mirror of
https://github.com/zrepl/zrepl.git
synced 2024-11-22 00:13:52 +01:00
307 lines
8.7 KiB
Go
307 lines
8.7 KiB
Go
package zfs
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import (
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"context"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// FIXME make this a platformtest
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func TestZFSListHandlesProducesZFSErrorOnNonZeroExit(t *testing.T) {
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t.SkipNow() // FIXME ZFS_BINARY does not work if tests run in parallel
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var err error
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ctx := context.Background()
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ZFS_BINARY = "./test_helpers/zfs_failer.sh"
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_, err = ZFSList(ctx, []string{"fictionalprop"}, "nonexistent/dataset")
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assert.Error(t, err)
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zfsError, ok := err.(*ZFSError)
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assert.True(t, ok)
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assert.Equal(t, "error: this is a mock\n", string(zfsError.Stderr))
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}
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func TestDatasetPathTrimNPrefixComps(t *testing.T) {
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p, err := NewDatasetPath("foo/bar/a/b")
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assert.Nil(t, err)
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p.TrimNPrefixComps(2)
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assert.True(t, p.Equal(toDatasetPath("a/b")))
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p.TrimNPrefixComps((2))
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assert.True(t, p.Empty())
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p.TrimNPrefixComps((1))
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assert.True(t, p.Empty(), "empty trimming shouldn't do harm")
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}
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func TestZFSPropertySource(t *testing.T) {
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tcs := []struct {
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in zfsPropertySource
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exp []string
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}{
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{
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in: sourceAny,
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// although empty prefix matches any source
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exp: []string{"local", "default", "inherited", "-", "temporary", "received", ""},
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},
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{
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in: sourceTemporary,
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exp: []string{"temporary"},
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},
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{
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in: sourceLocal | sourceInherited,
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exp: []string{"local", "inherited"},
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},
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}
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toSet := func(in []string) map[string]struct{} {
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m := make(map[string]struct{}, len(in))
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for _, s := range in {
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m[s] = struct{}{}
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}
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return m
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}
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for _, tc := range tcs {
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res := tc.in.zfsGetSourceFieldPrefixes()
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resSet := toSet(res)
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expSet := toSet(tc.exp)
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assert.Equal(t, expSet, resSet)
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}
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}
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func TestDrySendRegexesHaveSameCaptureGroupCount(t *testing.T) {
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assert.Equal(t, sendDryRunInfoLineRegexFull.NumSubexp(), sendDryRunInfoLineRegexIncremental.NumSubexp())
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}
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func TestDrySendInfo(t *testing.T) {
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// # full send
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// $ zfs send -Pnv -t 1-9baebea70-b8-789c636064000310a500c4ec50360710e72765a52697303030419460caa7a515a79680647ce0f26c48f2499525a9c5405ac3c90fabfe92fcf4d2cc140686b30972c7850efd0cd24092e704cbe725e6a632305415e5e797e803cd2ad14f743084b805001b201795
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fullSend := `
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resume token contents:
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nvlist version: 0
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object = 0x2
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offset = 0x4c0000
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bytes = 0x4e4228
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toguid = 0x52f9c212c71e60cd
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toname = zroot/test/a@1
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full zroot/test/a@1 5389768
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`
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// # incremental send with token
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// $ zfs send -nvP -t 1-ef01e717e-e0-789c636064000310a501c49c50360710a715e5e7a69766a63040c1d904b9e342877e062900d9ec48eaf293b252934b181898a0ea30e4d3d28a534b40323e70793624f9a4ca92d46220fdc1ce0fabfe927c882bc46c8a0a9f71ad3baf8124cf0996cf4bcc4d6560a82acacf2fd1079a55a29fe86004710b00d8ae1f93
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incSend := `
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resume token contents:
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nvlist version: 0
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fromguid = 0x52f9c212c71e60cd
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object = 0x2
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offset = 0x4c0000
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bytes = 0x4e3ef0
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toguid = 0xcfae0ae671723c16
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toname = zroot/test/a@2
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incremental zroot/test/a@1 zroot/test/a@2 5383936
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`
