imposm3/cache/diff_test.go

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package cache
import (
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"io/ioutil"
"os"
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"testing"
)
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func TestInsertRefs(t *testing.T) {
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refs := make([]int64, 0, 1)
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refs = insertRefs(refs, 1)
if refs[0] != 1 {
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t.Fatal(refs)
}
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refs = insertRefs(refs, 10)
if refs[0] != 1 && refs[1] != 10 {
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t.Fatal(refs)
}
// insert twice
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refs = insertRefs(refs, 10)
if refs[0] != 1 && refs[1] != 10 {
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t.Fatal(refs)
}
// insert before
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refs = insertRefs(refs, 0)
if refs[0] != 0 && refs[1] != 1 && refs[2] != 10 {
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t.Fatal(refs)
}
// insert after
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refs = insertRefs(refs, 12)
if refs[0] != 0 && refs[1] != 1 && refs[2] != 10 && refs[3] != 12 {
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t.Fatal(refs)
}
// insert between
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refs = insertRefs(refs, 11)
if refs[0] != 0 && refs[1] != 1 && refs[2] != 10 && refs[3] != 11 && refs[4] != 12 {
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t.Fatal(refs)
}
}
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// TODO write test for (Un)MarshalBunch
// func TestMarshalRefs(t *testing.T) {
// refs := []int64{1890166659, -1890166659, 0, 1890166, 1890167, 1890167, 1890165}
// buf := MarshalRefs(refs)
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// t.Log(len(refs), len(buf))
// result := UnmarshalRefs(buf)
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// if len(result) != len(refs) {
// t.Fatal(result)
// }
// for i, ref := range refs {
// if result[i] != ref {
// t.Fatal(result)
// }
// }
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// }
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func TestWriteDiff(t *testing.T) {
cache_dir, _ := ioutil.TempDir("", "goposm_test")
defer os.RemoveAll(cache_dir)
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cache, err := newRefIndex(cache_dir, &globalCacheOptions.CoordsIndex)
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if err != nil {
t.Fatal()
}
for w := 0; w < 5; w++ {
for n := 0; n < 200; n++ {
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cache.buffer.add(cache.getBunchId(int64(n)), int64(n), int64(w))
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}
}
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cache.Close()
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cache, err = newRefIndex(cache_dir, &globalCacheOptions.CoordsIndex)
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if err != nil {
t.Fatal(err)
}
defer cache.Close()
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for n := 0; n < 200; n++ {
refs := cache.Get(int64(n))
if len(refs) != 5 {
t.Fatal(refs)
}
}
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}
func BenchmarkWriteDiff(b *testing.B) {
b.StopTimer()
cache_dir, _ := ioutil.TempDir("", "goposm_test")
defer os.RemoveAll(cache_dir)
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cache, err := newRefIndex(cache_dir, &globalCacheOptions.CoordsIndex)
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if err != nil {
b.Fatal()
}
defer cache.Close()
b.StartTimer()
for i := 0; i < b.N; i++ {
for w := 0; w < 5; w++ {
for n := 0; n < 200; n++ {
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cache.buffer.add(1, int64(n), int64(w))
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}
}
}
}