diff options
Diffstat (limited to 'jstests/aggregation/sources/geonear/mindistance_and_maxdistance.js')
| -rw-r--r-- | jstests/aggregation/sources/geonear/mindistance_and_maxdistance.js | 191 |
1 files changed, 98 insertions, 93 deletions
diff --git a/jstests/aggregation/sources/geonear/mindistance_and_maxdistance.js b/jstests/aggregation/sources/geonear/mindistance_and_maxdistance.js index 7c5e6c750f3..99262902d3e 100644 --- a/jstests/aggregation/sources/geonear/mindistance_and_maxdistance.js +++ b/jstests/aggregation/sources/geonear/mindistance_and_maxdistance.js @@ -2,98 +2,103 @@ * Tests the behavior of the $geoNear stage with varying values of 'minDistance' and 'maxDistance'. */ (function() { - "use strict"; - - const coll = db.getCollection("geonear_mindistance_maxdistance"); - - const kMaxDistance = Math.PI * 2.0; - - // Test points that are exactly at the "near" point, close to the point, and far from the point. - // Distances are purposely chosen to be small so that distances in meters and radians are close. - const origin = {pt: [0, 0]}; - const near = {pt: [0.23, -0.32]}; - const far = {pt: [5.9, 0.0]}; - - ["2d", "2dsphere"].forEach(geoType => { - jsTestLog(`Testing $geoNear with index {pt: "${geoType}"}`); - coll.drop(); - - // Create the desired index type and populate the collection. - assert.commandWorked(coll.createIndex({pt: geoType})); - [origin, near, far].forEach(doc => { - doc.distFromOrigin = (geoType === "2dsphere") ? Geo.sphereDistance(doc.pt, origin.pt) - : Geo.distance(doc.pt, origin.pt); - assert.commandWorked(coll.insert(doc)); - }); - - /** - * Helper function that runs a $geoNear aggregation near the origin, setting the minimum - * and/or maximum search distance using the object 'minMaxOpts', and asserting that the - * results match 'expected'. - */ - function assertGeoNearResults(minMaxOpts, expected) { - const geoNearStage = { - $geoNear: Object.extend( - {near: origin.pt, distanceField: "dist", spherical: (geoType === "2dsphere")}, - minMaxOpts) - }; - const projStage = {$project: {_id: 0, dist: 0}}; - const res = coll.aggregate([geoNearStage, projStage]).toArray(); - assert.eq( - res, - expected, - () => `Unexpected results from ${tojson(geoNearStage)} using a ${geoType} index`); - } - - // If no minimum nor maximum distance is set, all points are returned. - assertGeoNearResults({}, [origin, near, far]); - - // - // Tests for minDistance. - // - - // Negative values and non-numeric values are illegal. - assert.throws(() => assertGeoNearResults({minDistance: -1.1})); - assert.throws(() => assertGeoNearResults({minDistance: "3.2"})); - - // A minimum distance of 0 returns all points. - assertGeoNearResults({minDistance: -0.0}, [origin, near, far]); - assertGeoNearResults({minDistance: 0.0}, [origin, near, far]); - - // Larger minimum distances exclude closer points. - assertGeoNearResults({minDistance: (near.distFromOrigin / 2)}, [near, far]); - assertGeoNearResults({minDistance: (far.distFromOrigin / 2)}, [far]); - assertGeoNearResults({minDistance: kMaxDistance}, []); - - // - // Tests for maxDistance. - // - - // Negative values and non-numeric values are illegal. - assert.throws(() => assertGeoNearResults({maxDistance: -1.1})); - assert.throws(() => assertGeoNearResults({maxDistance: "3.2"})); - - // A maximum distance of 0 returns only the origin. - assertGeoNearResults({maxDistance: 0.0}, [origin]); - assertGeoNearResults({maxDistance: -0.0}, [origin]); - - // Larger maximum distances include more points. - assertGeoNearResults({maxDistance: (near.distFromOrigin + 0.01)}, [origin, near]); - assertGeoNearResults({maxDistance: (far.distFromOrigin + 0.01)}, [origin, near, far]); - - // - // Tests for minDistance and maxDistance together. - // - - // Cast a wide net and all points should be returned. - assertGeoNearResults({minDistance: 0.0, maxDistance: