public void Constructor_SetsDefaultsCorrectly()
{
var hostEntry = new HostEntry();
Assert.Equal(HostEntry.LocalHostIpAddress, hostEntry.IpAddress);
Assert.True(hostEntry.IsEnabled);
}
public IHostsConfigurer AddHostEntry(Action<IHostEntryConfigurer> configurer)
{
var entry = new HostEntry();
configurer(new HostEntryConfigurer(entry));
HostsFile.AddHostEntry(entry);
Logger.Info(entry.ContructAddMessage);
return this;
}
public IHostsConfigurer AddHostEntry(Action <IHostEntryConfigurer> configurer)
{
var entry = new HostEntry();
configurer(new HostEntryConfigurer(entry));
HostsFile.AddHostEntry(entry);
Logger.Info(entry.ContructAddMessage);
return(this);
}
public void AddHostEntry_ShouldNotAddDuplicateEntriesWithTheSameHostNameAndIp()
{
var sut = new HostsFile();
var hostEntry1 = new HostEntry() { HostName = "mysite.co.uk", IsEnabled = true, IpAddress = "192.168.2.1"};
var hostEntry2 = new HostEntry() { HostName = "mysite.co.uk", IsEnabled = true, IpAddress = "192.168.2.1" };
sut.AddHostEntry(hostEntry1);
sut.AddHostEntry(hostEntry2);
Assert.Equal(1, sut.AllHostEntries().Count());
Assert.True(sut.AllHostEntries().Last().IsEnabled);
}
public void ToString_ReturnsCorrectValueWhenEnabledWithNoDescription()
{
var hostEntry = new HostEntry();
hostEntry.IpAddress = "127.0.0.1";
hostEntry.IsEnabled = true;
hostEntry.Description = null;
hostEntry.HostName = "mysite.co.uk";
var actual = hostEntry.ToString();
var expected = "127.0.0.1 mysite.co.uk";
Assert.Equal(expected, actual);
}
public void ToString_ReturnsCorrectValueWhenDisabledWithDescription()
{
var hostEntry = new HostEntry();
hostEntry.IpAddress = "127.0.0.1";
hostEntry.IsEnabled = false;
hostEntry.Description = "Some description";
hostEntry.HostName = "mysite.co.uk";
var actual = hostEntry.ToString();
var expected = "# 127.0.0.1 mysite.co.uk\t# Some description";
Assert.Equal(expected, actual);
}
public void TryParse_ParsesCorrectlyWhenValueIsCommentedOutAndHasDescription()
{
HostEntry hostEntry = default(HostEntry);
var value = "#127.0.0.1 mysite.co.uk # This is a description";
var actual = HostEntry.TryParse(value, out hostEntry);
Assert.True(actual);
Assert.Equal("127.0.0.1", hostEntry.IpAddress);
Assert.Equal("mysite.co.uk", hostEntry.HostName);
Assert.Equal("This is a description", hostEntry.Description);
Assert.False(hostEntry.IsEnabled);
}
public void TryParse_ParsesCorrectlyWhenValueIsAnUncommentedOutEntryWithNoDescription()
{
HostEntry hostEntry = default(HostEntry);
var value = "127.0.0.1 mysite.co.uk";
var actual = HostEntry.TryParse(value, out hostEntry);
Assert.True(actual);
Assert.Equal("127.0.0.1", hostEntry.IpAddress);
Assert.Equal("mysite.co.uk", hostEntry.HostName);
Assert.Equal("", hostEntry.Description);
Assert.True(hostEntry.IsEnabled);
}
public void ToString_ReturnsCorrectValueWhenEnabledWithDescription()
{
var hostEntry = new HostEntry();
hostEntry.IpAddress = "127.0.0.1";
hostEntry.IsEnabled = true;
hostEntry.Description = "Some description";
hostEntry.HostName = "mysite.co.uk";
var actual = hostEntry.ToString();
var expected = "127.0.0.1 mysite.co.uk\t# Some description";
Assert.Equal(expected, actual);
}
public void RemoveHostEntry_RemovesEntryFromHostFile()
{
var sut = new HostsFile();
var entry = new HostEntry()
{
HostName = "mysite.co.uk"
};
sut.AddHostEntry(entry);
sut.RemoveHostEntry(entry);
Assert.Empty(sut.AllHostEntries());
}
public void ToString_ReturnsCorrectValueWhenDisabledWithNoDescription()
{
var hostEntry = new HostEntry();
hostEntry.IpAddress = "127.0.0.1";
hostEntry.IsEnabled = false;
hostEntry.Description = null;
hostEntry.HostName = "mysite.co.uk";
