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|
package system
import (
"reflect"
"slices"
"strings"
"syscall"
"testing"
)
func TestLinePrefixWriter(t *testing.T) {
testCases := []struct {
name string
prefix string
f func(w func(s string))
wantErr []error
wantPt []string
want []string
wantExt []string
wantBuf string
}{
{"nop", "(nop) ", func(func(string)) {}, nil, nil, nil, nil, ""},
{"partial", "(break) ", func(w func(string)) {
w("C-65533: -> ")
}, nil, nil, nil, nil,
"C-65533: -> "},
{"break", "(break) ", func(w func(string)) {
w("C-65533: -> ")
w("org.freedesktop.DBus fake ListNames\n")
}, nil, nil, []string{
"C-65533: -> org.freedesktop.DBus fake ListNames",
}, nil, ""},
{"break pt", "(break pt) ", func(w func(string)) {
w("init: ")
w("received setup parameters\n")
}, nil, []string{
"init: received setup parameters",
}, nil, nil, ""},
{"threshold", "(threshold) ", func(w func(s string)) {
w(string(make([]byte, lpwSizeThreshold)))
w("\n")
}, []error{nil, syscall.ENOMEM}, nil, nil, nil,
string(make([]byte, lpwSizeThreshold))},
{"threshold multi", "(threshold multi) ", func(w func(s string)) {
w(":3\n")
w(string(make([]byte, lpwSizeThreshold-3)))
w("\n")
}, []error{nil, nil, syscall.ENOMEM}, nil, []string{
":3",
}, nil, string(make([]byte, lpwSizeThreshold-3))},
{"threshold multi partial", "(threshold multi partial) ", func(w func(s string)) {
w(":3\n")
w(string(make([]byte, lpwSizeThreshold-2)))
}, []error{nil, syscall.ENOMEM}, nil, []string{
":3",
}, []string{
"dropped 16777215 bytes of output",
}, string(make([]byte, lpwSizeThreshold-2))},
{"threshold exact", "(threshold exact) ", func(w func(s string)) {
w(string(make([]byte, lpwSizeThreshold-1)))
w("\n")
}, nil, nil, []string{
string(make([]byte, lpwSizeThreshold-1)),
}, nil, ""},
{"sample", "(dbus) ", func(w func(s string)) {
w("init: received setup parameters\n")
w(`init: mounting "/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" flags 0x0` + "\n")
w(`init: resolved "/host/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" on "/sysroot/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" flags 0x4005` + "\n")
w(`init: mounting "/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" flags 0x0` + "\n")
w(`init: resolved "/host/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" on "/sysroot/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" flags 0x4005` + "\n")
w(`init: mounting "/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" flags 0x0` + "\n")
w(`init: resolved "/host/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" on "/sysroot/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" flags 0x4005` + "\n")
w(`init: mounting "/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" flags 0x0` + "\n")
w(`init: resolved "/host/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" on "/sysroot/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" flags 0x4005` + "\n")
w(`init: mounting "/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" flags 0x0` + "\n")
w(`init: resolved "/host/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" on "/sysroot/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" flags 0x4005` + "\n")
w(`init: mounting "/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" flags 0x0` + "\n")
w(`init: resolved "/host/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" on "/sysroot/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" flags 0x4005` + "\n")
w(`init: mounting "/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" flags 0x0` + "\n")
w(`init: resolved "/host/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" on "/sysroot/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" flags 0x4005` + "\n")
w(`init: mounting "/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib64" flags 0x0` + "\n")
w(`init: resolved "/host/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" on "/sysroot/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib64" flags 0x4005` + "\n")
w(`init: mounting "/run/user/1000" flags 0x0` + "\n")
w(`init: resolved "/host/run/user/1000" on "/sysroot/run/user/1000" flags 0x4005` + "\n")
w(`init: mounting "/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" flags 0x2` + "\n")
w(`init: resolved "/host/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" on "/sysroot/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" flags 0x4004` + "\n")
w(`init: mounting "/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" flags 0x0` + "\n")
w(`init: resolved "/host/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" on "/sysroot/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" flags 0x4005` + "\n")
w("init: resolving presets 0xf\n")
w("init: 68 filter rules loaded\n")
w("init: starting initial program /nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin/xdg-dbus-proxy\n")
