public void LineParser_Parse()
{
var options = new SnapshotOptions();
options.AddDirective(line => line.Replace(" ", string.Empty, StringComparison.OrdinalIgnoreCase));
var sn = new StringBuilder()
.AppendLine("Line 1")
.AppendLine("Line 2")
.AppendLine("Line 3");
var savedsnap = SnapshotTokenizer.Tokenize(sn.ToString(), options);
sn = new StringBuilder()
.AppendLine("Line 1")
.AppendLine(" Line 2")
.AppendLine(" Line 3");
var newsnap = SnapshotTokenizer.Tokenize(sn.ToString());
var comparer = new SnapshotCompare();
var result = comparer.Compare(newsnap, savedsnap, options);
result.Status.Should().Be(SnapshotStatus.SnapshotsDoNotMatch);
newsnap = SnapshotTokenizer.Tokenize(sn.ToString(), options);
result = comparer.Compare(newsnap, savedsnap, options);
result.Status.Should().Be(SnapshotStatus.SnapshotsMatch);
}
public void SnapshotOptions_Configure()
{
var sn = new StringBuilder()
.AppendLine("Line 1")
.AppendLine("Line 2")
.AppendLine("Line 3");
var savedsnap = SnapshotTokenizer.Tokenize(sn.ToString());
var config = new SnapshotOptions();
config.SetComparer((newline, savedline) => newline.Value.Replace(" ", string.Empty, StringComparison.OrdinalIgnoreCase).Equals(savedline.Value.Replace(" ", string.Empty, StringComparison.OrdinalIgnoreCase)));
sn = new StringBuilder()
.AppendLine("Line 1")
.AppendLine(" Line 2")
.AppendLine(" Line 3");
var newsnap = SnapshotTokenizer.Tokenize(sn.ToString());
var comparer = new SnapshotCompare();
var result = comparer.Compare(newsnap, savedsnap, config);
result.Status.Should().Be(SnapshotStatus.SnapshotsMatch);
SnapshotOptions.Setup(o => { });
}
// compare before/after screenshots and output image highlighting difference
internal void snapshotDiff(Screenshot before, Screenshot after, string fileBase)
{
if (before != null && after != null)
{
var path = $"{Script.ScreenshotPath}{fileBase}_Diff.png";
Script.Logger.Log("Performing snapshot diff", MessageTypes.Internal);
var diff = SnapshotCompare.Difference(before, after);
Script.Logger.Log($"Saving snapshot diff to: {path}", MessageTypes.General);
diff.Save(path, System.Drawing.Imaging.ImageFormat.Png);
}
}
