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一,IOS覆蓋率報告的生成
在做前端精準(zhǔn)測試的時候,對于iOS端,通常會做如下操作:
(1)合并覆蓋率數(shù)據(jù)
如下操作:
xcrun llvm-profdata merge coverage_file1657885040728.profraw coverage_file1657885829980.profraw test.profraw -output merged.profraw
(2)翻譯覆蓋率數(shù)據(jù)
xcrun llvm-profdata merge -sparse test.profraw -o test.profdata
(3)生成info文件
xcrun llvm-cov export ./shoppingCart --instr-profile=test.profdata -use-color --format=lcov > ./newreport.info
(4)生成html報告
./lcov-1.14/bin/genhtml -o html ./newreport.info
其中這個info文件非常重要,我們可以根據(jù)需求的diff代碼,對其進行過濾,進行生成增量報告。同時在合并覆蓋率報告的時候,也會處理這個info文件。但是在網(wǎng)上很難找到完整的info文件信息解讀,經(jīng)過我多方查找,不斷測試,總結(jié)出info文件各個信息段的含義。
二,覆蓋率報告info文件解讀
一個Swift?項目的覆蓋率報告Info文件,具體的內(nèi)容如下:
SF:/Users/sxf/Documents/精準(zhǔn)測試/KimCode/iOSSDKInject/kim-ios/packages/kim-ios/Kim/DataHelper/KImPinYin.swift
FN:16,$s4Kima9KimPinYinC7preloadyyFZ
FN:20,$s4Kima9KimPinYinCACycfc
FN:24,$s4Kima9KimPinYinCfD
FN:28,$s4Kima9KimPinYinC12pinyinLoadedyyF
FN:33,$s4Kima9KimPinYinC7convertyS2SF
FN:42,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyF
FN:49,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyFSbSS_Sit_SS_SittXEfU_
FN:52,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyFADSgSS_SitXEfU0_
FN:60,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyF
FN:67,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyFSbSS_Sit_SS_SittXEfU_
FN:70,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyFADSgSS_SitXEfU0_
FN:78,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tF
FN:85,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tFSbSS_Sit_SS_SittXEfU_
FN:88,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tFADSgSS_SitXEfU0_
FNDA:2,$s4Kima9KimPinYinC7preloadyyFZ
FNDA:0,$s4Kima9KimPinYinCACycfc
FNDA:0,$s4Kima9KimPinYinCfD
FNDA:0,$s4Kima9KimPinYinC12pinyinLoadedyyF
FNDA:0,$s4Kima9KimPinYinC7convertyS2SF
FNDA:0,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyF
FNDA:0,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyFSbSS_Sit_SS_SittXEfU_
FNDA:0,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyFADSgSS_SitXEfU0_
FNDA:0,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyF
FNDA:0,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyFSbSS_Sit_SS_SittXEfU_
FNDA:0,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyFADSgSS_SitXEfU0_
FNDA:0,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tF
FNDA:0,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tFSbSS_Sit_SS_SittXEfU_
FNDA:0,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tFADSgSS_SitXEfU0_
FNF:14
FNH:1
DA:16,2
DA:17,2
DA:18,2
DA:20,0
DA:21,0
DA:22,0
DA:23,0
DA:24,0
DA:25,0
DA:26,0
DA:28,0
DA:29,0
DA:30,0
DA:31,0
DA:33,0
DA:34,0
DA:35,0
DA:36,0
DA:37,0
DA:38,0
DA:42,0
DA:43,0
DA:44,0
DA:45,0
DA:46,0
DA:47,0
DA:48,0
DA:49,0
DA:50,0
DA:51,0
DA:52,0
DA:53,0
DA:54,0
DA:55,0
DA:56,0
DA:60,0
DA:61,0
DA:62,0
DA:63,0
DA:64,0
DA:65,0
DA:66,0
DA:67,0
DA:68,0
DA:69,0
DA:70,0
DA:71,0
DA:72,0
DA:73,0
DA:74,0
DA:78,0
DA:79,0
DA:80,0
DA:81,0
DA:82,0
DA:83,0
DA:84,0
DA:85,0
DA:86,0
DA:87,0
DA:88,0
DA:89,0
DA:90,0
DA:91,0
DA:92,0
DA:93,0
DA:94,0
DA:95,0
DA:96,0
DA:97,0
DA:98,0
DA:99,0
DA:100,0
