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container/stub: export stub helpers
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Browse Source 
These are very useful in many packages containing relatively large amount of code making calls to difficult or impossible to stub functions.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2025-08-31 23:11:25 +09:00
parent b489a3bba1
commit 49600a6f46
23 changed files with 3808 additions and 3247 deletions
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132
container/initbind_test.go
View File

@@ -5,6 +5,8 @@ import (
"os"
"syscall"
"testing"
"hakurei.app/container/stub"
)
func TestBindMountOp(t *testing.T) {
@@ -12,132 +14,132 @@ func TestBindMountOp(t *testing.T) {
{"ENOENT not optional", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/bin/"),
}, []kexpect{
{"evalSymlinks", expectArgs{"/bin/"}, "", syscall.ENOENT},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/bin/"}, "", syscall.ENOENT},
}, syscall.ENOENT, nil, nil},
{"skip optional", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/bin/"),
Flags: BindOptional,
}, []kexpect{
{"evalSymlinks", expectArgs{"/bin/"}, "", syscall.ENOENT},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/bin/"}, "", syscall.ENOENT},
}, nil, nil, nil},
{"success optional", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/bin/"),
Flags: BindOptional,
}, []kexpect{
{"evalSymlinks", expectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []kexpect{
{"stat", expectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", expectArgs{"/sysroot/bin", os.FileMode(0700)}, nil, nil},
{"bindMount", expectArgs{"/host/usr/bin", "/sysroot/bin", uintptr(0x4005), false}, nil, nil},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []stub.Call{
{"stat", stub.ExpectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", stub.ExpectArgs{"/sysroot/bin", os.FileMode(0700)}, nil, nil},
{"bindMount", stub.ExpectArgs{"/host/usr/bin", "/sysroot/bin", uintptr(0x4005), false}, nil, nil},
}, nil},
{"ensureFile device", new(Params), &BindMountOp{
Source: MustAbs("/dev/null"),
Target: MustAbs("/dev/null"),
Flags: BindWritable | BindDevice,
}, []kexpect{
{"evalSymlinks", expectArgs{"/dev/null"}, "/dev/null", nil},
}, nil, []kexpect{
{"stat", expectArgs{"/host/dev/null"}, isDirFi(false), nil},
{"ensureFile", expectArgs{"/sysroot/dev/null", os.FileMode(0444), os.FileMode(0700)}, nil, errUnique},
}, errUnique},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/dev/null"}, "/dev/null", nil},
}, nil, []stub.Call{
{"stat", stub.ExpectArgs{"/host/dev/null"}, isDirFi(false), nil},
{"ensureFile", stub.ExpectArgs{"/sysroot/dev/null", os.FileMode(0444), os.FileMode(0700)}, nil, stub.UniqueError(5)},
}, stub.UniqueError(5)},
{"mkdirAll ensure", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/bin/"),
Flags: BindEnsure,
}, []kexpect{
{"mkdirAll", expectArgs{"/bin/", os.FileMode(0700)}, nil, errUnique},
}, errUnique, nil, nil},
}, []stub.Call{
{"mkdirAll", stub.ExpectArgs{"/bin/", os.FileMode(0700)}, nil, stub.UniqueError(4)},
}, stub.UniqueError(4), nil, nil},
{"success ensure", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/usr/bin/"),
Flags: BindEnsure,
}, []kexpect{
{"mkdirAll", expectArgs{"/bin/", os.FileMode(0700)}, nil, nil},
{"evalSymlinks", expectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []kexpect{
{"stat", expectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", expectArgs{"/sysroot/usr/bin", os.FileMode(0700)}, nil, nil},
{"bindMount", expectArgs{"/host/usr/bin", "/sysroot/usr/bin", uintptr(0x4005), false}, nil, nil},
}, []stub.Call{
{"mkdirAll", stub.ExpectArgs{"/bin/", os.FileMode(0700)}, nil, nil},
{"evalSymlinks", stub.ExpectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []stub.Call{
{"stat", stub.ExpectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", stub.ExpectArgs{"/sysroot/usr/bin", os.FileMode(0700)}, nil, nil},
{"bindMount", stub.ExpectArgs{"/host/usr/bin", "/sysroot/usr/bin", uintptr(0x4005), false}, nil, nil},
}, nil},
{"success device ro", new(Params), &BindMountOp{
Source: MustAbs("/dev/null"),
Target: MustAbs("/dev/null"),
Flags: BindDevice,
}, []kexpect{
{"evalSymlinks", expectArgs{"/dev/null"}, "/dev/null", nil},
}, nil, []kexpect{
{"stat", expectArgs{"/host/dev/null"}, isDirFi(false), nil},
