public void RemoveNull_DoNothing()
{
using var index = new StringIndex <string>();
var result = index.Remove(null, new string[0]);
Assert.False(result);
}
public async Task OnRemoveEmpty_RemoveEventNotInvoked(int tasksCount)
{
using var index = new StringIndex <string>();
var inputs = new Dictionary <string, IEnumerable <string> >();
for (var i = 0; i < tasksCount; i++)
{
inputs[Guid.NewGuid().ToString()] = new string[0];
}
foreach (var(q, input) in inputs)
{
index.Add(q, input);
}
var triggered = 0;
index.Removed += (q, values) =>
{
var input = inputs[q];
Assert.Equal(input, values);
Interlocked.Increment(ref triggered);
};
var tasks = new List <Task>();
foreach (var(q, input) in inputs)
{
tasks.Add(Task.Run(() => index.Remove(q, input)));
}
await Task.WhenAll(tasks);
Assert.Equal(0, triggered);
}
public async Task RemoveMultiple_GetByQuery_NotContainsRemoved(int tasksCount)
{
var skipTake = 3;
using var index = new StringIndex <string>();
var inputs = new Dictionary <string, IEnumerable <string> >();
for (var i = 0; i < tasksCount; i++)
{
inputs[Guid.NewGuid().ToString()] = new []
{
Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString()
}
}
;
var tasks = new List <Task>();
foreach (var(q, input) in inputs)
{
tasks.Add(Task.Run(() => index.Add(q, input)));
}
await Task.WhenAll(tasks);
var removeTasks = new List <Task>();
foreach (var(q, input) in inputs)
{
removeTasks.Add(Task.Run(() => index.Remove(q, input.Take(skipTake))));
}
await Task.WhenAll(removeTasks);
var getTasks = inputs.Keys.Select(q => Task.Run(() => new { Query = q, Result = index.Get(q) })).ToList();
await Task.WhenAll(getTasks);
foreach (var task in getTasks)
{
var(query, result) = (task.Result.Query, task.Result.Result);
var input = inputs[query].ToList();
Assert.All(input.Skip(skipTake), x => Assert.Contains(x, result));
Assert.All(input.Take(skipTake), x => Assert.DoesNotContain(x, result));
Assert.Equal(input.Count - skipTake, result.Count);
}
}
public void RemoveAndSearch()
{
var si = new StringIndex();
si.Add("abcdef", "1");
si.Add("abcdeff", "2");
si.Add("abcdeffg", "3");
si.Add("bcdef", "4");
si.Add("bcdefg", "5");
si.Add("cdefg", "6");
si.Add("cdefgh", "7");
si.Remove("abcdef", "1");
var output = si.GetValuesByPrefixFlattened("abc");
Assert.IsTrue(!output.Contains("1") && output.Contains("2") && output.Contains("3"));
}
public void AddAndSearchValuesCount()
{
var si = new StringIndex();
si.Add("abcdef", "1");
si.Add("abcdeff", "2");
si.Add("abcdeffg", "3");
si.Add("bcdef", "4");
si.Add("bcdefg", "5");
si.Add("cdefg", "6");
si.Add("cdefgh", "7");
si.Remove("cdefgh", "7");
var output1 = si.GetValuesByPrefixCount("abc");
var output2 = si.GetValuesByPrefixCount("b");
var output3 = si.GetValuesByPrefixCount("bc");
var output4 = si.GetValuesByPrefixCount("ca");
Assert.IsTrue(output1 == 3 && output2 == 2 && output3 == 2 && output4 == 0);
}
public async Task RemoveFromEmpty_GetByQuery_MustBeEmpty(int tasksCount)
{
using var index = new StringIndex <string>();
var inputs = new List <string>();
for (var i = 0; i < tasksCount; i++)
{
inputs.Add(Guid.NewGuid().ToString());
}
var removeTasks = inputs.Select(query => Task.Run(() => index.Remove(query, Guid.NewGuid().ToString()))).Cast <Task>().ToList();
await Task.WhenAll(removeTasks);
var getTasks = inputs.Select(q => Task.Run(() => index.Get(q))).ToList();
await Task.WhenAll(getTasks);
foreach (var task in getTasks)
{
var result = task.Result;
Assert.Empty(result);
}
}