154 lines
3.1 KiB
Go
154 lines
3.1 KiB
Go
package lib
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import (
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"math"
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"testing"
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"time"
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"github.com/hashicorp/serf/coordinate"
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"github.com/pascaldekloe/goe/verify"
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)
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func TestRTT_ComputeDistance(t *testing.T) {
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tests := []struct {
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desc string
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a *coordinate.Coordinate
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b *coordinate.Coordinate
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dist float64
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}{
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{
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"10 ms",
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GenerateCoordinate(0),
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GenerateCoordinate(10 * time.Millisecond),
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0.010,
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},
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{
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"0 ms",
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GenerateCoordinate(10 * time.Millisecond),
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GenerateCoordinate(10 * time.Millisecond),
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0.0,
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},
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{
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"2 ms",
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GenerateCoordinate(8 * time.Millisecond),
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GenerateCoordinate(10 * time.Millisecond),
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0.002,
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},
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{
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"2 ms reversed",
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GenerateCoordinate(10 * time.Millisecond),
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GenerateCoordinate(8 * time.Millisecond),
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0.002,
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},
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{
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"a nil",
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nil,
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GenerateCoordinate(8 * time.Millisecond),
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math.Inf(1.0),
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},
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{
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"b nil",
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GenerateCoordinate(8 * time.Millisecond),
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nil,
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math.Inf(1.0),
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},
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{
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"both nil",
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nil,
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nil,
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math.Inf(1.0),
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},
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}
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for _, tt := range tests {
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t.Run(tt.desc, func(t *testing.T) {
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dist := ComputeDistance(tt.a, tt.b)
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verify.Values(t, "", dist, tt.dist)
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})
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}
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}
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func TestRTT_Intersect(t *testing.T) {
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// The numbers here don't matter, we just want a unique coordinate for
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// each one.
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server_1 := CoordinateSet{
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"": GenerateCoordinate(1 * time.Millisecond),
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"alpha": GenerateCoordinate(2 * time.Millisecond),
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"beta": GenerateCoordinate(3 * time.Millisecond),
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}
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server_2 := CoordinateSet{
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"": GenerateCoordinate(4 * time.Millisecond),
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"alpha": GenerateCoordinate(5 * time.Millisecond),
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"beta": GenerateCoordinate(6 * time.Millisecond),
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}
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client_alpha := CoordinateSet{
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"alpha": GenerateCoordinate(7 * time.Millisecond),
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}
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client_beta_1 := CoordinateSet{
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"beta": GenerateCoordinate(8 * time.Millisecond),
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}
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client_beta_2 := CoordinateSet{
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"beta": GenerateCoordinate(9 * time.Millisecond),
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}
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tests := []struct {
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desc string
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a CoordinateSet
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b CoordinateSet
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c1 *coordinate.Coordinate
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c2 *coordinate.Coordinate
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}{
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{
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"nil maps",
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nil, nil,
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nil, nil,
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},
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{
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"two servers",
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server_1, server_2,
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server_1[""], server_2[""],
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},
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{
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"two clients",
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client_beta_1, client_beta_2,
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client_beta_1["beta"], client_beta_2["beta"],
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},
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{
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"server_1 and client alpha",
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server_1, client_alpha,
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server_1["alpha"], client_alpha["alpha"],
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},
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{
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"server_1 and client beta 1",
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server_1, client_beta_1,
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server_1["beta"], client_beta_1["beta"],
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},
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{
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"server_1 and client alpha reversed",
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client_alpha, server_1,
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client_alpha["alpha"], server_1["alpha"],
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},
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{
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"server_1 and client beta 1 reversed",
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client_beta_1, server_1,
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client_beta_1["beta"], server_1["beta"],
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},
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{
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"nothing in common",
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client_alpha, client_beta_1,
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nil, client_beta_1["beta"],
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},
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{
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"nothing in common reversed",
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client_beta_1, client_alpha,
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nil, client_alpha["alpha"],
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},
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}
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for _, tt := range tests {
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t.Run(tt.desc, func(t *testing.T) {
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r1, r2 := tt.a.Intersect(tt.b)
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verify.Values(t, "", r1, tt.c1)
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verify.Values(t, "", r2, tt.c2)
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})
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}
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}
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