56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
/*
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* SERVER-6147 : aggregation $ne expression applied to constant returns incorrect result
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*
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* This test validates the SERVER-6147 ticket. Return true when comparing a constant to a field
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* containing a different value using $ne. Previously it would return false when comparing a
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* constant and a field regardless of whether they were equal or not.
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*/
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/*
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* 1) Clear and create testing db
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* 2) Run an aggregation with $ne comparing constants and fields in various configurations
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* 3) Assert that the result is what we expected
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*/
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// Clear db
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db.s6147.drop();
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// Populate db
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db.s6147.save({a: 1});
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db.s6147.save({a: 2});
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// Aggregate checking various combinations of the constant and the field
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var s6147 = db.s6147.aggregate({
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$project: {
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_id: 0,
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constantAndField: {$ne: [1, "$a"]},
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fieldAndConstant: {$ne: ["$a", 1]},
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constantAndConstant: {$ne: [1, 1]},
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fieldAndField: {$ne: ["$a", "$a"]}
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}
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});
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/*
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* In both documents the constantAndConstant and fieldAndField should be false since they compare
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* something with itself but the constantAndField and fieldAndConstant should be different as
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* document one contains 1 which should return false and document 2 contains something different so
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* should return true
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*/
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var s6147result = [
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{
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constantAndField: false,
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fieldAndConstant: false,
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constantAndConstant: false,
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fieldAndField: false
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},
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{
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constantAndField: true,
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fieldAndConstant: true,
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constantAndConstant: false,
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fieldAndField: false
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}
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];
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// Assert
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assert.eq(s6147.toArray(), s6147result, 's6147 failed');
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