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optimize_test.go
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optimize_test.go
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// Copyright ©2017 The ezgliding Authors.
//
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package igc
import (
"math"
"testing"
)
const (
errorMargin float64 = 0.02
)
type optimizeTest struct {
name string
result map[int]float64
margin float64
}
func (t *optimizeTest) validWithMargin(result float64, nTp int, errorMargin float64) bool {
difference := math.Abs(t.result[nTp] - result)
maxDifference := t.result[nTp] * errorMargin
return difference < maxDifference
}
func (t *optimizeTest) valid(result float64, nTp int) bool {
return t.validWithMargin(result, nTp, errorMargin)
}
var benchmarkTests = []optimizeTest{
{
name: "optimize-short-flight-1",
result: map[int]float64{1: 35.44619896425489},
},
}
var optimizeTests = []optimizeTest{
{
name: "optimize-short-flight-1",
result: map[int]float64{1: 35.44619896425489, 2: 0.0, 3: 507.80108709626626},
},
}
type distanceTest struct {
t string
task Task
distance float64
}
var distanceTests = []distanceTest{
{
t: "all-points-the-same-distance-zero",
task: Task{
Start: NewPointFromDMD("4453183N", "00512633E"),
Turnpoints: []Point{NewPointFromDMD("4453183N", "00512633E")},
Finish: NewPointFromDMD("4453183N", "00512633E"),
},
distance: 0.0,
},
{
t: "valid-task-sequence",
task: Task{
Start: NewPointFromDMD("4453183N", "00512633E"),
Turnpoints: []Point{
NewPointFromDMD("4353800N", "00615200E"),
NewPointFromDMD("4506750N", "00633950E"),
NewPointFromDMD("4424783N", "00644500E"),
},
Finish: NewPointFromDMD("4505550N", "00502883E"),
},
distance: 507.80108709626626,
},
}
func TestDistance(t *testing.T) {
var result float64
for _, test := range distanceTests {
t.Run(test.t, func(t *testing.T) {
result = Distance(test.task)
if result != test.distance {
t.Errorf("expected %v got %v", test.distance, result)
}
})
}
}