57 lines
1.7 KiB
JavaScript
57 lines
1.7 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.runCommand(
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{ aggregate: "s6147", pipeline : [
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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.result, s6147result, 's6147 failed');
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