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// # incremental send with token + bookmark
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// $ zfs send -nvP -t 1-ef01e717e-e0-789c636064000310a501c49c50360710a715e5e7a69766a63040c1d904b9e342877e062900d9ec48eaf293b252934b181898a0ea30e4d3d28a534b40323e70793624f9a4ca92d46220fdc1ce0fabfe927c882bc46c8a0a9f71ad3baf8124cf0996cf4bcc4d6560a82acacf2fd1079a55a29fe86004710b00d8ae1f93
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incSendBookmark := `
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resume token contents:
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nvlist version: 0
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fromguid = 0x52f9c212c71e60cd
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object = 0x2
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offset = 0x4c0000
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bytes = 0x4e3ef0
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toguid = 0xcfae0ae671723c16
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toname = zroot/test/a@2
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incremental zroot/test/a#1 zroot/test/a@2 5383312
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`
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// incremental send without token
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// $ sudo zfs send -nvP -i @1 zroot/test/a@2
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incNoToken := `
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incremental 1 zroot/test/a@2 10511856
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size 10511856
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`
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// full send without token
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// $ sudo zfs send -nvP zroot/test/a@3
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fullNoToken := `
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full zroot/test/a@3 10518512
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size 10518512
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`
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// zero-length incremental send on ZoL 0.7.12
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// (it omits the size field as well as the size line if size is 0)
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// see https://github.com/zrepl/zrepl/issues/289
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// fixed in https://github.com/openzfs/zfs/commit/835db58592d7d947e5818eb7281882e2a46073e0#diff-66bd524398bcd2ac70d90925ab6d8073L1245
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incZeroSized_0_7_12 := `
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incremental p1 with/ spaces d1@1 with space p1 with/ spaces d1@2 with space
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`
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fullZeroSized_0_7_12 := `
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full p1 with/ spaces d1@2 with space
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`
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fullWithSpaces := "\nfull\tpool1/otherjob/ds with spaces@blaffoo\t12912\nsize\t12912\n"
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fullWithSpacesInIntermediateComponent := "\nfull\tpool1/otherjob/another ds with spaces/childfs@blaffoo\t12912\nsize\t12912\n"
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incrementalWithSpaces := "\nincremental\tblaffoo\tpool1/otherjob/another ds with spaces@blaffoo2\t624\nsize\t624\n"
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incrementalWithSpacesInIntermediateComponent := "\nincremental\tblaffoo\tpool1/otherjob/another ds with spaces/childfs@blaffoo2\t624\nsize\t624\n"
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type tc struct {
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name string
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in string
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exp *DrySendInfo
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expErr bool
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}
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tcs := []tc{
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{
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name: "fullSend", in: fullSend,
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exp: &DrySendInfo{
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Type: DrySendTypeFull,
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Filesystem: "zroot/test/a",
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From: "",
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To: "zroot/test/a@1",
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SizeEstimate: 5389768,
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},
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},
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{
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name: "incSend", in: incSend,
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exp: &DrySendInfo{
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Type: DrySendTypeIncremental,
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Filesystem: "zroot/test/a",
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From: "zroot/test/a@1",
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To: "zroot/test/a@2",
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SizeEstimate: 5383936,
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},
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},
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{
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name: "incSendBookmark", in: incSendBookmark,
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exp: &DrySendInfo{
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Type: DrySendTypeIncremental,
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Filesystem: "zroot/test/a",
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From: "zroot/test/a#1",
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To: "zroot/test/a@2",
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SizeEstimate: 5383312,
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},
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},
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{
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name: "incNoToken", in: incNoToken,
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exp: &DrySendInfo{
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Type: DrySendTypeIncremental,
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Filesystem: "zroot/test/a",
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// as can be seen in the string incNoToken,
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// we cannot infer whether the incremental source is a snapshot or bookmark
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From: "1", // yes, this is actually correct on ZoL 0.7.11
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To: "zroot/test/a@2",
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SizeEstimate: 10511856,
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},
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},
