public void RestartingScanWithFilterAdvancesEnumeratorToNewMatchingEntry()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1)),
new ProjectedFileInfo("B", size: 0, isFolder: true, sha: Sha1Id.None),
new ProjectedFileInfo("c", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 2)),
new ProjectedFileInfo("D.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 3)),
new ProjectedFileInfo("E.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 4)),
new ProjectedFileInfo("E.bat", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 5)),
};
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.Current.ShouldBeSameAs(entries[0]);
activeEnumeration.TrySaveFilterString("D.txt").ShouldEqual(true);
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.Current.Name.ShouldEqual("D.txt");
activeEnumeration.RestartEnumeration("c");
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.Current.Name.ShouldEqual("c");
}
}
public void EnumerateMultipleEntryListWithEmptyFilter()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1)),
new ProjectedFileInfo("B", size: 0, isFolder: true, sha: Sha1Id.None),
new ProjectedFileInfo("c", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 2)),
new ProjectedFileInfo("D.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 3)),
new ProjectedFileInfo("E.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 4)),
new ProjectedFileInfo("E.bat", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 5)),
};
// Test empty string ("") filter
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString(string.Empty).ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
}
// Test null filter
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString(null).ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
}
}
public void EnumerateSingleEntryListWithWildcardFilter()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1))
};
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.TrySaveFilterString("*").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.TrySaveFilterString("?").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
string filter = "*.*";
activeEnumeration.TrySaveFilterString(filter).ShouldEqual(true);
// "*.*" should only match when there is a . in the name
activeEnumeration.IsCurrentValid.ShouldEqual(false);
activeEnumeration.MoveNext().ShouldEqual(false);
activeEnumeration.RestartEnumeration(filter);
activeEnumeration.IsCurrentValid.ShouldEqual(false);
}
}
public void EnumerateMultipleEntryListWithMatchingFilter()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1)),
new ProjectedFileInfo("B", size: 0, isFolder: true, sha: Sha1Id.None),
new ProjectedFileInfo("c", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 2)),
new ProjectedFileInfo("D.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 3)),
new ProjectedFileInfo("E.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 4)),
new ProjectedFileInfo("E.bat", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 5)),
};
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("E.bat").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name == "E.bat"));
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("e.bat").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => string.Compare(entry.Name, "e.bat", StringComparison.OrdinalIgnoreCase) == 0));
}
}
public void EnumerationHandlesEmptyList()
{
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(new List <ProjectedFileInfo>()))
{
activeEnumeration.IsCurrentValid.ShouldEqual(false);
activeEnumeration.MoveNext().ShouldEqual(false);
activeEnumeration.RestartEnumeration(string.Empty);
activeEnumeration.IsCurrentValid.ShouldEqual(false);
}
}
public void EnumerateSingleEntryList()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1))
};
ActiveEnumeration activeEnumeration = CreateActiveEnumeration(entries);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
}
public void EnumerationHandlesEmptyList()
{
ActiveEnumeration activeEnumeration = CreateActiveEnumeration(new List <ProjectedFileInfo>());
activeEnumeration.MoveNext().ShouldEqual(false);
activeEnumeration.Current.ShouldEqual(null);
activeEnumeration.RestartEnumeration(string.Empty);
activeEnumeration.IsCurrentValid.ShouldEqual(false);
activeEnumeration.Current.ShouldEqual(null);
}
public void CannotSetMoreThanOneFilter()
{
string filterString = "*.*";
ActiveEnumeration activeEnumeration = CreateActiveEnumeration(new List <ProjectedFileInfo>());
activeEnumeration.TrySaveFilterString(filterString).ShouldEqual(true);
activeEnumeration.TrySaveFilterString(null).ShouldEqual(false);
activeEnumeration.TrySaveFilterString(string.Empty).ShouldEqual(false);
activeEnumeration.TrySaveFilterString("?").ShouldEqual(false);
activeEnumeration.GetFilterString().ShouldEqual(filterString);
