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128 lines
2.6 KiB
Go
128 lines
2.6 KiB
Go
package pruning
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import (
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"testing"
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"time"
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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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type stubSnap struct {
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name string
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replicated bool
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date time.Time
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}
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func (s stubSnap) Name() string { return s.name }
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func (s stubSnap) Replicated() bool { return s.replicated }
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func (s stubSnap) Date() time.Time { return s.date }
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type testCase struct {
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inputs []Snapshot
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rules []KeepRule
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expDestroy map[string]bool
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}
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type snapshotList []Snapshot
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func (l snapshotList) ContainsName(n string) bool {
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for _, s := range l {
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if s.Name() == n {
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return true
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}
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}
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return false
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}
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func (l snapshotList) NameList() []string {
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res := make([]string, len(l))
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for i, s := range l {
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res[i] = s.Name()
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}
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return res
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}
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func testTable(tcs map[string]testCase, t *testing.T) {
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for name := range tcs {
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t.Run(name, func(t *testing.T) {
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tc := tcs[name]
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destroyList := PruneSnapshots(tc.inputs, tc.rules)
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destroySet := make(map[string]bool, len(destroyList))
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for _, s := range destroyList {
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destroySet[s.Name()] = true
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}
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t.Logf("destroySet:\n%#v", destroySet)
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t.Logf("expected:\n%#v", tc.expDestroy)
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require.Equal(t, len(tc.expDestroy), len(destroySet))
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for name := range destroySet {
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assert.True(t, tc.expDestroy[name], "%q", name)
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}
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})
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}
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}
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func TestPruneSnapshots(t *testing.T) {
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inputs := map[string][]Snapshot{
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"s1": []Snapshot{
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stubSnap{name: "foo_123"},
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stubSnap{name: "foo_456"},
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stubSnap{name: "bar_123"},
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},
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}
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tcs := map[string]testCase{
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"simple": {
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inputs: inputs["s1"],
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rules: []KeepRule{
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MustKeepRegex("foo_", false),
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},
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expDestroy: map[string]bool{
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"bar_123": true,
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},
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},
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"multipleRules": {
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inputs: inputs["s1"],
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rules: []KeepRule{
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MustKeepRegex("foo_", false),
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MustKeepRegex("bar_", false),
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},
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expDestroy: map[string]bool{},
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},
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"onlyThoseRemovedByAllAreRemoved": {
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inputs: inputs["s1"],
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rules: []KeepRule{
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MustKeepRegex("notInS1", false), // would remove all
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MustKeepRegex("bar_", false), // would remove all but bar_, i.e. foo_.*
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},
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expDestroy: map[string]bool{
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"foo_123": true,
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"foo_456": true,
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},
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},
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"noRulesKeepsAll": {
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inputs: inputs["s1"],
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rules: []KeepRule{},
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expDestroy: map[string]bool{},
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},
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"nilRulesKeepsAll": {
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inputs: inputs["s1"],
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rules: nil,
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expDestroy: map[string]bool{},
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},
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"noSnaps": {
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inputs: []Snapshot{},
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rules: []KeepRule{
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MustKeepRegex("foo_", false),
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},
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expDestroy: map[string]bool{},
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},
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}
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testTable(tcs, t)
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}
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