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gVj.Y_0本篇日志中我将介绍LOADRUNNER对事务操作的几个函数,并通过一个例子,说明LOADRUNNER中事务是否成功是如何判断的,同时也介绍如何判断在脚本执行过程中脚本是否真实的执行成功。51Testing软件测试网 ]L4VyG
U7c~{o)z5~!v01.先问个问题,我们带着问题继续
1q?&zxnGl`,nQh051Testing软件测试网8L|,d!v$`4~录制一个登陆脚本,对登陆用户和密码进行参数化,使前2个用户名正确,第三个用户名错误,设置脚本迭代3次,分别使用第一个、第二个、第三个用户登陆,此时在脚本中对登陆的提交操作加一个事务TR_LOGIN,现在提出问题:运行脚本时51Testing软件测试网!f
IAbT:CH
51Testing软件测试网TS
vepJ第一个用户登陆成功,事务TR_LOGIN是否成功?
%sK-H{'?,d/SB051Testing软件测试网W?
J9yr2D第二个用户登陆成功,事务TR_LOGIN是否成功?51Testing软件测试网Ss!dU1D)XU
6UM^6?dr.n0第三个用户登陆失败,事务TR_LOGIN是否成功?51Testing软件测试网_9aiG]$u#y
~b['h:[#R0答案是:TR_LOGIN事务三次执行时均成功51Testing软件测试网*IYQv1G"\'BX6\(ru
51Testing软件测试网5^Jn'c2oUi那有人会问,登陆失败为什么事务成功?我们一起来看下面的例子,相信在做过例子后就会得到答案!51Testing软件测试网]*^D!w3U"|
51Testing软件测试网(O2F'E
B2}4aOA6n我这个例子录制的是LOADRUNNER自带的mercuryWebTours51Testing软件测试网}ZSDC-K
51Testing软件测试网:wCn!O}oUT9^录制方法在这里就不介绍了,录制完成并对用户名和密码参数化后的脚本如下:(参数化时其中第三个用户名是错误的)51Testing软件测试网y@g'W\
l*v:AJ{Ahzc7c:L0Action()
:g1SQ j^*z0{51Testing软件测试网 Z/H(x)QlR"nE!_O
double trans_time;51Testing软件测试网 c t2G }Q
51Testing软件测试网0E
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w dv
ZE int status;51Testing软件测试网
H?:aR1K%o"KPy
1Fp
n,sl(~y%Z0 web_url("mercuryWebTours",51Testing软件测试网S;w,o:[!]4gw9TX
"URL=http://127.0.0.1:1080/mercuryWebTours/",51Testing软件测试网_9[2tfU;O3d\
"Resource=0",
%d#Xh-dO:pK S0 "RecContentType=text/html",
&{`8d,^n[0 "Referer=",
)y'dp0g&O!G~0 "Snapshot=t1.inf",51Testing软件测试网dxI9rc,T
"Mode=HTML",51Testing软件测试网HN'| f#op,|u+nd4O
LAST);
{J-Ue
~%f0 lr_start_transaction("tr_login");
9X$qGX?SN0 trans_time=lr_get_transaction_duration( "tr_login" );
g)g(|-nF&T2RE051Testing软件测试网0j:Yv2QL*}:wk2F//lr_get_transaction_duration这个函数可以得到事务执行所消耗的时间51Testing软件测试网"{!gE DSL
web_reg_find("Text=Error",
:Q2X*E}!j"bz Co5H"~c0 "SaveCount=login_Count", LAST);
HF!s+ql0[o
w0Xp:m xWD.T$`0//web_reg_find这个函数可以在相应的范围内找到要找的内容,和检查点类似,但这个函数被WEB_FIND多一个参数返回结果,那就是savecount这个值可以记录在指定范围内找到指定内容的个数,这个例子中我们就是通过这个值来判断用户是否真正的登陆成功51Testing软件测试网#H$d'DkTL `
'~iL
hOo0//说明:在登陆失败后,登陆页面会有一个“ERROR”的字符串,所以我们认为如果出现该字符串代表登陆失败,这个判断登陆成功或失败的条件,根据具体的项目不同而不同,根据实际情况而定51Testing软件测试网
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](R3^,X4p K*U0 status = web_submit_form("login.pl",51Testing软件测试网5c%HE/\4?