{"ensureFile", expectArgs{"/sysroot/dev/null", os.FileMode(0444), os.FileMode(0700)}, nil, nil},
{"bindMount", expectArgs{"/host/dev/null", "/sysroot/dev/null", uintptr(0x4001), false}, nil, nil},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/dev/null"}, "/dev/null", nil},
}, nil, []stub.Call{
{"stat", stub.ExpectArgs{"/host/dev/null"}, isDirFi(false), nil},
{"ensureFile", stub.ExpectArgs{"/sysroot/dev/null", os.FileMode(0444), os.FileMode(0700)}, nil, nil},
{"bindMount", stub.ExpectArgs{"/host/dev/null", "/sysroot/dev/null", uintptr(0x4001), false}, nil, nil},
}, nil},
{"success device", new(Params), &BindMountOp{
Source: MustAbs("/dev/null"),
Target: MustAbs("/dev/null"),
Flags: BindWritable | BindDevice,
}, []kexpect{
{"evalSymlinks", expectArgs{"/dev/null"}, "/dev/null", nil},
}, nil, []kexpect{
{"stat", expectArgs{"/host/dev/null"}, isDirFi(false), nil},
{"ensureFile", expectArgs{"/sysroot/dev/null", os.FileMode(0444), os.FileMode(0700)}, nil, nil},
{"bindMount", expectArgs{"/host/dev/null", "/sysroot/dev/null", uintptr(0x4000), false}, nil, nil},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/dev/null"}, "/dev/null", nil},
}, nil, []stub.Call{
{"stat", stub.ExpectArgs{"/host/dev/null"}, isDirFi(false), nil},
{"ensureFile", stub.ExpectArgs{"/sysroot/dev/null", os.FileMode(0444), os.FileMode(0700)}, nil, nil},
{"bindMount", stub.ExpectArgs{"/host/dev/null", "/sysroot/dev/null", uintptr(0x4000), false}, nil, nil},
}, nil},
{"evalSymlinks", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/bin/"),
}, []kexpect{
{"evalSymlinks", expectArgs{"/bin/"}, "/usr/bin", errUnique},
}, errUnique, nil, nil},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/bin/"}, "/usr/bin", stub.UniqueError(3)},
}, stub.UniqueError(3), nil, nil},
{"stat", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/bin/"),
}, []kexpect{
{"evalSymlinks", expectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []kexpect{
{"stat", expectArgs{"/host/usr/bin"}, isDirFi(true), errUnique},
}, errUnique},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []stub.Call{
{"stat", stub.ExpectArgs{"/host/usr/bin"}, isDirFi(true), stub.UniqueError(2)},
}, stub.UniqueError(2)},
{"mkdirAll", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/bin/"),
}, []kexpect{
{"evalSymlinks", expectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []kexpect{
{"stat", expectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", expectArgs{"/sysroot/bin", os.FileMode(0700)}, nil, errUnique},
}, errUnique},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []stub.Call{
{"stat", stub.ExpectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", stub.ExpectArgs{"/sysroot/bin", os.FileMode(0700)}, nil, stub.UniqueError(1)},
}, stub.UniqueError(1)},
{"bindMount", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/bin/"),
}, []kexpect{
{"evalSymlinks", expectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []kexpect{
{"stat", expectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", expectArgs{"/sysroot/bin", os.FileMode(0700)}, nil, nil},
{"bindMount", expectArgs{"/host/usr/bin", "/sysroot/bin", uintptr(0x4005), false}, nil, errUnique},
}, errUnique},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []stub.Call{
{"stat", stub.ExpectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", stub.ExpectArgs{"/sysroot/bin", os.FileMode(0700)}, nil, nil},
{"bindMount", stub.ExpectArgs{"/host/usr/bin", "/sysroot/bin", uintptr(0x4005), false}, nil, stub.UniqueError(0)},
}, stub.UniqueError(0)},
{"success", new(Params), &BindMountOp{
Source: MustAbs("/bin/"),
Target: MustAbs("/bin/"),
}, []kexpect{
{"evalSymlinks", expectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []kexpect{
{"stat", expectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", expectArgs{"/sysroot/bin", os.FileMode(0700)}, nil, nil},
{"bindMount", expectArgs{"/host/usr/bin", "/sysroot/bin", uintptr(0x4005), false}, nil, nil},
}, []stub.Call{
{"evalSymlinks", stub.ExpectArgs{"/bin/"}, "/usr/bin", nil},
}, nil, []stub.Call{
{"stat", stub.ExpectArgs{"/host/usr/bin"}, isDirFi(true), nil},
{"mkdirAll", stub.ExpectArgs{"/sysroot/bin", os.FileMode(0700)}, nil, nil},
{"bindMount", stub.ExpectArgs{"/host/usr/bin", "/sysroot/bin", uintptr(0x4005), false}, nil, nil},
}, nil},
})