var actual = hostEntry.ToString();
var expected = "# 127.0.0.1 mysite.co.uk";
Assert.Equal(expected, actual);
}
public void AddHostEntry_ShouldNotAddDuplicateEntriesWithTheSameHostNameAndIp()
{
var sut = new HostsFile();
var hostEntry1 = new HostEntry()
{
HostName = "mysite.co.uk", IsEnabled = true, IpAddress = "192.168.2.1"
};
var hostEntry2 = new HostEntry()
{
HostName = "mysite.co.uk", IsEnabled = true, IpAddress = "192.168.2.1"
};
sut.AddHostEntry(hostEntry1);
sut.AddHostEntry(hostEntry2);
Assert.Equal(1, sut.AllHostEntries().Count());
Assert.True(sut.AllHostEntries().Last().IsEnabled);
}
public HostEntry AddHostEntry(HostEntry hostEntry)
{
var found = FindHostEntry(hostEntry.HostName);
foreach (HostEntry entry in FindHostEntry(hostEntry.HostName))
{
entry.IsEnabled = false;
}
var duplicateEntry = found.FirstOrDefault(x => x.IpAddress.Equals(hostEntry.IpAddress));
if (duplicateEntry == null)
{
_hostEntries.Add(hostEntry);
}
else
{
duplicateEntry.IsEnabled = true;
}
return hostEntry;
}
public HostEntry AddHostEntry(HostEntry hostEntry)
{
var found = FindHostEntry(hostEntry.HostName);
foreach (HostEntry entry in FindHostEntry(hostEntry.HostName))
{
entry.IsEnabled = false;
}
var duplicateEntry = found.FirstOrDefault(x => x.IpAddress.Equals(hostEntry.IpAddress));
if (duplicateEntry == null)
{
_hostEntries.Add(hostEntry);
}
else
{
duplicateEntry.IsEnabled = true;
}
return(hostEntry);
}
public static bool TryParse(string value, out HostEntry hostEntry)
{
const string matchPattern = @"^(?<IpAddress>[0-9a-f.:]+)\s+(?<HostName>[^\s#]+)(?<Description>.*)$";
hostEntry = new HostEntry();
var regex = new Regex(matchPattern);
var match = regex.Match(value.TrimStart('#'));
if (match.Success)
{
hostEntry = new HostEntry()
{
IpAddress = match.Groups["IpAddress"].Value,
HostName = match.Groups["HostName"].Value,
Description = match.Groups["Description"].Value.Replace("#", string.Empty).Trim(),
IsEnabled = !value.StartsWith("#")
};
}
return(match.Success);
}
public static bool TryParse(string value, out HostEntry hostEntry)
{
const string matchPattern = @"^(?<IpAddress>[0-9a-f.:]+)\s+(?<HostName>[^\s#]+)(?<Description>.*)$";
hostEntry = new HostEntry();
var regex = new Regex(matchPattern);
var match = regex.Match(value.TrimStart('#'));
if (match.Success)
{
hostEntry = new HostEntry()
{
IpAddress = match.Groups["IpAddress"].Value,
HostName = match.Groups["HostName"].Value,
Description = match.Groups["Description"].Value.Replace("#", string.Empty).Trim(),
IsEnabled = !value.StartsWith("#")
};
}
return match.Success;
}
public static HostsFile Load(Stream stream)
{
var hostsFile = new HostsFile();
var reader = new StreamReader(stream);
while (reader.Peek() >= 0)
{
string line = reader.ReadLine();
HostEntry hostEntry;
if (HostEntry.TryParse(line, out hostEntry))
{
hostsFile.AddHostEntry(hostEntry);
}
else
{
hostsFile.AddComment(line.TrimStart('#'));
}
}
return(hostsFile);
}
public void Constructor_SetsDefaultsCorrectly()
{
var hostEntry = new HostEntry();
Assert.Equal(HostEntry.LocalHostIpAddress, hostEntry.IpAddress);
Assert.True(hostEntry.IsEnabled);
}
public void RemoveHostEntry_RemovesEntryFromHostFile()
{
var sut = new HostsFile();
var entry = new HostEntry(){HostName = "mysite.co.uk"};
sut.AddHostEntry(entry);
sut.RemoveHostEntry(entry);
Assert.Empty(sut.AllHostEntries());
}
public void RemoveHostEntry(HostEntry entry)
{
_hostEntries.Remove(entry);
}
public HostEntryConfigurer(HostEntry hostEntry)
{
_hostEntry = hostEntry;
}
public void RemoveHostEntry(HostEntry entry)
{
_hostEntries.Remove(entry);
}
public HostEntryConfigurer(HostEntry hostEntry)
{
_hostEntry = hostEntry;
}
