From 8f91c777559748fa6e857d9fc1f4ae079a532813 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Mon, 3 Oct 2016 16:03:15 -0400 Subject: Adding ability to serve TLS directly from Mattermost server (#4119) --- .../x/net/internal/timeseries/timeseries_test.go | 170 +++++++++++++++++++++ 1 file changed, 170 insertions(+) create mode 100644 vendor/golang.org/x/net/internal/timeseries/timeseries_test.go (limited to 'vendor/golang.org/x/net/internal/timeseries/timeseries_test.go') diff --git a/vendor/golang.org/x/net/internal/timeseries/timeseries_test.go b/vendor/golang.org/x/net/internal/timeseries/timeseries_test.go new file mode 100644 index 000000000..66325a912 --- /dev/null +++ b/vendor/golang.org/x/net/internal/timeseries/timeseries_test.go @@ -0,0 +1,170 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package timeseries + +import ( + "math" + "testing" + "time" +) + +func isNear(x *Float, y float64, tolerance float64) bool { + return math.Abs(x.Value()-y) < tolerance +} + +func isApproximate(x *Float, y float64) bool { + return isNear(x, y, 1e-2) +} + +func checkApproximate(t *testing.T, o Observable, y float64) { + x := o.(*Float) + if !isApproximate(x, y) { + t.Errorf("Wanted %g, got %g", y, x.Value()) + } +} + +func checkNear(t *testing.T, o Observable, y, tolerance float64) { + x := o.(*Float) + if !isNear(x, y, tolerance) { + t.Errorf("Wanted %g +- %g, got %g", y, tolerance, x.Value()) + } +} + +var baseTime = time.Date(2013, 1, 1, 0, 0, 0, 0, time.UTC) + +func tu(s int64) time.Time { + return baseTime.Add(time.Duration(s) * time.Second) +} + +func tu2(s int64, ns int64) time.Time { + return baseTime.Add(time.Duration(s)*time.Second + time.Duration(ns)*time.Nanosecond) +} + +func TestBasicTimeSeries(t *testing.T) { + ts := NewTimeSeries(NewFloat) + fo := new(Float) + *fo = Float(10) + ts.AddWithTime(fo, tu(1)) + ts.AddWithTime(fo, tu(1)) + ts.AddWithTime(fo, tu(1)) + ts.AddWithTime(fo, tu(1)) + checkApproximate(t, ts.Range(tu(0), tu(1)), 40) + checkApproximate(t, ts.Total(), 40) + ts.AddWithTime(fo, tu(3)) + ts.AddWithTime(fo, tu(3)) + ts.AddWithTime(fo, tu(3)) + checkApproximate(t, ts.Range(tu(0), tu(2)), 40) + checkApproximate(t, ts.Range(tu(2), tu(4)), 30) + checkApproximate(t, ts.Total(), 70) + ts.AddWithTime(fo, tu(1)) + ts.AddWithTime(fo, tu(1)) + checkApproximate(t, ts.Range(tu(0), tu(2)), 60) + checkApproximate(t, ts.Range(tu(2), tu(4)), 30) + checkApproximate(t, ts.Total(), 90) + *fo = Float(100) + ts.AddWithTime(fo, tu(100)) + checkApproximate(t, ts.Range(tu(99), tu(100)), 100) + checkApproximate(t, ts.Range(tu(0), tu(4)), 36) + checkApproximate(t, ts.Total(), 190) + *fo = Float(10) + ts.AddWithTime(fo, tu(1)) + ts.AddWithTime(fo, tu(1)) + checkApproximate(t, ts.Range(tu(0), tu(4)), 44) + checkApproximate(t, ts.Range(tu(37), tu2(100, 100e6)), 100) + checkApproximate(t, ts.Range(tu(50), tu2(100, 100e6)), 100) + checkApproximate(t, ts.Range(tu(99), tu2(100, 100e6)), 100) + checkApproximate(t, ts.Total(), 210) + + for i, l := range ts.ComputeRange(tu(36), tu(100), 64) { + if i == 63 { + checkApproximate(t, l, 100) + } else { + checkApproximate(t, l, 0) + } + } + + checkApproximate(t, ts.Range(tu(0), tu(100)), 210) + checkApproximate(t, ts.Range(tu(10), tu(100)), 100) + + for i, l := range ts.ComputeRange(tu(0), tu(100), 100) { + if i < 10 { + checkApproximate(t, l, 11) + } else if i >= 90 { + checkApproximate(t, l, 10) + } else { + checkApproximate(t, l, 0) + } + } +} + +func TestFloat(t *testing.T) { + f := Float(1) + if g, w := f.String(), "1"; g != w { + t.Errorf("Float(1).String = %q; want %q", g, w) + } + f2 := Float(2) + var o Observable = &f2 + f.Add(o) + if g, w := f.Value(), 3.0; g != w { + t.Errorf("Float post-add = %v; want %v", g, w) + } + f.Multiply(2) + if g, w := f.Value(), 6.0; g != w { + t.Errorf("Float post-multiply = %v; want %v", g, w) + } + f.Clear() + if g, w := f.Value(), 0.0; g != w { + t.Errorf("Float post-clear = %v; want %v", g, w) + } + f.CopyFrom(&f2) + if g, w := f.Value(), 2.0; g != w { + t.Errorf("Float post-CopyFrom = %v; want %v", g, w) + } +} + +type mockClock struct { + time time.Time +} + +func (m *mockClock) Time() time.Time { return m.time } +func (m *mockClock) Set(t time.Time) { m.time = t } + +const buckets = 6 + +var testResolutions = []time.Duration{ + 10 * time.Second, // level holds one minute of observations + 100 * time.Second, // level holds ten minutes of observations + 10 * time.Minute, // level holds one hour of observations +} + +// TestTimeSeries uses a small number of buckets to force a higher +// error rate on approximations from the timeseries. +type TestTimeSeries struct { + timeSeries +} + +func TestExpectedErrorRate(t *testing.T) { + ts := new(TestTimeSeries) + fake := new(mockClock) + fake.Set(time.Now()) + ts.timeSeries.init(testResolutions, NewFloat, buckets, fake) + for i := 1; i <= 61*61; i++ { + fake.Set(fake.Time().Add(1 * time.Second)) + ob := Float(1) + ts.AddWithTime(&ob, fake.Time()) + + // The results should be accurate within one missing bucket (1/6) of the observations recorded. + checkNear(t, ts.Latest(0, buckets), min(float64(i), 60), 10) + checkNear(t, ts.Latest(1, buckets), min(float64(i), 600), 100) + checkNear(t, ts.Latest(2, buckets), min(float64(i), 3600), 600) + } +} + +func min(a, b float64) float64 { + if a < b { + return a + } + return b +} -- cgit v1.2.3-1-g7c22