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Making test logging ~30% better

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This commit is contained in:
Rikki Tooley 2015-02-17 10:00:45 +00:00
parent 222546b7fe
commit 82b71c36de
1 changed files with 34 additions and 15 deletions
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45
src/IF.Lastfm.Core.Tests/TestHelper.cs
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@ -26,15 +26,22 @@ public static string TestSerialise<T>(this T poco)
return JsonConvert.SerializeObject(poco, Formatting.Indented, _testSerialiserSettings); return JsonConvert.SerializeObject(poco, Formatting.Indented, _testSerialiserSettings);
} }
public static string DifferencesTo<T>(this IEnumerable<T> expected, IEnumerable<T> actual)
{
var first = String.Join(Environment.NewLine, expected);
var second = String.Join(Environment.NewLine, actual);
return first.DifferencesTo(second);
}
public static string DifferencesTo(this string first, string second) public static string DifferencesTo(this string first, string second)
{ {
const string start = "\n\nDifferences:\n"; const string lineDiffTemplate = "{0}A: {1}\n{0}B: {2}";
var start = Environment.NewLine + Environment.NewLine + "Differences:" + Environment.NewLine;
var sb = new StringBuilder(start); var sb = new StringBuilder(start);
var sr1 = new StringReader(first); var sr1 = new StringReader(first);
var sr2 = new StringReader(second); var sr2 = new StringReader(second);
int count = 1; int count = 1;
using (sr1) using (sr1)
{ {
@ -42,18 +49,26 @@ public static string DifferencesTo(this string first, string second)
{ {
while (true) while (true)
{ {
string line1, line2; var line1 = sr1.ReadLine();
var lineWasRead = sr1.LineRead(out line1); var line1Read = !String.IsNullOrEmpty(line1);
lineWasRead &= sr2.LineRead(out line2); var line2 = sr2.ReadLine();
var line2Read = !String.IsNullOrEmpty(line2);
if (!lineWasRead) if (line1Read && line2Read)
{
if (line1 != line2)
{
var line = string.Format(lineDiffTemplate, count, line1, line2);
sb.AppendLine(line);
}
}
else if (!line1Read && !line2Read)
{ {
break; break;
} }
else // one string still has lines
if (line1 != line2)
{ {
var line = string.Format("{0}A: {1}\n{0}B: {2}", count, line1, line2); var line = string.Format(lineDiffTemplate, count, line1, line2);
sb.AppendLine(line); sb.AppendLine(line);
} }
@ -61,7 +76,6 @@ public static string DifferencesTo(this string first, string second)
} }
} }
} }
return sb.ToString(); return sb.ToString();
} }
@ -86,8 +100,13 @@ public static DateTime RoundToNearestSecond(this DateTime dt)
: dt.AddMilliseconds(1000 - ms); : dt.AddMilliseconds(1000 - ms);
} }
public static void AssertValues<T>(this PageResponse<T> pageResponse, bool success, int totalItems, int pageSize, int page, int totalPages) public static void AssertValues<T>(
where T : new() this PageResponse<T> pageResponse,
bool success,
int totalItems,
int pageSize,
int page,
int totalPages) where T : new()
{ {
const string messageFormat = "Page response:\n{0}\n\nExpected {1} to equal {2}"; const string messageFormat = "Page response:\n{0}\n\nExpected {1} to equal {2}";
var json = pageResponse.TestSerialise(); var json = pageResponse.TestSerialise();