func TestMatcherMappingOrder(t *testing.T) {
elem := element.Relation{}
polys := mapping.PolygonMatcher()
/*
landusages mapping has the following order,
check that XxxMatcher always uses the first
amenity:
- university
landuse:
- forest
leisure:
- park
landuse:
- park
*/
elem.Tags = element.Tags{"landuse": "forest", "leisure": "park"}
matchesEqual(t, []Match{{"landuse", "forest", DestTable{Name: "landusages"}, nil}}, polys.MatchRelation(&elem))
elem.Tags = element.Tags{"landuse": "park", "leisure": "park"}
matchesEqual(t, []Match{{"leisure", "park", DestTable{Name: "landusages"}, nil}}, polys.MatchRelation(&elem))
elem.Tags = element.Tags{"landuse": "park", "leisure": "park", "amenity": "university"}
matchesEqual(t, []Match{{"amenity", "university", DestTable{Name: "landusages"}, nil}}, polys.MatchRelation(&elem))
}
func TestSelectRelationPolygonsMultiple(t *testing.T) {
mapping, err := NewMapping("test_mapping.json")
if err != nil {
t.Fatal(err)
}
r := element.Relation{}
r.Tags = element.Tags{"landuse": "park"}
r.Members = []element.Member{
makeMember(0, element.Tags{"landuse": "park"}),
makeMember(1, element.Tags{"natural": "forest"}),
makeMember(2, element.Tags{"landuse": "park"}),
makeMember(3, element.Tags{"highway": "pedestrian"}),
makeMember(4, element.Tags{"landuse": "park", "layer": "2", "name": "foo"}),
}
filtered := SelectRelationPolygons(
mapping.PolygonMatcher(),
&r,
)
if len(filtered) != 3 {
t.Fatal(filtered)
}
if filtered[0].Id != 0 || filtered[1].Id != 2 || filtered[2].Id != 4 {
t.Fatal(filtered)
}
}
func PrepareRelation(rel *element.Relation, srid int) (*preparedRelation, error) {
rings, err := BuildRings(rel)
if err != nil {
return nil, err
}
rel.Tags = relationTags(rel.Tags, rings[0].ways[0].Tags)
return &preparedRelation{rings, rel, srid}, nil
}
// PrepareRelation is the first step in building a (multi-)polygon of a Relation.
// It builds rings from all ways and returns an error if there are unclosed rings.
// It also merges the Relation.Tags with the Tags of the outer way.
func PrepareRelation(rel *element.Relation, srid int, maxRingGap float64) (PreparedRelation, error) {
rings, err := buildRings(rel, maxRingGap)
if err != nil {
return PreparedRelation{}, err
}
rel.Tags = relationTags(rel.Tags, rings[0].ways[0].Tags)
return PreparedRelation{rings, rel, srid}, nil
}
// PrepareRelation is the first step in building a (multi-)polygon of a Relation.
// It builds rings from all ways and returns an error if there are unclosed rings.
// It also merges the Relation.Tags with the Tags of the outer way.
func PrepareRelation(rel *element.Relation, srid int, maxRingGap float64) (PreparedRelation, error) {
rings, err := buildRings(rel, maxRingGap)
if err != nil {
return PreparedRelation{}, err
}
if rel.Tags["type"] == "multipolygon" && len(rel.Tags) == 1 {
rel.Tags = relationTags(rel.Tags, rings[0].ways[0].Tags) //merge the Relation.Tags with the Tags of the outer way was removed
}
return PreparedRelation{rings, rel, srid}, nil
}
func TestPolygonMatcher(t *testing.T) {
elem := element.Relation{}
polys := mapping.PolygonMatcher()
elem.Tags = element.Tags{"unknown": "baz"}
matchesEqual(t, []Match{}, polys.MatchRelation(&elem))
elem.Tags = element.Tags{"landuse": "unknowns"}
matchesEqual(t, []Match{}, polys.MatchRelation(&elem))
elem.Tags = element.Tags{"building": "yes"}
matchesEqual(t, []Match{{"building", "yes", DestTable{"buildings", ""}, nil}}, polys.MatchRelation(&elem))
elem.Tags = element.Tags{"building": "residential"}
matchesEqual(t, []Match{{"building", "residential", DestTable{"buildings", ""}, nil}}, polys.MatchRelation(&elem))
elem.Tags = element.Tags{"building": "shop"}
matchesEqual(t, []Match{
{"building", "shop", DestTable{"buildings", ""}, nil},
{"building", "shop", DestTable{"amenity_areas", ""}, nil}},
polys.MatchRelation(&elem))
