mirror of https://github.com/mongodb/mongo
72 lines
2.0 KiB
JavaScript
72 lines
2.0 KiB
JavaScript
// Test $bottom expression.
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/**
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* @tags: [
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* requires_fcv_83
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* ]
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*/
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import "jstests/libs/query/sbe_assert_error_override.js";
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import {assertErrorCode} from "jstests/aggregation/extras/utils.js";
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let coll = db.bottom_expr;
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coll.drop();
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// Need to have at least one document to ensure the pipeline executes
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assert.commandWorked(coll.insert({}));
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function testBottomNoSort(inputArray, expArray) {
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let pipeline = [{$project: {_id: 0, bottom: {$bottom: {input: inputArray}}}}];
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assert.eq(coll.aggregate(pipeline).toArray(), [{bottom: expArray}]);
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}
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function testBottomWithSort(inputArray, sortBy, expArray) {
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let pipeline = [{$project: {_id: 0, bottom: {$bottom: {input: inputArray, sortBy: sortBy}}}}];
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assert.eq(coll.aggregate(pipeline).toArray(), [{bottom: expArray}]);
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}
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// Testing without sort spec
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testBottomNoSort([], null);
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testBottomNoSort([0, 1, 2, 3, 4], 4);
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// Testing mixed types
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testBottomNoSort([0, 1, 2, 3, 4, "a", "b", "c"], "c");
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testBottomNoSort([0, "a", [1, "b"], {c: 2}, 0.5], [1, "b"]);
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// Testing with sort spec
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testBottomWithSort([0, 1, 2, 3, 4], 1, 4);
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testBottomWithSort([0, 1, 2, 3, 4], -1, 0);
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testBottomWithSort([0, "a", [1, "b"], {c: 2}, 0.5], -1, 0);
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// Testing nested types
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testBottomWithSort(
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[
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[1, 2],
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[3, [1, 1]],
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[3, 6],
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],
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1,
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[3, [1, 1]],
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);
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testBottomWithSort(
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[
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{a: 1, b: 1},
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{a: 2, b: 2},
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{a: 2, b: 1},
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],
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{a: 1, b: -1}, // Ascending a then descending b
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{a: 2, b: 1},
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);
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// Error cases
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// Bottom requires an object
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assertErrorCode(coll, [{$project: {x: {$bottom: 0}}}], 7212122);
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// Input is required
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assertErrorCode(coll, [{$project: {x: {$bottom: {sortBy: 1}}}}], 7212124);
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// Input argument is not an array
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assertErrorCode(coll, [{$project: {x: {$bottom: {input: "one"}}}}], 721217);
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assertErrorCode(coll, [{$project: {x: {$bottom: {input: 1}}}}], 721217);
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// Sortby argument is not a sort spec
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assertErrorCode(coll, [{$project: {x: {$bottom: {input: [1, 2, 3], sortBy: "a"}}}}], 2942507);
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