"Snapshot=t2.inf",51Testing软件测试网!?/p0Xz'^-^[
ITEMDATA,
gU
ut9Q&[0 "Name=username", "Value={name}", ENDITEM,
E{3JL`;{!^0 "Name=password", "Value={password}", ENDITEM,51Testing软件测试网zL3c5c@,F(lT:a:N
"Name=login.x", "Value=51", ENDITEM,51Testing软件测试网Dpr&Bw.cp!f3GE
"Name=login.y", "Value=12", ENDITEM,51Testing软件测试网/xa2l;a"J$E)I8tx
LAST);
L)[Y
~.MONicj.C0
O+i0n{&U5^0//我们把web_submit_form函数执行的结果赋给status这个变量,如果成功返回0,不成功返回大于0的数
c;S.MV_*p0n$W1EL5n
J0if (status == 0) //如果成功51Testing软件测试网.Q.vcU6qy
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lr_end_transaction("tr_login", LR_PASS);//如果提交成功,设置事务状态为PASS51Testing软件测试网zV$r\$K6m{k;{ K
else
_A
p'UwzU[ cc(A0 lr_end_transaction("tr_login", LR_FAIL);//如果提交失败,设置事务状态为FAIL51Testing软件测试网"W!W\0B}%X
i*F1H4c-OP|bs4b0if (trans_time) //如果该事务消耗了时间输出该时间51Testing软件测试网9?B%{Vyw:W
lr_output_message("tr_login事务耗时 %f 秒", trans_time);51Testing软件测试网)z'N9U,x
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else //如果该事务没有消耗时间,那么输出时间不确定
5ni;R-p1Z7i)[051Testing软件测试网0GQ;oUF3^4h As lr_output_message("The duration cannot be determined.");
;\&a_"OD;[0
l6p)Zv*mpJq:K0if (atoi(lr_eval_string("{login_Count}")) > 0){51Testing软件测试网Vv Zu&T}
2BE X!s&k&qx`0//如果在登陆后的页面中找到“ERROR”这个字符串,我们认为登陆失败51Testing软件测试网(f5Jm"C?
lr_error_message("Login failed");51Testing软件测试网2OSWCh
}51Testing软件测试网poP8V"DvuX
else{51Testing软件测试网hq!F(][w/SU
Y*n,O
B]E:qK0//否则登陆成功
7aLj$J?3R/A051Testing软件测试网'z(oU)T0Y lr_output_message("Login successful.");51Testing软件测试网H4@/Gb:?*^6SjK
51Testing软件测试网:\3Bm0Rw)ca return(0);51Testing软件测试网Xou
U|6?AvM5U
4X!qu/]a0 }51Testing软件测试网
uSq/o6FN Fh_Y
return 0;51Testing软件测试网}$R#} Ah;~3H
}51Testing软件测试网3G|w,lu0M+~SW7l
V
51Testing软件测试网!g0{OE [好了,
LOqalcF051Testing软件测试网7CN"]
G8vm执行这个脚本,得到的结果是:51Testing软件测试网9e|}$YS2^~&S ]
51Testing软件测试网 ow_~0DxNi-u第一次迭代时:(在这里只粘贴了一部分关键的日志)51Testing软件测试网S k.dI~B"F2N(?bX^8T
51Testing软件测试网&KnZb|n:uinj'yAction.c(15): Notify: Transaction "tr_login" started.
lkL/YlKW+z0Action.c(17): Registering web_reg_find was successful [MsgId: MMSG-26390]51Testing软件测试网q.M?/M-QWjZ"H|F"m
Action.c(20): Notify: Parameter Substitution: parameter "name" = "huruihai"51Testing软件测试网Q;iZ
A*K$U/`r
Action.c(20): Notify: Parameter Substitution: parameter "password" = "huruihai"51Testing软件测试网 oE"l No"h+f"X3z&~
Action.c(20): Registered web_reg_find successful for "Text=Error" [MsgId: MMSG-26362]51Testing软件测试网Si@u0~D%f
N y
Action.c(20): Notify: Saving Parameter "login_Count = 0"
/j2v\M4aAN0Action.c(20): web_submit_form("login.pl") was successful, 32673 body bytes, 1652 header bytes [MsgId: MMSG-26386]
"^&G8]bdT0Action.c(30): Notify: Transaction "tr_login" ended with"Pass"status
;_Hyi jOM0Action.c(35): login事务耗时 0.002523 秒51Testing软件测试网v6as#G9Epc}"@
Action.c(39): Notify: Parameter Substitution: parameter "login_Count" = "0"51Testing软件测试网gg\)OL)U@1D
Action.c(44):Login successful.