kMaxDistance}, [origin, near, far]); - - // A narrower range excludes the origin and the far point. - assertGeoNearResults( - {minDistance: (near.distFromOrigin / 2), maxDistance: (near.distFromOrigin + 0.01)}, - [near]); - - // An impossible range is legal but returns no results. - assertGeoNearResults({minDistance: 3.0, maxDistance: 1.0}, []); +"use strict"; + +const coll = db.getCollection("geonear_mindistance_maxdistance"); + +const kMaxDistance = Math.PI * 2.0; + +// Test points that are exactly at the "near" point, close to the point, and far from the point. +// Distances are purposely chosen to be small so that distances in meters and radians are close. +const origin = { + pt: [0, 0] +}; +const near = { + pt: [0.23, -0.32] +}; +const far = { + pt: [5.9, 0.0] +}; + +["2d", "2dsphere"].forEach(geoType => { + jsTestLog(`Testing $geoNear with index {pt: "${geoType}"}`); + coll.drop(); + + // Create the desired index type and populate the collection. + assert.commandWorked(coll.createIndex({pt: geoType})); + [origin, near, far].forEach(doc => { + doc.distFromOrigin = (geoType === "2dsphere") ? Geo.sphereDistance(doc.pt, origin.pt) + : Geo.distance(doc.pt, origin.pt); + assert.commandWorked(coll.insert(doc)); }); + + /** + * Helper function that runs a $geoNear aggregation near the origin, setting the minimum + * and/or maximum search distance using the object 'minMaxOpts', and asserting that the + * results match 'expected'. + */ + function assertGeoNearResults(minMaxOpts, expected) { + const geoNearStage = { + $geoNear: Object.extend( + {near: origin.pt, distanceField: "dist", spherical: (geoType === "2dsphere")}, + minMaxOpts) + }; + const projStage = {$project: {_id: 0, dist: 0}}; + const res = coll.aggregate([geoNearStage, projStage]).toArray(); + assert.eq(res, + expected, + () => `Unexpected results from ${tojson(geoNearStage)} using a ${geoType} index`); + } + + // If no minimum nor maximum distance is set, all points are returned. + assertGeoNearResults({}, [origin, near, far]); + + // + // Tests for minDistance. + // + + // Negative values and non-numeric values are illegal. + assert.throws(() => assertGeoNearResults({minDistance: -1.1})); + assert.throws(() => assertGeoNearResults({minDistance: "3.2"})); + + // A minimum distance of 0 returns all points. + assertGeoNearResults({minDistance: -0.0}, [origin, near, far]); + assertGeoNearResults({minDistance: 0.0}, [origin, near, far]); + + // Larger minimum distances exclude closer points. + assertGeoNearResults({minDistance: (near.distFromOrigin / 2)}, [near, far]); + assertGeoNearResults({minDistance: (far.distFromOrigin / 2)}, [far]); + assertGeoNearResults({minDistance: kMaxDistance}, []); + + // + // Tests for maxDistance. + // + + // Negative values and non-numeric values are illegal. + assert.throws(() => assertGeoNearResults({maxDistance: -1.1})); + assert.throws(() => assertGeoNearResults({maxDistance: "3.2"})); + + // A maximum distance of 0 returns only the origin. + assertGeoNearResults({maxDistance: 0.0}, [origin]); + assertGeoNearResults({maxDistance: -0.0}, [origin]); + + // Larger maximum distances include more points. + assertGeoNearResults({maxDistance: (near.distFromOrigin + 0.01)}, [origin, near]); + assertGeoNearResults({maxDistance: (far.distFromOrigin + 0.01)}, [origin, near, far]); + + // + // Tests for minDistance and maxDistance together. + // + + // Cast a wide net and all points should be returned. + assertGeoNearResults({minDistance: 0.0, maxDistance: kMaxDistance}, [origin, near, far]); + + // A narrower range excludes the origin and the far point. + assertGeoNearResults( + {minDistance: (near.distFromOrigin / 2), maxDistance: (near.distFromOrigin + 0.01)}, + [near]); + + // An impossible range is legal but returns no results. + assertGeoNearResults({minDistance: 3.0, maxDistance: 1.0}, []); +}); }()); |