From 2149879ac34bb06d1410324de9a3a55d0970a89c Mon Sep 17 00:00:00 2001
From: Harishankar Narayanan <nharishankar@gmail.com>
Date: Tue, 10 Dec 2024 10:26:14 +0530
Subject: [PATCH] refactor: Simplify operator retrieval by introducing
 get_operator method

---
 Cargo.toml       |   1 -
 src/lib.rs       |  82 ++++----
 tests/tests.json | 532 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 574 insertions(+), 41 deletions(-)
 create mode 100644 tests/tests.json

diff --git a/Cargo.toml b/Cargo.toml
index 750f2bf..10708fb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,6 @@ keywords = ["rules", "engine", "json", "logic"]
 categories = ["data-structures", "development-tools", "parsing"]
 
 [dependencies]
-serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 thiserror = "1.0"
 
diff --git a/src/lib.rs b/src/lib.rs
index 454be63..f457e61 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -119,6 +119,47 @@ impl JsonLogic {
         }
     }
 
+    fn get_operator(&self, op: &str) -> Result<&dyn Operator, Error> {
+        match op {
+            "var" => Ok(&*self.var_op),
+            "==" => Ok(&*self.eq_op),
+            "===" => Ok(&*self.strict_eq_op),
+            ">" => Ok(&*self.gt_op),
+            "<" => Ok(&*self.lt_op),
+            "and" => Ok(&*self.and_op),
+            "or" => Ok(&*self.or_op),
+            "!" => Ok(&*self.not_op),
+            "map" => Ok(&*self.map_op),
+            "filter" => Ok(&*self.filter_op),
+            "reduce" => Ok(&*self.reduce_op),
+            "!=" => Ok(&*self.not_eq_op),
+            "!==" => Ok(&*self.strict_not_eq_op),
+            ">=" => Ok(&*self.gt_eq_op),
+            "<=" => Ok(&*self.lt_eq_op),
+            "?:" => Ok(&*self.ternary_op),
+            "!!" => Ok(&*self.double_bang_op),
+            "if" => Ok(&*self.if_op),
+            "merge" => Ok(&*self.merge_op),
+            "missing" => Ok(&*self.missing_op),
+            "missing_some" => Ok(&*self.missing_some_op),
+            "all" => Ok(&*self.all_op),
+            "none" => Ok(&*self.none_op),
+            "some" => Ok(&*self.some_op),
+            "preserve" => Ok(&*self.preserve_op),
+            "in" => Ok(&*self.in_op),
+            "cat" => Ok(&*self.cat_op),
+            "substr" => Ok(&*self.substr_op),
+            "+" => Ok(&*self.add_op),
+            "*" => Ok(&*self.multiply_op),
+            "-" => Ok(&*self.subtract_op),
+            "/" => Ok(&*self.divide_op),
+            "%" => Ok(&*self.modulo_op),
+            "max" => Ok(&*self.max_op),
+            "min" => Ok(&*self.min_op),
+            _ => Err(Error::UnknownOperator(op.to_string())),
+        }
+    }
+
     pub fn apply(&self, logic: &Value, data: &Value) -> JsonLogicResult {
         match logic {
             Value::String(_) | Value::Number(_) | Value::Bool(_) | Value::Null => {
@@ -126,46 +167,7 @@ impl JsonLogic {
             }
             Value::Object(map) if map.len() == 1 => {
                 let (op, args) = map.iter().next().unwrap();
-                let operator: &dyn Operator = match op.as_str() {
-                    "var" => &*self.var_op,
-                    "==" => &*self.eq_op,
-                    "===" => &*self.strict_eq_op,
-                    ">" => &*self.gt_op,
-                    "<" => &*self.lt_op,
-                    "and" => &*self.and_op,
-                    "or" => &*self.or_op,
-                    "!" => &*self.not_op,
-                    "map" => &*self.map_op,
-                    "filter" => &*self.filter_op,
-                    "reduce" => &*self.reduce_op,
-                    "!=" => &*self.not_eq_op,
-                    "!==" => &*self.strict_not_eq_op,
-                    ">=" => &*self.gt_eq_op,
-                    "<=" => &*self.lt_eq_op,
-                    "?:" => &*self.ternary_op,
-                    "!!" => &*self.double_bang_op,
-                    "if" => &*self.if_op,
-                    "merge" => &*self.merge_op,
-                    "missing" => &*self.missing_op,
-                    "missing_some" => &*self.missing_some_op,
-                    "all" => &*self.all_op,
-                    "none" => &*self.none_op,
-                    "some" => &*self.some_op,
-                    "preserve" => &*self.preserve_op,
-                    "in" => &*self.in_op,
-                    "cat" => &*self.cat_op,
-                    "substr" => &*self.substr_op,
-                    "+" => &*self.add_op,
-                    "*" => &*self.multiply_op,
-                    "-" => &*self.subtract_op,
-                    "/" => &*self.divide_op,
-                    "%" => &*self.modulo_op,
-                    "max" => &*self.max_op,
-                    "min" => &*self.min_op,
-                    _ => {
-                        return Err(Error::UnknownOperator(op.clone()));
-                    }                
-                };
+                let operator: &dyn Operator = self.get_operator(op)?;
 
