gotgt/docs/libiscsi_coverage_report.md

libiscsi Test Coverage Report

概述

本报告分析了 libiscsi 测试对 gotgt 项目的覆盖情况。

测试用例清单 (37个)

Inquiry 测试 (6个)

• ALL.Inquiry.Standard
• ALL.Inquiry.AllocLength
• ALL.Inquiry.MandatoryVPDSBC
• ALL.Inquiry.SupportedVPD
• ALL.Inquiry.VersionDescriptors
• ALL.Inquiry.EVPD

Read 测试 (4个)

• ALL.Read6, ALL.Read10, ALL.Read12, ALL.Read16

Write 测试 (6个)

• ALL.Write10, ALL.Write12, ALL.Write16
• ALL.WriteVerify10, ALL.WriteVerify12, ALL.WriteVerify16

Verify 测试 (3个)

• ALL.Verify10, ALL.Verify12, ALL.Verify16

Write Same 测试 (2个)

• ALL.WriteSame10.Simple, ALL.WriteSame16.Simple

Capacity 测试 (2个)

• ALL.ReadCapacity10, ALL.ReadCapacity16

iSCSI 协议测试 (2个)

• ALL.iSCSITMF (Task Management)
• ALL.iSCSIcmdsn (Command SN)

其他测试 (12个)

• ALL.Mandatory, ALL.ModeSense6, ALL.NoMedia
• ALL.Prefetch10/16, ALL.PreventAllow
• ALL.ReportSupportedOpcodes.Simple
• ALL.Reserve6.Simple, ALL.StartStopUnit
• ALL.TestUnitReady, ALL.ReadOnly
• ALL.Unmap.Simple/VPD/ZeroBlocks

覆盖率统计

模块	总命令数	已测试	覆盖率
iSCSI PDU	13	11	85%
SBC 命令	26	16	62%
SPC 命令	13	10	77%

未覆盖功能

SCSI 命令 (未测试)

• FORMAT_UNIT (0x04)
• WRITE_6 (0x0A)
• SYNCHRONIZE_CACHE_10/16
• COMPARE_AND_WRITE (0x89)
• ORWRITE_16 (0x8B)
• PERSISTENT_RESERVE_IN/OUT

iSCSI 功能 (未实现)

• SNACK PDU
• Async PDU
• 多连接 Session (MC/S)
• Error Recovery Level 1/2

估计整体覆盖率: 60%