}
public void EnumerateMultipleEntries()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1)),
new ProjectedFileInfo("B", size: 0, isFolder: true, sha: Sha1Id.None),
new ProjectedFileInfo("c", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 2)),
new ProjectedFileInfo("D.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 3)),
new ProjectedFileInfo("E.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 4)),
new ProjectedFileInfo("E.bat", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 5)),
};
ActiveEnumeration activeEnumeration = CreateActiveEnumeration(entries);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
}
public void EnumerateSingleEntryListWithMatchingFilter()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1))
};
ActiveEnumeration activeEnumeration = CreateActiveEnumeration(entries);
activeEnumeration.TrySaveFilterString("a").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
activeEnumeration = CreateActiveEnumeration(entries);
activeEnumeration.TrySaveFilterString("A").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
}
public void EnumerateSingleEntryListWithNonMatchingFilter()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1))
};
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
string filter = "b";
activeEnumeration.TrySaveFilterString(filter).ShouldEqual(true);
activeEnumeration.IsCurrentValid.ShouldEqual(false);
activeEnumeration.MoveNext().ShouldEqual(false);
activeEnumeration.RestartEnumeration(filter);
activeEnumeration.IsCurrentValid.ShouldEqual(false);
}
}
private static ActiveEnumeration CreateActiveEnumeration(List <ProjectedFileInfo> entries)
{
ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries);
if (entries.Count > 0)
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.Current.ShouldBeSameAs(entries[0]);
}
else
{
activeEnumeration.IsCurrentValid.ShouldEqual(false);
activeEnumeration.Current.ShouldBeNull();
}
return(activeEnumeration);
}
public void SettingFilterAdvancesEnumeratorToMatchingEntry()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1)),
new ProjectedFileInfo("B", size: 0, isFolder: true, sha: Sha1Id.None),
new ProjectedFileInfo("c", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 2)),
new ProjectedFileInfo("D.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 3)),
new ProjectedFileInfo("E.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 4)),
new ProjectedFileInfo("E.bat", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 5)),
};
ActiveEnumeration activeEnumeration = CreateActiveEnumeration(entries);
activeEnumeration.TrySaveFilterString("D.txt").ShouldEqual(true);
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.Current.Name.ShouldEqual("D.txt");
}
private void ValidateActiveEnumeratorReturnsAllEntries(ActiveEnumeration activeEnumeration, IEnumerable <ProjectedFileInfo> entries)
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
// activeEnumeration should iterate over each entry in entries
foreach (ProjectedFileInfo entry in entries)
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.Current.ShouldBeSameAs(entry);
activeEnumeration.MoveNext();
}
// activeEnumeration should no longer be valid after iterating beyond the end of the list
activeEnumeration.IsCurrentValid.ShouldEqual(false);
// attempts to move beyond the end of the list should fail
activeEnumeration.MoveNext().ShouldEqual(false);
}
public void EnumerateSingleEntryListWithEmptyFilter()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1))
};
// Test empty string ("") filter
ActiveEnumeration activeEnumeration = CreateActiveEnumeration(entries);
activeEnumeration.TrySaveFilterString(string.Empty).ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
// Test null filter
activeEnumeration = CreateActiveEnumeration(entries);
activeEnumeration.TrySaveFilterString(null).ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
}
public void RestartingScanWithFilterAdvancesEnumeratorToFirstMatchingEntry()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("C.TXT", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1)),
new ProjectedFileInfo("D.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 2)),
new ProjectedFileInfo("E.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 3)),
new ProjectedFileInfo("E.bat", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 4)),
};
ActiveEnumeration activeEnumeration = CreateActiveEnumeration(entries);
activeEnumeration.TrySaveFilterString("D.txt").ShouldEqual(true);
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.Current.Name.ShouldEqual("D.txt");
activeEnumeration.RestartEnumeration("c*");
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.Current.Name.ShouldEqual("C.TXT");
}
