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Copy pathresources_test.go
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177 lines (162 loc) · 5.75 KB
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// Copyright 2017 GRAIL, Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package reflow_test
import (
"reflect"
"testing"
"github.com/grailbio/reflow"
)
func TestResources(t *testing.T) {
r1 := reflow.Resources{"mem": 10, "cpu": 5, "disk": 1}
r2 := reflow.Resources{"mem": 5, "cpu": 2, "disk": 3}
var got, want reflow.Resources
got.Sub(r1, r2)
if want := (reflow.Resources{"mem": 5, "cpu": 3, "disk": -2}); !got.Equal(want) {
t.Errorf("got %v, want %v", got, want)
}
got.Add(r1, r2)
if want := (reflow.Resources{"mem": 15, "cpu": 7, "disk": 4}); !got.Equal(want) {
t.Errorf("got %v, want %v", got, want)
}
got.Add(r1, r2)
want.Add(r2, r1)
if !got.Equal(want) {
t.Errorf("got %v, want %v", got, want)
}
if r1.Available(r2) {
t.Errorf("expected %v to be unavailable in %v", r2, r1)
}
r3 := reflow.Resources{"mem": 3, "cpu": 1, "disk": 1}
if !r1.Available(r3) {
t.Errorf("expected %v to be available in %v", r3, r1)
}
got.Min(r1, r2)
if want := (reflow.Resources{"mem": 5, "cpu": 2, "disk": 1}); !got.Equal(want) {
t.Errorf("got %v, want %v", got, want)
}
got.Max(r1, r2)
if want := (reflow.Resources{"mem": 10, "cpu": 5, "disk": 3}); !got.Equal(want) {
t.Errorf("got %v, want %v", got, want)
}
if got, want := r1.Div(r2), map[string]float64{"mem": 2, "cpu": 2.5, "disk": 1 / 3}; reflect.DeepEqual(got, want) {
t.Errorf("got %v, want %v", got, want)
}
if got, want := r2.Div(r1), map[string]float64{"mem": 0.5, "cpu": 2 / 5, "disk": 3}; reflect.DeepEqual(got, want) {
t.Errorf("got %v, want %v", got, want)
}
}
func TestResourcesEqual(t *testing.T) {
for _, tt := range []struct{
a, b reflow.Resources
want bool
} {
{reflow.Resources{"mem": 10, "cpu": 5, "disk": 1}, reflow.Resources{"mem": 5, "cpu": 2, "disk": 3}, false},
{reflow.Resources{"mem": 0, "cpu": 0}, reflow.Resources{}, true},
{reflow.Resources{"mem": 0, "cpu": 0}, nil, true},
{reflow.Resources{}, nil, true},
} {
if got, want := tt.a.Equal(tt.b), tt.want; got != want {
t.Errorf("%s.Equal(%s): got %v, want %v", tt.a, tt.b, got, want)
}
}
}
func assertRequirements(t *testing.T, req reflow.Requirements, min, max reflow.Resources) {
t.Helper()
if got, want := req.Min, min; !got.Equal(want) {
t.Errorf("got %v, want %v", got, want)
}
if got, want := req.Max(), max; !got.Equal(want) {
t.Errorf("got %v, want %v", got, want)
}
}
func TestRequirements(t *testing.T) {
var req reflow.Requirements
req.AddSerial(reflow.Resources{"mem": 10, "cpu": 5, "disk": 5})
req.AddSerial(reflow.Resources{"mem": 20, "cpu": 3, "disk": 1})
assertRequirements(t, req,
reflow.Resources{"mem": 20, "cpu": 5, "disk": 5},
reflow.Resources{"mem": 20, "cpu": 5, "disk": 5})
req.AddParallel(reflow.Resources{"mem": 10, "cpu": 5, "disk": 1})