w("C1: -> org.freedesktop.DBus call org.freedesktop.DBus.Hello at /org/freedesktop/DBus\n")
w("C-65536: -> org.freedesktop.DBus fake wildcarded AddMatch for org.freedesktop.portal\n")
w("C-65535: -> org.freedesktop.DBus fake AddMatch for org.freedesktop.Notifications\n")
w("C-65534: -> org.freedesktop.DBus fake GetNameOwner for org.freedesktop.Notifications\n")
w("C-65533: -> org.freedesktop.DBus fake ListNames\n")
w("B1: <- org.freedesktop.DBus return from C1\n")
w("B2: <- org.freedesktop.DBus signal org.freedesktop.DBus.NameAcquired at /org/freedesktop/DBus\n")
w("B3: <- org.freedesktop.DBus return from C-65536\n")
w("*SKIPPED*\n")
w("B4: <- org.freedesktop.DBus return from C-65535\n")
w("*SKIPPED*\n")
w("B5: <- org.freedesktop.DBus return error org.freedesktop.DBus.Error.NameHasNoOwner from C-65534\n")
w("*SKIPPED*\n")
w("B6: <- org.freedesktop.DBus return from C-65533\n")
w("C-65532: -> org.freedesktop.DBus fake GetNameOwner for org.freedesktop.DBus\n")
w("*SKIPPED*\n")
w("B7: <- org.freedesktop.DBus return from C-65532\n")
w("*SKIPPED*\n")
w("C2: -> org.freedesktop.DBus call org.freedesktop.DBus.AddMatch at /org/freedesktop/DBus\n")
w("C3: -> org.freedesktop.DBus call org.freedesktop.DBus.GetNameOwner at /org/freedesktop/DBus\n")
w("C4: -> org.freedesktop.DBus call org.freedesktop.DBus.AddMatch at /org/freedesktop/DBus\n")
w("C5: -> org.freedesktop.DBus call org.freedesktop.DBus.StartServiceByName at /org/freedesktop/DBus\n")
w("B8: <- org.freedesktop.DBus return from C2\n")
w("B9: <- org.freedesktop.DBus return error org.freedesktop.DBus.Error.NameHasNoOwner from C3\n")
w("B10: <- org.freedesktop.DBus return from C4\n")
w("B12: <- org.freedesktop.DBus signal org.freedesktop.DBus.NameOwnerChanged at /org/freedesktop/DBus\n")
w("B11: <- org.freedesktop.DBus return from C5\n")
w("C6: -> org.freedesktop.DBus call org.freedesktop.DBus.GetNameOwner at /org/freedesktop/DBus\n")
w("B13: <- org.freedesktop.DBus return from C6\n")
w("C7: -> :1.4 call org.freedesktop.Notifications.GetServerInformation at /org/freedesktop/Notifications\n")
w("B4: <- :1.4 return from C7\n")
w("C8: -> :1.4 call org.freedesktop.Notifications.GetServerInformation at /org/freedesktop/Notifications\n")
w("B5: <- :1.4 return from C8\n")
w("C9: -> :1.4 call org.freedesktop.Notifications.Notify at /org/freedesktop/Notifications\n")
w("B6: <- :1.4 return from C9\n")
w("C10: -> org.freedesktop.DBus call org.freedesktop.DBus.RemoveMatch at /org/freedesktop/DBus\n")
w("C11: -> org.freedesktop.DBus call org.freedesktop.DBus.RemoveMatch at /org/freedesktop/DBus\n")
w("B14: <- org.freedesktop.DBus return from C10\n")
w("B15: <- org.freedesktop.DBus return from C11\n")
w("init: initial process exited with code 0\n")
}, nil, []string{
"init: received setup parameters",
`init: mounting "/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" flags 0x0`,
`init: resolved "/host/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" on "/sysroot/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" flags 0x4005`,
`init: mounting "/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" flags 0x0`,
`init: resolved "/host/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" on "/sysroot/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" flags 0x4005`,
`init: mounting "/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" flags 0x0`,
`init: resolved "/host/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" on "/sysroot/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" flags 0x4005`,
`init: mounting "/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" flags 0x0`,
`init: resolved "/host/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" on "/sysroot/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" flags 0x4005`,
`init: mounting "/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" flags 0x0`,
`init: resolved "/host/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" on "/sysroot/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" flags 0x4005`,
`init: mounting "/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" flags 0x0`,
`init: resolved "/host/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" on "/sysroot/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" flags 0x4005`,
`init: mounting "/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" flags 0x0`,
`init: resolved "/host/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" on "/sysroot/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" flags 0x4005`,
`init: mounting "/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib64" flags 0x0`,
`init: resolved "/host/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" on "/sysroot/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib64" flags 0x4005`,
`init: mounting "/run/user/1000" flags 0x0`,
