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package mountain_pass
import (
"io"
"strings"
"testing"
"github.com/paulmach/osm"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestIsMountainPass(t *testing.T) {
cases := []struct {
name string
tags map[string]string
want bool
}{
{"tagged", map[string]string{"mountain_pass": "yes", "name": "Col de la Gineste"}, true},
{"legacy natural", map[string]string{"natural": "mountain_pass"}, true},
{"not a pass", map[string]string{"natural": "saddle", "name": "Col de la Gineste"}, false},
{"no tags", map[string]string{}, false},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
node := &osm.Node{Tags: osm.Tags{}}
for key, value := range c.tags {
node.Tags = append(node.Tags, osm.Tag{Key: key, Value: value})
}
assert.Equal(t, c.want, isMountainPass(node))
})
}
}
func TestParseElevation(t *testing.T) {
cases := []struct {
input string
want int
ok bool
}{
{"1320", 1320, true},
{"1320 m", 1320, true},
{" 447.5", 447, true},
{"", 0, false},
{"unknown", 0, false},
}
for _, c := range cases {
value, ok := parseElevation(c.input)
assert.Equal(t, c.want, value)
assert.Equal(t, c.ok, ok)
}
}
func TestCountingReaderTracksBytes(t *testing.T) {
const content = "0123456789abcdef"
reader := &countingReader{r: strings.NewReader(content)}
buf := make([]byte, 4)
var total int64
for {
n, err := reader.Read(buf)
total += int64(n)
require.Equal(t, total, reader.n)
if err == io.EOF {
break
}
require.NoError(t, err)
}
assert.Equal(t, int64(len(content)), reader.n)
}
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