public void EnumerateMultipleEntryListWithNonMatchingFilter()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1)),
new ProjectedFileInfo("B", size: 0, isFolder: true, sha: Sha1Id.None),
new ProjectedFileInfo("c", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 2)),
new ProjectedFileInfo("D.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 3)),
new ProjectedFileInfo("E.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 4)),
new ProjectedFileInfo("E.bat", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 5)),
};
ActiveEnumeration activeEnumeration = CreateActiveEnumeration(entries);
string filter = "g";
activeEnumeration.TrySaveFilterString(filter).ShouldEqual(true);
activeEnumeration.IsCurrentValid.ShouldEqual(false);
activeEnumeration.MoveNext().ShouldEqual(false);
activeEnumeration.RestartEnumeration(filter);
activeEnumeration.IsCurrentValid.ShouldEqual(false);
}
public void EnumerateMultipleEntryListWithWildcardFilter()
{
List <ProjectedFileInfo> entries = new List <ProjectedFileInfo>()
{
new ProjectedFileInfo(".txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 1)),
new ProjectedFileInfo("a", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 2)),
new ProjectedFileInfo("B", size: 0, isFolder: true, sha: Sha1Id.None),
new ProjectedFileInfo("c", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 3)),
new ProjectedFileInfo("D.", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 4)),
new ProjectedFileInfo("D.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 5)),
new ProjectedFileInfo("E..log", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 6)),
new ProjectedFileInfo("E.txt", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 7)),
new ProjectedFileInfo("E.bat", size: 0, isFolder: false, sha: new Sha1Id(1, 1, 8)),
};
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("*").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries);
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("*.*").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.Contains(".")));
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("*.txt").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.EndsWith(".txt", System.StringComparison.OrdinalIgnoreCase)));
}
// '<' = DOS_STAR, matches 0 or more characters until encountering and matching
// the final . in the name
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("<.txt").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.EndsWith(".txt", System.StringComparison.OrdinalIgnoreCase)));
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("?").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.Length == 1));
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("?.txt").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.Length == 5 && entry.Name.EndsWith(".txt", System.StringComparison.OrdinalIgnoreCase)));
}
// '>' = DOS_QM, matches any single character, or upon encountering a period or
// end of name string, advances the expression to the end of the
// set of contiguous DOS_QMs.
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString(">.txt").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.Length <= 5 && entry.Name.EndsWith(".txt", System.StringComparison.OrdinalIgnoreCase)));
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("E.???").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.Length == 5 && entry.Name.StartsWith("E.", System.StringComparison.OrdinalIgnoreCase)));
}
// '"' = DOS_DOT, matches either a . or zero characters beyond name string.
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("E\"*").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.StartsWith("E.", System.StringComparison.OrdinalIgnoreCase) || entry.Name.Equals("E", System.StringComparison.OrdinalIgnoreCase)));
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("e\"*").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.StartsWith("E.", System.StringComparison.OrdinalIgnoreCase) || entry.Name.Equals("E", System.StringComparison.OrdinalIgnoreCase)));
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("B\"*").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.StartsWith("B.", System.StringComparison.OrdinalIgnoreCase) || entry.Name.Equals("B", System.StringComparison.OrdinalIgnoreCase)));
}
using (ActiveEnumeration activeEnumeration = new ActiveEnumeration(entries))
{
activeEnumeration.IsCurrentValid.ShouldEqual(true);
activeEnumeration.TrySaveFilterString("e.???").ShouldEqual(true);
this.ValidateActiveEnumeratorReturnsAllEntries(activeEnumeration, entries.Where(entry => entry.Name.Length == 5 && entry.Name.StartsWith("E.", System.StringComparison.OrdinalIgnoreCase)));
}
}
public ActiveEnumerationTests(PatternMatcherWrapper wrapper)
{
ActiveEnumeration.SetPatternMatcher(wrapper.Matcher);
}