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{
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name: "fullNoToken", in: fullNoToken,
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exp: &DrySendInfo{
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Type: DrySendTypeFull,
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Filesystem: "zroot/test/a",
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From: "",
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To: "zroot/test/a@3",
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SizeEstimate: 10518512,
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},
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},
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{
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name: "fullWithSpaces", in: fullWithSpaces,
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exp: &DrySendInfo{
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Type: DrySendTypeFull,
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Filesystem: "pool1/otherjob/ds with spaces",
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From: "",
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To: "pool1/otherjob/ds with spaces@blaffoo",
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SizeEstimate: 12912,
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},
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},
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{
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name: "fullWithSpacesInIntermediateComponent", in: fullWithSpacesInIntermediateComponent,
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exp: &DrySendInfo{
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Type: DrySendTypeFull,
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Filesystem: "pool1/otherjob/another ds with spaces/childfs",
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From: "",
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To: "pool1/otherjob/another ds with spaces/childfs@blaffoo",
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SizeEstimate: 12912,
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},
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},
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{
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name: "incrementalWithSpaces", in: incrementalWithSpaces,
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exp: &DrySendInfo{
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Type: DrySendTypeIncremental,
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Filesystem: "pool1/otherjob/another ds with spaces",
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From: "blaffoo",
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To: "pool1/otherjob/another ds with spaces@blaffoo2",
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SizeEstimate: 624,
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},
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},
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{
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name: "incrementalWithSpacesInIntermediateComponent", in: incrementalWithSpacesInIntermediateComponent,
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exp: &DrySendInfo{
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Type: DrySendTypeIncremental,
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Filesystem: "pool1/otherjob/another ds with spaces/childfs",
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From: "blaffoo",
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To: "pool1/otherjob/another ds with spaces/childfs@blaffoo2",
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SizeEstimate: 624,
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},
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},
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{
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name: "incrementalZeroSizedOpenZFS_pre0.7.12", in: incZeroSized_0_7_12,
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exp: &DrySendInfo{
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Type: DrySendTypeIncremental,
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Filesystem: "p1 with/ spaces d1",
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From: "p1 with/ spaces d1@1 with space",
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To: "p1 with/ spaces d1@2 with space",
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SizeEstimate: 0,
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},
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},
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{
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name: "fullZeroSizedOpenZFS_pre0.7.12", in: fullZeroSized_0_7_12,
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exp: &DrySendInfo{
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Type: DrySendTypeFull,
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Filesystem: "p1 with/ spaces d1",
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To: "p1 with/ spaces d1@2 with space",
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SizeEstimate: 0,
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},
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},
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}
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for _, tc := range tcs {
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t.Run(tc.name, func(t *testing.T) {
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in := tc.in[1:] // strip first newline
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var si DrySendInfo
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err := si.unmarshalZFSOutput([]byte(in))
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t.Logf("%#v", &si)
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t.Logf("err=%T %s", err, err)
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if tc.expErr {
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assert.Error(t, err)
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}
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if tc.exp != nil {
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assert.Equal(t, tc.exp, &si)
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}
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})
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}
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}
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func TestTryRecvDestroyOrOverwriteEncryptedErr(t *testing.T) {
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msg := "cannot receive new filesystem stream: zfs receive -F cannot be used to destroy an encrypted filesystem or overwrite an unencrypted one with an encrypted one\n"
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assert.GreaterOrEqual(t, RecvStderrBufSiz, len(msg))
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err := tryRecvDestroyOrOverwriteEncryptedErr([]byte(msg))
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require.NotNil(t, err)
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assert.EqualError(t, err, strings.TrimSpace(msg))
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}
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