assertRequirements(t, req,
reflow.Resources{"mem": 20, "cpu": 5, "disk": 5},
reflow.Resources{"mem": 40, "cpu": 10, "disk": 10})
req = reflow.Requirements{Min: reflow.Resources{"mem": 2, "cpu": 1}, Width: 10}
assertRequirements(t, req, reflow.Resources{"mem": 2, "cpu": 1}, reflow.Resources{"mem": 22, "cpu": 11})
req = reflow.Requirements{}
req.AddSerial(reflow.Resources{"mem": 3, "cpu": 1})
assertRequirements(t, req, reflow.Resources{"mem": 3, "cpu": 1}, reflow.Resources{"mem": 3, "cpu": 1})
req.AddParallel(reflow.Resources{"mem": 5, "cpu": 2})
assertRequirements(t, req, reflow.Resources{"mem": 5, "cpu": 2}, reflow.Resources{"mem": 10, "cpu": 4})
req.AddParallel(reflow.Resources{"mem": 10, "cpu": 4})
assertRequirements(t, req, reflow.Resources{"mem": 10, "cpu": 4}, reflow.Resources{"mem": 30, "cpu": 12})
req = reflow.Requirements{}
req.AddParallel(reflow.Resources{"mem": 5, "cpu": 2})
assertRequirements(t, req, reflow.Resources{"mem": 5, "cpu": 2}, reflow.Resources{"mem": 5, "cpu": 2})
req.AddParallel(reflow.Resources{"mem": 5, "cpu": 2})
assertRequirements(t, req, reflow.Resources{"mem": 5, "cpu": 2}, reflow.Resources{"mem": 10, "cpu": 4})
}
func TestDivAndMaxRatio(t *testing.T) {
for _, tt := range []struct {
r, s reflow.Resources
rDivS, sDivR map[string]float64
rToS, sToR float64
}{
{
reflow.Resources{}, reflow.Resources{"mem": 5, "cpu": 10},
map[string]float64{}, map[string]float64{},
0.0, 0.0,
},
{
reflow.Resources{"mem": 1}, reflow.Resources{"mem": 5, "cpu": 10},
map[string]float64{"mem": 0.2}, map[string]float64{"mem": 5},
0.2, 5,
},
{
reflow.Resources{"cpu": 2}, reflow.Resources{"mem": 10, "cpu": 8},
map[string]float64{"cpu": 0.25}, map[string]float64{"cpu": 4},
0.25, 4,
},
{
reflow.Resources{"mem": 5, "cpu": 2}, reflow.Resources{"mem": 10, "cpu": 10},
map[string]float64{"mem": 0.5, "cpu": 0.2}, map[string]float64{"mem": 2, "cpu": 5},
0.5, 5,
},
{
reflow.Resources{"mem": 10, "cpu": 10}, reflow.Resources{"mem": 100, "cpu": 10},
map[string]float64{"mem": 0.1, "cpu": 1.0}, map[string]float64{"mem": 10, "cpu": 1.0},
1.0, 10,
},
{
reflow.Resources{"mem": 32, "cpu": 8}, reflow.Resources{"mem": 128, "cpu": 16},
map[string]float64{"mem": 0.25, "cpu": 0.5}, map[string]float64{"mem": 4, "cpu": 2},
0.5, 4,
},
} {
if got, want := tt.r.Div(tt.s), tt.rDivS; !mapEqual(got, want) {
t.Errorf("got %v, want %v", got, want)
}
if got, want := tt.s.Div(tt.r), tt.sDivR; !mapEqual(got, want) {
t.Errorf("got %v, want %v", got, want)
}
if got, want := tt.r.MaxRatio(tt.s), tt.rToS; got != want {
t.Errorf("got %v, want %v", got, want)
}
if got, want := tt.s.MaxRatio(tt.r), tt.sToR; got != want {
t.Errorf("got %v, want %v", got, want)
}
}
}
func mapEqual(r, s map[string]float64) bool {
for key, val := range s {
if r[key] != val {
return false
}
}
for key, val :
334F
= range r {
if s[key] != val {
return false
}
}
return true
}