{"TestID"} ) );
printf "\n Summary : %-11s", $testCase{"Summary"}
if ( exists( $testCase{"Summary"} ) );
foreach (@header) {
printf "\n %-11s : %-11s", $_,
( exists( $testCase{$_} ) ? $testCase{$_} : "" );
}
printf "\n Expected : %-11s", $token[ $#token - 1 ];
print "\n=================================================\n";
}
close(TESTCASES);
}
sub validateTestCase {
my $hashTestCase = shift;
my $condition = shift;
my @allCnds = split( / && /, $condition );
my $result = 0;
my $resultFlag = 0;
my $targetElement;
my $conditionElement;
my $elementRange;
foreach (@allCnds) {
$condition = $_;
$resultFlag = 0;
chomp($condition);
# Rule no. 0 - exists if
if ( $condition =~ m/\(\)/ ) {
print "\n\n STATUS : OK\n";
return 1;
}
# Rule no. 1 - exists if
if ( $condition =~ m/\((.*) exists if (.*?)\[(.*)\]\)/ ) {
$targetElement = $1;
$conditionElement = $2;
$elementRange = $3;
$elementRange =~ s/\]\[/,/g;
$elementRange =~ s/\]|\[//g;
my @arrRange = &breakToken($elementRange);
foreach (@arrRange) {
if ( $$hashTestCase{$conditionElement} =~
m/$testDataHash{$conditionElement}->[$_]/ )
{
print "\n Rule PASS " . $condition;
$resultFlag = 1;
last;
}
}
if ( $resultFlag == 0 ) {
print "\n Rule FAIL " . $condition . " Correction Done";
$$hashTestCase{$targetElement} = "";
}
$result++;
}
# Rule no. 2 - != condition
if ( $condition =~ m/\((.*) \!\= (.*)\)/ ) {
$targetElement = $1;
$conditionElement = $2;
if ( $$hashTestCase{$targetElement} ne
$$hashTestCase{$conditionElement} )
{
print "\n Rule PASS " . $condition;
$result++;
}
else {
print "\n Rule FAIL " . $condition . " Re-try the test";
}
}
# Rule no. 3 - !exists if
if ( $condition =~ m/\((.*) !exists if (.*?)\[(.*)\]\)/ ) {
$targetElement = $1;
$conditionElement = $2;
$elementRange = $3;
$elementRange =~ s/\]\[/,/g;
$elementRange =~ s/\]|\[//g;
my @arrRange = &breakToken($elementRange);
$resultFlag = 1;
foreach (@arrRange) {
if ( $$hashTestCase{$conditionElement} =~
m/$testDataHash{$conditionElement}->[$_]/ )
{
print "\n Rule FAIL " . $condition . " Correction Done";
$resultFlag = 0;
$$hashTestCase{$targetElement} = "";
last;
}
}
if ( $resultFlag == 1 ) {
print "\n Rule PASS " . $condition;
}
$result++;
}
}
if ( $result != $#allCnds + 1 ) {
print "\n\n STATUS : NOT OK\n";
return 0;
}
else {
print "\n\n STATUS : OK\n";
return 1;
}
}
sub stretchTestCases {
my @token;
my $range;
my $index;
my @arrRange;
my %testCase;
my $myRange;
my $breakElement;
my $breakIndex;
my @breakRange;
foreach ( my $i = 1 ; $i <= $#scenarioArray ; $i++ ) {
%testCase = ();
@token = split( /,/, $scenarioArray[$i] );
$myRange = -2;
foreach ( my $j = 2 ; $j < $#token - 1 ; $j++ ) {
$range = -1;
$index = "";
if ( $token[$j] =~ /(.*?)\:(.*)/ ) {
$range = $1;
$index = $2;
}
elsif ( $token[$j] =~ m/({.*})/ ) {
$range = $1;
}
$range =~ s/\}\{/,/g;
$range =~ s/\}|\{//g;
@arrRange = &breakToken($range);
if ( $myRange < $#arrRange + 1 ) {
$breakElement = $j;
$breakIndex = $index;
@breakRange = &breakToken($range);
$myRange = $#arrRange + 1;
}
}
for ( my $k = 0 ; $k <= $#breakRange ; $k++ ) {
print TESTFILE "\n";
foreach ( my $j = 0 ; $j < $#token ; $j++ ) {
print TESTFILE $token[$j] . "," if ( $j != $breakElement );
if ( $j == $breakElement ) {
print TESTFILE "{" . $breakRange[$k] . "}";
print TESTFILE ":" . $breakIndex if ( $breakIndex ne "" );
print TESTFILE ",";
}
}
print TESTFILE $token[$#token];
}
}
}
#Step0 - get the file names
for ( my $count = 0 ; $count <= $#ARGV ; $count++ ) {
if ( $ARGV[$count] eq "-input" ) {
$inputTestData = $ARGV[ ++$count ];
}
if ( $ARGV[$count] eq "-output" ) {
$outputFile = $ARGV[ ++$count ];
}
if ( $ARGV[$count] eq "-scenario" ) {
$testScenarios = $ARGV[ ++$count ];
}
}
#Step1 - Read the Test Scenario Sheet
@scenarioArray =
&file_read($testScenarios); # Lines Corresponding to test scenarios Only
chomp(@scenarioArray);
#Step2 - Extend the test cases
open( TESTFILE, ">extTest.csv" );
print TESTFILE $scenarioArray[0];
stretchTestCases();
close(TESTFILE);
@scenarioArray =
&file_read("extTest.csv"); # Lines Corresponding to test scenarios Only
chomp(@scenarioArray);
#Step3 - Read the Input Test Data Sheet
@testDataArray =
&file_read($inputTestData); # Lines Corresponding to test data Only
#Step4 - Create the test data as hash of array
%testDataHash = &getTestData( \@testDataArray );
# print test data
printTestData;
#Step5 - start processing the test scenarios
processScenarios();