root / trunk / Pithos.Core.Test / SnapshotDifferencerTest.cs @ 99e6329f
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// ----------------------------------------------------------------------- |
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// <copyright file="TestDifferencer.cs" company="Microsoft"> |
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// TODO: Update copyright text. |
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// </copyright> |
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// ----------------------------------------------------------------------- |
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|
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using System.Collections; |
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using NUnit.Framework; |
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using Pithos.Interfaces; |
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using Pithos.Network; |
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namespace Pithos.Core.Test |
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{
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using Pithos.Core.Agents; |
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|
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[TestFixture] |
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public class SnapshotDifferencerTest |
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{
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private ObjectInfo[] _previous; |
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private ObjectInfo[] _current; |
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IEqualityComparer<ObjectInfo> _comparer = new ObjectInfoComparer(); |
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[SetUp] |
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public void Setup() |
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{
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_previous = new []{
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name3",Bytes=123,Hash="aa3",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name4",Bytes=123,Hash="aa4",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Folder1/Name1",Bytes=123,Hash="aa4",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont1",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont1",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name3",Bytes=123,Hash="aa3",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name4",Bytes=123,Hash="aa4",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont2",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont2",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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}; |
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_current = new []{
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name3",Bytes=123,Hash="aa3",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name4",Bytes=1234,Hash="aa45",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name5",Bytes=123,Hash="aa5",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Folder1/Name1",Bytes=123,Hash="aa4",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont1",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont1",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name3",Bytes=123,Hash="aa3",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name4",Bytes=1234,Hash="aa45",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name5",Bytes=123,Hash="aa5",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont2",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont2",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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}; |
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} |
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[Test] |
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public void when_adding_a_snapshot_for_the_first_time() |
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{
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var d1 = new SnapshotDifferencer(); |
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var differencer=d1.Post(_previous); |
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Assert.That(differencer.Deleted,Is.Empty); |
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Assert.That(differencer.Created,Is.EquivalentTo(_previous)); |
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Assert.That(differencer.Changed,Is.Empty); |
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Assert.That(differencer.Unchanged,Is.Empty); |
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} |
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[Test] |
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public void when_adding_a_second_snapshot_with_a_deletion() |
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{
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var d1 = new SnapshotDifferencer(); |
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var differencer=d1.Post(_previous).Post(_current); |
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var deleted=new[] |
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{
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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}; |
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Assert.That(differencer.Deleted.ToList(),Is.EquivalentTo(deleted) |
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.Using((IEqualityComparer) new ObjectInfoComparer())); |
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} |
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[Test] |
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public void when_adding_a_second_snapshot_with_an_addition() |
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{
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var d1 = new SnapshotDifferencer(); |
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var differencer=d1.Post(_previous).Post(_current); |
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var created = new[] |
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{
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new ObjectInfo { Account = "acc1", Container = "Cont1", Name = "Name5", Bytes = 123, Hash = "aa5", Version = 1 },
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new ObjectInfo { Account = "acc1", Container = "Cont2", Name = "Name5", Bytes = 123, Hash = "aa5", Version = 1 },
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}; |
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Assert.That(differencer.Created.ToList(), Is.EquivalentTo(created) |
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.Using((IEqualityComparer)new ObjectInfoComparer())); |
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} |
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[Test] |
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public void when_adding_a_second_snapshot_with_a_change() |
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{
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var d1 = new SnapshotDifferencer(); |
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var differencer=d1.Post(_previous).Post(_current); |
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var changed = new[] {
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new ObjectInfo { Account = "acc1", Container = "Cont1", Name = "Name4", Bytes = 1234, Hash = "aa45", Version = 1 },
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new ObjectInfo { Account = "acc1", Container = "Cont2", Name = "Name4", Bytes = 1234, Hash = "aa45", Version = 1 },
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}; |
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Assert.That(differencer.Changed.ToList(), Is.EquivalentTo(changed) |
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.Using((IEqualityComparer)new ObjectInfoComparer())); |
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} |
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[Test] |