,}0NwJ?1R*j0第二次迭代时:
4w7C9?d4Lo4k051Testing软件测试网 [E?cr"FElAction.c(15): Notify: Transaction "tr_login" started.
Z+hH*}1JUM9v0Action.c(17): Registering web_reg_find was successful [MsgId: MMSG-26390]
:z&}|.z(C2e0Action.c(20): Notify: Parameter Substitution: parameter "name" = "wangjin"51Testing软件测试网0Y-xB$MX~E
Action.c(20): Notify: Parameter Substitution: parameter "password" = "wangjin"51Testing软件测试网nxM8Y,j\;i
Action.c(20): Registered web_reg_find successful for "Text=Error" [MsgId: MMSG-26362]
0bdT%]WW Q6Y2?8F6g0Action.c(20): Notify: Saving Parameter "login_Count = 0"51Testing软件测试网l'?4_0?
K'u
Action.c(20): web_submit_form("login.pl") was successful, 32673 body bytes, 1652 header bytes [MsgId: MMSG-26386]51Testing软件测试网-i u/}?
]*O'd
Action.c(30): Notify: Transaction "tr_login" ended with"Pass"status
P9h `3F0z^6F0Action.c(35): login事务耗时 0.006644 秒51Testing软件测试网y4F3qj#rY!^9f$g}
Action.c(39): Notify: Parameter Substitution: parameter "login_Count" = "0"
TqH-wJ5HO0Action.c(44):Login successful.
Q ~1dPq(tsV0Ls'HP"z? ]0第三次迭代时:
)Ur7H*P [;g*{0&I%x8gV%v)m0Action.c(15): Notify: Transaction "tr_login" started.51Testing软件测试网 |+\P4sRp-V N
Action.c(17): Registering web_reg_find was successful [MsgId: MMSG-26390]51Testing软件测试网 u4JK_#Dl`3]@1E
Action.c(20): Notify: Parameter Substitution: parameter "name" = "errorname"
`d@koO w0Action.c(20): Notify: Parameter Substitution: parameter "password" = "errorpd"
!Gy A ?Z:C/m-c EB6P)y0Action.c(20): Registered web_reg_find successful for "Text=Error" (count=3) [MsgId: MMSG-26364]
B1cW'f8KLI0Action.c(20): Notify: Saving Parameter "login_Count = 3"51Testing软件测试网Co(W-J:T?8KX
Action.c(20): web_submit_form("login.pl") was successful, 29263 body bytes, 821 header bytes [MsgId: MMSG-26386]
f)R)Qxvk7U0Action.c(30): Notify: Transaction "tr_login" ended with"Pass"status (Duration: 0.6840 Wasted Time: 0.0010).
Vd'}NF:uy0Action.c(35): login事务耗时 0.005852 秒51Testing软件测试网:OWuy\8k%kZ*O
Action.c(39): Notify: Parameter Substitution: parameter "login_Count" = "3"
LH7CX&L7VU-iT"P A0Action.c(40):Error: Login failed
.]:~Tc.]$Z5^6UL+qv0}'Or^4Y u vu4E2Q2L0Ending action Action.51Testing软件测试网(F$`ol(Pq
wH IQ
51Testing软件测试网iB K-UY'B;n's
!J{jcK
@6r)J0大家可以看到,事务执行结果总是成功的,但最后一次的登陆确是失败的51Testing软件测试网;`l
l+]C5{vU
51Testing软件测试网v
Z:[E$@)h$}V^8v(L我又把最后一次事务提交的请求地址做了错误的参数化,得到的结果是,事务执行失败
4v\ Q3Y ]051Testing软件测试网@Uwe5ZV#poa7Z好了得出结论:
'p{_qE(S\n051Testing软件测试网b\#b\+N!Se8Q|事务是否执行成功,是根据服务器是否有正确的回应,而与业务逻辑本身没有关系51Testing软件测试网-OPi$m'I6Dt
51Testing软件测试网o@(h-G#v本人对LOADRUNNER也是在摸索中,如果文章有写的不对,或理解错误的地方请指出,不甚感激51Testing软件测试网L-q{Z&DAR
@@9j#Q`&v0
E&Vo#j'L%p!u051Testing软件测试网3Op5\`K'Z$l Pi
51Testing软件测试网Iv:KARu!@本文为huruihai原创,转载请注明出处:http://www.51testing.com/?41972
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