BRF:0
BRH:0
LF:91
LH:3
end_of_record
? ? 文件中有多個這樣的數(shù)據(jù)塊組成,現(xiàn)在需要對這個數(shù)據(jù)塊進行分析,以便進行跨版本的覆蓋率合并。但是,從網(wǎng)上搜索相關(guān)介紹的時候,幾乎是沒有的。于是我們只能借助于其他的數(shù)據(jù)進行比對,比如說,生成html報告,使用如下命令:
xcrun llvm-cov show ./Kima --instr-profile=./commitA/coverage_mergedA.profdata --format=html -use-color --output-dir=./commitA/checkreport
打開報告,內(nèi)容如下:
然后對照著這兩份數(shù)據(jù),就可以大概了解一下相關(guān)的內(nèi)容了:
(1)類相關(guān)的信息
SF:/Users/sxf/Documents/精準(zhǔn)測試/KimCode/iOSSDKInject/kim-ios/packages/kim-ios/Kim/DataHelper/KImPinYin.swift
FN:16,$s4Kima9KimPinYinC7preloadyyFZ
FN:20,$s4Kima9KimPinYinCACycfc
FN:24,$s4Kima9KimPinYinCfD
FN:28,$s4Kima9KimPinYinC12pinyinLoadedyyF
FN:33,$s4Kima9KimPinYinC7convertyS2SF
FN:42,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyF
FN:49,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyFSbSS_Sit_SS_SittXEfU_
FN:52,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyFADSgSS_SitXEfU0_
FN:60,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyF
FN:67,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyFSbSS_Sit_SS_SittXEfU_
FN:70,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyFADSgSS_SitXEfU0_
FN:78,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tF
FN:85,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tFSbSS_Sit_SS_SittXEfU_
FN:88,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tFADSgSS_SitXEfU0_
FNDA:2,$s4Kima9KimPinYinC7preloadyyFZ
FNDA:0,$s4Kima9KimPinYinCACycfc
FNDA:0,$s4Kima9KimPinYinCfD
FNDA:0,$s4Kima9KimPinYinC12pinyinLoadedyyF
FNDA:0,$s4Kima9KimPinYinC7convertyS2SF
FNDA:0,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyF
FNDA:0,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyFSbSS_Sit_SS_SittXEfU_
FNDA:0,$sSa4Kima8KimModel0B12SelectMemberCRszlE23sortByDisplayNamePinyinSayADGyFADSgSS_SitXEfU0_
FNDA:0,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyF
FNDA:0,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyFSbSS_Sit_SS_SittXEfU_
FNDA:0,$sSa4Kima8KimModel0B4UserVRszlE23sortByDisplayNamePinyinSayADGyFADSgSS_SitXEfU0_
FNDA:0,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tF
FNDA:0,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tFSbSS_Sit_SS_SittXEfU_
FNDA:0,$sSa4Kima8KimModel0b18GroupMemberContactC0CRszlE23sortByDisplayNamePinyin15moveAdminToFistSayADGSb_tFADSgSS_SitXEfU0_
FN:16,$s4Kima9KimPinYinC7preloadyyFZ
-
FN:代表方法
-
16:代表開始行號
-
后面的是方法名以及模塊相關(guān)的信息。
FNDA:2,$s4Kima9KimPinYinC7preloadyyFZ
-
FNDA:代碼方法的覆蓋情況
-
2:代表方法中的代碼可能執(zhí)行的次數(shù),但不一定是所有的行都執(zhí)行了,需要具體分析;
-
后面的是方法信息,與FN相照應(yīng)。
(2)方法覆蓋率信息
FNF:14 FNH:1
通過對比html報告,可以看出:
-
FNF:代碼這個文件中的總方法數(shù);
-
FNH:為覆蓋的方法數(shù)
而我們合并覆蓋率報告的時候,可以先對比一下總方法數(shù)是否一樣,如果相同,再去考慮如何處理覆蓋的方法數(shù);如果不同,則選擇最新版本的方法數(shù);
(3)行覆蓋率信息
LF:91 LH:3
-
LF: 代碼這個文件的總行數(shù),總行數(shù)以最新的版本為準(zhǔn);
-
LH:為覆蓋的行數(shù),合并覆蓋率后,需要統(tǒng)計一下合并后的覆蓋行號,更新一下這個數(shù);
(4)分支覆蓋
BRF:0 BRH:0
-
BRF:為總分支數(shù)
-
BRH:為覆蓋的分支數(shù),一般的Swift文件都是0
三,覆蓋率報告的合并
????在跨版本覆蓋率報告合并的時候,早期就是通過處理兩個info文件的不斷源碼文件覆蓋率數(shù)據(jù)進行合并的,這個方法也適合更加精細(xì)化的合并策略,比如行級別的覆蓋率處理等。
? ? 后來又找到了快速的合并方法lcov -a參數(shù)進行合并。
通過兩次詳細(xì)搜索,合并方法如下
lcov -a test1.info -a test2.info -o allreport.info
經(jīng)過驗證,合并結(jié)果達(dá)到了預(yù)期.