47 lines
1.8 KiB
JavaScript
47 lines
1.8 KiB
JavaScript
// Test that the $match stage respects the collation.
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(function() {
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"use strict";
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var caseInsensitive = {collation: {locale: "en_US", strength: 2}};
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var coll = db.collation_match;
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coll.drop();
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assert.writeOK(coll.insert({a: "a"}));
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// Test that the $match respects an explicit collation when it can be pushed down into the query
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// layer.
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assert.eq(1, coll.aggregate([{$match: {a: "A"}}], caseInsensitive).itcount());
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// Test that the $match respects an explicit collation when it cannot be pushed down into the
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// query layer.
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assert.eq(
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1, coll.aggregate([{$project: {b: "B"}}, {$match: {b: "b"}}], caseInsensitive).itcount());
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// Test that $match inside a $facet respects the collation.
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assert.eq(1,
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coll.aggregate([{$facet: {fct: [{$match: {a: "A"}}]}}], caseInsensitive)
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.toArray()[0]
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.fct.length);
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// Test that when a $match can be split to be part before the $unwind and part after, both
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// pieces of the split respect the collation.
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coll.drop();
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assert.writeOK(coll.insert({a: "foo", b: ["bar"]}));
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assert.eq(1,
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coll.aggregate([{$limit: 1}, {$unwind: "$b"}, {$match: {a: "FOO", b: "BAR"}}],
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caseInsensitive)
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.itcount());
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coll.drop();
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assert.commandWorked(db.createCollection(coll.getName(), caseInsensitive));
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assert.writeOK(coll.insert({a: "a"}));
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// Test that the $match respects the inherited collation when it can be pushed down into the
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// query layer.
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assert.eq(1, coll.aggregate([{$match: {a: "A"}}]).itcount());
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// Test that the $match respects the inherited collation when it cannot be pushed down into the
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// query layer.
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assert.eq(1, coll.aggregate([{$project: {b: "B"}}, {$match: {b: "b"}}]).itcount());
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})();
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