elem.Tags = element.Tags{"landuse": "farm"}
matchesEqual(t, []Match{{"landuse", "farm", DestTable{"landusages", ""}, nil}}, polys.MatchRelation(&elem))
elem.Tags = element.Tags{"landuse": "farm", "highway": "secondary"}
matchesEqual(t, []Match{{"landuse", "farm", DestTable{"landusages", ""}, nil}}, polys.MatchRelation(&elem))
elem.Tags = element.Tags{"landuse": "farm", "aeroway": "apron"}
matchesEqual(t,
[]Match{
{"aeroway", "apron", DestTable{"transport_areas", ""}, nil},
{"landuse", "farm", DestTable{"landusages", ""}, nil}},
polys.MatchRelation(&elem))
elem.Tags = element.Tags{"highway": "footway"}
matchesEqual(t, []Match{{"highway", "footway", DestTable{"landusages", ""}, nil}}, polys.MatchRelation(&elem))
elem.Tags = element.Tags{"boundary": "administrative", "admin_level": "8"}
matchesEqual(t, []Match{{"boundary", "administrative", DestTable{"admin", ""}, nil}}, polys.MatchRelation(&elem))
}
func BenchmarkTagMatch(b *testing.B) {
m, err := NewMapping("matcher_test_mapping.json")
if err != nil {
b.Fatal(err)
}
matcher := m.PolygonMatcher()
for i := 0; i < b.N; i++ {
e := element.Relation{}
e.Tags = element.Tags{"landuse": "forest", "name": "Forest", "source": "bling", "tourism": "zoo"}
if m := matcher.MatchRelation(&e); len(m) != 1 {
b.Fatal(m)
}
}
}
func BuildRelation(rel *element.Relation, srid int) error {
rings, err := BuildRings(rel)
if err != nil {
return err
}
rel.Tags = relationTags(rel.Tags, rings[0].ways[0].Tags)
_, err = BuildRelGeometry(rel, rings, srid)
if err != nil {
return err
}
return nil
}
func TestSelectRelationPolygonsMultipleTags(t *testing.T) {
mapping, err := NewMapping("test_mapping.json")
if err != nil {
t.Fatal(err)
}
r := element.Relation{}
r.Tags = element.Tags{"landuse": "forest", "natural": "scrub"}
r.Members = []element.Member{
makeMember(0, element.Tags{"natural": "scrub"}),
makeMember(1, element.Tags{"landuse": "forest"}),
}
filtered := SelectRelationPolygons(
mapping.PolygonMatcher(),
&r,
)
// TODO both should be filterd out, but we only get one,
// because we match only one tag per table
if len(filtered) != 1 {
t.Fatal(filtered)
}
}
func TestSelectRelationPolygonsUnrelatedTags(t *testing.T) {
mapping, err := NewMapping("test_mapping.json")
if err != nil {
t.Fatal(err)
}
r := element.Relation{}
r.Tags = element.Tags{"landuse": "park"}
r.Members = []element.Member{
makeMember(0, element.Tags{"landuse": "park", "layer": "2", "name": "foo"}),
makeMember(1, element.Tags{"landuse": "forest"}),
}
filtered := SelectRelationPolygons(
mapping.PolygonMatcher(),
&r,
)
if len(filtered) != 1 {
t.Fatal(filtered)
}
if filtered[0].Id != 0 {
t.Fatal(filtered)
}
}
func TestSelectRelationPolygonsSimple(t *testing.T) {
mapping, err := NewMapping("test_mapping.json")
if err != nil {
t.Fatal(err)
}
r := element.Relation{}
r.Tags = element.Tags{"landuse": "park"}
r.Members = []element.Member{
makeMember(0, element.Tags{"landuse": "forest"}),
makeMember(1, element.Tags{"landuse": "park"}),
makeMember(2, element.Tags{"waterway": "riverbank"}),
makeMember(4, element.Tags{"foo": "bar"}),
}
filtered := SelectRelationPolygons(
mapping.PolygonMatcher(),
&r,
)
if len(filtered) != 1 {
t.Fatal(filtered)
}
if filtered[0].Id != 1 {
t.Fatal(filtered[0])
}
}
func TestSelectRelationPolygonsMultipleTagsOnWay(t *testing.T) {
mapping, err := NewMapping("test_mapping.json")
if err != nil {
t.Fatal(err)
}
r := element.Relation{}
r.Tags = element.Tags{"waterway": "riverbank"}
r.Members = []element.Member{
makeMemberRole(0, element.Tags{"waterway": "riverbank", "natural": "water"}, "outer"),
makeMemberRole(1, element.Tags{"natural": "water"}, "inner"),
makeMemberRole(2, element.Tags{"place": "islet"}, "inner"),
}
filtered := SelectRelationPolygons(
mapping.PolygonMatcher(),
&r,
)
if len(filtered) != 1 {
t.Fatal(filtered)
}
if filtered[0].Id != 0 {
t.Fatal(filtered)
}
}