`init: resolved "/host/run/user/1000" on "/sysroot/run/user/1000" flags 0x4005`,
`init: mounting "/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" flags 0x2`,
`init: resolved "/host/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" on "/sysroot/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" flags 0x4004`,
`init: mounting "/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" flags 0x0`,
`init: resolved "/host/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" on "/sysroot/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" flags 0x4005`,
"init: resolving presets 0xf",
"init: 68 filter rules loaded",
"init: starting initial program /nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin/xdg-dbus-proxy",
"init: initial process exited with code 0",
}, []string{
"C1: -> org.freedesktop.DBus call org.freedesktop.DBus.Hello at /org/freedesktop/DBus",
"C-65536: -> org.freedesktop.DBus fake wildcarded AddMatch for org.freedesktop.portal",
"C-65535: -> org.freedesktop.DBus fake AddMatch for org.freedesktop.Notifications",
"C-65534: -> org.freedesktop.DBus fake GetNameOwner for org.freedesktop.Notifications",
"C-65533: -> org.freedesktop.DBus fake ListNames",
"B1: <- org.freedesktop.DBus return from C1",
"B2: <- org.freedesktop.DBus signal org.freedesktop.DBus.NameAcquired at /org/freedesktop/DBus",
"B3: <- org.freedesktop.DBus return from C-65536",
"*SKIPPED*",
"B4: <- org.freedesktop.DBus return from C-65535",
"*SKIPPED*",
"B5: <- org.freedesktop.DBus return error org.freedesktop.DBus.Error.NameHasNoOwner from C-65534",
"*SKIPPED*",
"B6: <- org.freedesktop.DBus return from C-65533",
"C-65532: -> org.freedesktop.DBus fake GetNameOwner for org.freedesktop.DBus",
"*SKIPPED*",
"B7: <- org.freedesktop.DBus return from C-65532",
"*SKIPPED*",
"C2: -> org.freedesktop.DBus call org.freedesktop.DBus.AddMatch at /org/freedesktop/DBus",
"C3: -> org.freedesktop.DBus call org.freedesktop.DBus.GetNameOwner at /org/freedesktop/DBus",
"C4: -> org.freedesktop.DBus call org.freedesktop.DBus.AddMatch at /org/freedesktop/DBus",
"C5: -> org.freedesktop.DBus call org.freedesktop.DBus.StartServiceByName at /org/freedesktop/DBus",
"B8: <- org.freedesktop.DBus return from C2",
"B9: <- org.freedesktop.DBus return error org.freedesktop.DBus.Error.NameHasNoOwner from C3",
"B10: <- org.freedesktop.DBus return from C4",
"B12: <- org.freedesktop.DBus signal org.freedesktop.DBus.NameOwnerChanged at /org/freedesktop/DBus",
"B11: <- org.freedesktop.DBus return from C5",
"C6: -> org.freedesktop.DBus call org.freedesktop.DBus.GetNameOwner at /org/freedesktop/DBus",
"B13: <- org.freedesktop.DBus return from C6",
"C7: -> :1.4 call org.freedesktop.Notifications.GetServerInformation at /org/freedesktop/Notifications",
"B4: <- :1.4 return from C7",
"C8: -> :1.4 call org.freedesktop.Notifications.GetServerInformation at /org/freedesktop/Notifications",
"B5: <- :1.4 return from C8",
"C9: -> :1.4 call org.freedesktop.Notifications.Notify at /org/freedesktop/Notifications",
"B6: <- :1.4 return from C9",
"C10: -> org.freedesktop.DBus call org.freedesktop.DBus.RemoveMatch at /org/freedesktop/DBus",
"C11: -> org.freedesktop.DBus call org.freedesktop.DBus.RemoveMatch at /org/freedesktop/DBus",
"B14: <- org.freedesktop.DBus return from C10",
"B15: <- org.freedesktop.DBus return from C11",
}, nil, ""},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
gotPt := make([]string, 0, len(tc.wantPt))
out := &linePrefixWriter{
prefix: tc.prefix,
println: func(v ...any) {
if len(v) != 1 {
t.Fatalf("invalid call to println: %#v", v)
}
gotPt = append(gotPt, v[0].(string))
},
buf: new(strings.Builder),
}
var pos int
tc.f(func(s string) {
if _, err := out.Write([]byte(s)); err != nil {
if tc.wantErr != nil {
if !reflect.DeepEqual(err, tc.wantErr[pos]) {
t.Fatalf("Write: error = %v, want %v", err, tc.wantErr[pos])
}
} else {
t.Fatalf("Write: unexpected error: %v", err)
return
}
}
pos++
})
if !slices.Equal(out.msg, tc.want) {
t.Errorf("msg: %#v, want %#v", out.msg, tc.want)
}
if out.buf.String() != tc.wantBuf {
t.Errorf("buf: %q, want %q", out.buf, tc.wantBuf)
}
wantPt := make([]string, len(tc.wantPt))
for i, m := range tc.wantPt {
wantPt[i] = tc.prefix + m
}
if !slices.Equal(gotPt, wantPt) {
t.Errorf("passthrough: %#v, want %#v", gotPt, wantPt)
}
wantDump := make([]string, len(tc.want)+len(tc.wantExt))
for i, m := range tc.want {
wantDump[i] = tc.prefix + m
}
for i, m := range tc.wantExt {
wantDump[len(tc.want)+i] = tc.prefix + m
}
t.Run("dump", func(t *testing.T) {
got := make([]string, 0, len(wantDump))
out.println = func(v ...any) {
if len(v) != 1 {
t.Fatalf("Dump: invalid call to println: %#v", v)
}
got = append(got, v[0].(string))
}
out.Dump()
if !slices.Equal(got, wantDump) {
t.Errorf("Dump: %#v, want %#v", got, wantDump)
}
})
})
}
}
|