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public void when_adding_a_second_snapshot_with_unchanged() |
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{
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var d1 = new SnapshotDifferencer(); |
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var differencer=d1.Post(_previous).Post(_current); |
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var unchanged = new[] |
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{
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name3",Bytes=123,Hash="aa3",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont1",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont1",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Folder1/Name1",Bytes=123,Hash="aa4",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name3",Bytes=123,Hash="aa3",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont2",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont2",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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}; |
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Assert.That(differencer.Unchanged.ToList(), Is.EquivalentTo(unchanged) |
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.Using((IEqualityComparer)new ObjectInfoComparer())); |
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} |
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[Test] |
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public void when_adding_a_null_first_snapshot() |
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{
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var d1 = new SnapshotDifferencer(); |
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var differencer=d1.Post(null); |
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Assert.That(differencer.Deleted, Is.Empty); |
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Assert.That(differencer.Created, Is.Empty); |
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Assert.That(differencer.Changed, Is.Empty); |
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Assert.That(differencer.Unchanged, Is.Empty); |
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} |
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[Test] |
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public void when_adding_a_null_second_snapshot() |
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{
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var d1 = new SnapshotDifferencer(); |
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var differencer=d1.Post(_previous).Post(null); |
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Assert.That(differencer.Deleted, Is.EquivalentTo(_previous)); |
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Assert.That(differencer.Created, Is.Empty); |
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Assert.That(differencer.Changed, Is.Empty); |
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Assert.That(differencer.Unchanged, Is.Empty); |
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} |
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[Test] |
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public void when_adding_no_modifications() |
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{
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var d1 = new SnapshotDifferencer(); |
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//NOTE: Must post nomods for all accounts and contaienrs, otherwise the missing |
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//containers will appear deleted |
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var noModItem = new[]{
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new NoModificationInfo("acc1", "Cont1"),
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new NoModificationInfo("acc1", "Cont2"),
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new NoModificationInfo("acc2", "Cont1"),
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new NoModificationInfo("acc2", "Cont2"),
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}; |
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var differencer = d1.Post(_previous) |
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.Post(noModItem); |
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Assert.That(differencer.Deleted, Is.Empty,"should have no deletions"); |
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Assert.That(differencer.Created, Is.Empty,"should have no insertions"); |
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Assert.That(differencer.Changed, Is.Empty,"should have no changes"); |
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Assert.That(differencer.Unchanged, Is.EquivalentTo(_previous),"should be equivalent to previous"); |
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} |
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[Test] |
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public void when_adding_no_mod_for_a_folder() |
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{
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var d1 = new SnapshotDifferencer(); |
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//NOTE: Must post nomods for all accounts and contaienrs, otherwise the missing |
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//containers will appear deleted |
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var noModItems = new[]{
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new NoModificationInfo("acc1", "Cont1","Folder1"),
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new NoModificationInfo("acc1", "Cont2"),
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new NoModificationInfo("acc2", "Cont1"),
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new NoModificationInfo("acc2", "Cont2"),
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}; |
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var deleted = new[] |
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{
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name3",Bytes=123,Hash="aa3",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Name4",Bytes=123,Hash="aa4",Version=1},
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}; |
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var unchanged = new[]{
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new ObjectInfo{Account="acc1",Container="Cont1",Name="Folder1/Name1",Bytes=123,Hash="aa4",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont1",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont1",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name3",Bytes=123,Hash="aa3",Version=1},
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new ObjectInfo{Account="acc1",Container="Cont2",Name="Name4",Bytes=123,Hash="aa4",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont2",Name="Name1",Bytes=123,Hash="aa1",Version=1},
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new ObjectInfo{Account="acc2",Container="Cont2",Name="Name2",Bytes=123,Hash="aa2",Version=1},
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}; |
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var differencer = d1.Post(_previous) |
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.Post(noModItems); |
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Assert.That(differencer.Deleted.ToList(), Is.EquivalentTo(deleted).Using(_comparer), "should have deletions only from acc1/cont1"); |
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Assert.That(differencer.Created, Is.Empty,"should have no insertions"); |
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Assert.That(differencer.Changed, Is.Empty,"should have no changes"); |
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Assert.That(differencer.Unchanged, Is.EquivalentTo(unchanged).Using(_comparer),"should be equivalent to previous except the direct leafs of acc1/cont1"); |
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} |
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} |
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} |