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Fix panic in statsd p100 calculation (#3230)

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This commit is contained in:
Trevor Pounds
2017-09-14 18:27:42 -04:00
committed by Daniel Nelson
parent 279fa20b4a
commit 3468ffc40f
2 changed files with 29 additions and 4 deletions
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18
plugins/inputs/statsd/running_stats_test.go
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@@ -23,12 +23,18 @@ func TestRunningStats_Single(t *testing.T) {
if rs.Lower() != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Lower())
}
if rs.Percentile(100) != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Percentile(100))
}
if rs.Percentile(90) != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Percentile(90))
}
if rs.Percentile(50) != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Percentile(50))
}
if rs.Percentile(0) != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Percentile(0))
}
if rs.Count() != 1 {
t.Errorf("Expected %v, got %v", 1, rs.Count())
}
@@ -58,12 +64,18 @@ func TestRunningStats_Duplicate(t *testing.T) {
if rs.Lower() != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Lower())
}
if rs.Percentile(100) != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Percentile(100))
}
if rs.Percentile(90) != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Percentile(90))
}
if rs.Percentile(50) != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Percentile(50))
}
if rs.Percentile(0) != 10.1 {
t.Errorf("Expected %v, got %v", 10.1, rs.Percentile(0))
}
if rs.Count() != 4 {
t.Errorf("Expected %v, got %v", 4, rs.Count())
}
@@ -93,12 +105,18 @@ func TestRunningStats(t *testing.T) {
if rs.Lower() != 5 {
t.Errorf("Expected %v, got %v", 5, rs.Lower())
}
if rs.Percentile(100) != 45 {
t.Errorf("Expected %v, got %v", 45, rs.Percentile(100))
}
if rs.Percentile(90) != 32 {
t.Errorf("Expected %v, got %v", 32, rs.Percentile(90))
}
if rs.Percentile(50) != 11 {
t.Errorf("Expected %v, got %v", 11, rs.Percentile(50))
}
if rs.Percentile(0) != 5 {
t.Errorf("Expected %v, got %v", 5, rs.Percentile(0))
}
if rs.Count() != 16 {
t.Errorf("Expected %v, got %v", 4, rs.Count())
}