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// See: SERVER-9240, SERVER-9401.
// s2 rejects shapes with duplicate adjacent points as invalid, but they are
// valid in GeoJSON. We store the duplicates, but internally remove them
// before indexing or querying.
t = db.geo_s2dupe_points;
t.drop();
t.ensureIndex({geo: "2dsphere"});
function testDuplicates(shapeName, shapeWithDupes, shapeWithoutDupes) {
// insert a doc with dupes
assert.writeOK(t.insert(shapeWithDupes));
// duplicates are preserved when the document is fetched by _id
assert.eq(shapeWithDupes, t.findOne({_id: shapeName}));
assert.neq(shapeWithoutDupes, t.findOne({_id: shapeName}).geo);
// can query with $geoIntersects inserted doc using both the duplicated and de-duplicated docs
assert.eq(t.find({ geo: { $geoIntersects: { $geometry : shapeWithDupes.geo } } } ).itcount(), 1);
assert.eq(t.find({ geo: { $geoIntersects: { $geometry : shapeWithoutDupes } } } ).itcount(), 1);
// direct document equality in queries is preserved
assert.eq(t.find({ geo: shapeWithoutDupes} ).itcount(), 0);
assert.eq(t.find({ geo: shapeWithDupes.geo } ).itcount(), 1);
}
// LineString
var lineWithDupes = { _id: "line", geo: { type: "LineString",
coordinates: [ [40,5], [40,5], [ 40, 5], [41, 6], [41,6] ]
}
};
var lineWithoutDupes = { type: "LineString", coordinates: [ [40,5], [41,6] ] };
// Polygon
var polygonWithDupes = { _id: "poly", geo: { type: "Polygon",
coordinates: [
[ [-3.0, -3.0], [3.0, -3.0], [3.0, 3.0], [-3.0, 3.0], [-3.0, -3.0] ],
[ [-2.0, -2.0], [2.0, -2.0], [2.0, 2.0], [-2.0, 2.0], [-2.0, -2.0], [-2.0, -2.0] ]
] }
};
var polygonWithoutDupes = { type: "Polygon",
coordinates: [
[ [-3.0, -3.0], [3.0, -3.0], [3.0, 3.0], [-3.0, 3.0], [-3.0, -3.0] ],
[ [-2.0, -2.0], [2.0, -2.0], [2.0, 2.0], [-2.0, 2.0], [-2.0, -2.0] ]
]
};
// MultiPolygon
var multiPolygonWithDupes = { _id: "multi", geo: { type: "MultiPolygon", coordinates: [
[
[ [102.0, 2.0], [103.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0] ]
],
[
[ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ],
[ [100.2, 0.2], [100.8, 0.2], [100.8, 0.8], [100.8, 0.8], [100.8, 0.8], [100.2, 0.8], [100.2, 0.2] ]
]
]
} };
var multiPolygonWithoutDupes = { type: "MultiPolygon", coordinates: [
[
[ [102.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0] ]
],
[
[ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ],
[ [100.2, 0.2], [100.8, 0.2], [100.8, 0.8], [100.2, 0.8], [100.2, 0.2] ]
]
]
};
testDuplicates("line", lineWithDupes, lineWithoutDupes);
testDuplicates("poly", polygonWithDupes, polygonWithoutDupes);
testDuplicates("multi", multiPolygonWithDupes, multiPolygonWithoutDupes);
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