                 if operator.auto_traverse() {
                     match args {
diff --git a/tests/tests.json b/tests/tests.json
new file mode 100644
index 0000000..d1c9c4f
--- /dev/null
+++ b/tests/tests.json
@@ -0,0 +1,532 @@
+[
+    "# Non-rules get passed through",
+    [ true, {}, true ],
+    [ false, {}, false ],
+    [ 17, {}, 17 ],
+    [ 3.14, {}, 3.14 ],
+    [ "apple", {}, "apple" ],
+    [ null, {}, null ],
+    [ ["a","b"], {}, ["a","b"] ],
+
+    "# Single operator tests",
+    [ {"==":[1,1]}, {}, true ],
+    [ {"==":[1,"1"]}, {}, true ],
+    [ {"==":[1,2]}, {}, false ],
+    [ {"===":[1,1]}, {}, true ],
+    [ {"===":[1,"1"]}, {}, false ],
+    [ {"===":[1,2]}, {}, false ],
+    [ {"!=":[1,2]}, {}, true ],
+    [ {"!=":[1,1]}, {}, false ],
+    [ {"!=":[1,"1"]}, {}, false ],
+    [ {"!==":[1,2]}, {}, true ],
+    [ {"!==":[1,1]}, {}, false ],
+    [ {"!==":[1,"1"]}, {}, true ],
+    [ {">":[2,1]}, {}, true ],
+    [ {">":[1,1]}, {}, false ],
+    [ {">":[1,2]}, {}, false ],
+    [ {">":["2",1]}, {}, true ],
+    [ {">=":[2,1]}, {}, true ],
+    [ {">=":[1,1]}, {}, true ],
+    [ {">=":[1,2]}, {}, false ],
+    [ {">=":["2",1]}, {}, true ],
+    [ {"<":[2,1]}, {}, false ],
+    [ {"<":[1,1]}, {}, false ],
+    [ {"<":[1,2]}, {}, true ],
+    [ {"<":["1",2]}, {}, true ],
+    [ {"<":[1,2,3]}, {}, true ],
+    [ {"<":[1,1,3]}, {}, false ],
+    [ {"<":[1,4,3]}, {}, false ],
+    [ {"<=":[2,1]}, {}, false ],
+    [ {"<=":[1,1]}, {}, true ],
+    [ {"<=":[1,2]}, {}, true ],
+    [ {"<=":["1",2]}, {}, true ],
+    [ {"<=":[1,2,3]}, {}, true ],
+    [ {"<=":[1,4,3]}, {}, false ],
+    [ {"!":[false]}, {}, true ],
+    [ {"!":false}, {}, true ],
+    [ {"!":[true]}, {}, false ],
+    [ {"!":true}, {}, false ],
+    [ {"!":0}, {}, true ],
+    [ {"!":1}, {}, false ],
+    [ {"or":[true,true]}, {}, true ],
+    [ {"or":[false,true]}, {}, true ],
+    [ {"or":[true,false]}, {}, true ],
+    [ {"or":[false,false]}, {}, false ],
+    [ {"or":[false,false,true]}, {}, true ],
+    [ {"or":[false,false,false]}, {}, false ],
+    [ {"or":[false]}, {}, false ],
+    [ {"or":[true]}, {}, true ],
+    [ {"or":[1,3]}, {}, 1 ],
+    [ {"or":[3,false]}, {}, 3 ],
+    [ {"or":[false,3]}, {}, 3 ],
+    [ {"and":[true,true]}, {}, true ],
+    [ {"and":[false,true]}, {}, false ],
+    [ {"and":[true,false]}, {}, false ],
+    [ {"and":[false,false]}, {}, false ],
+    [ {"and":[true,true,true]}, {}, true ],
+    [ {"and":[true,true,false]}, {}, false ],
+    [ {"and":[false]}, {}, false ],
+    [ {"and":[true]}, {}, true ],
+    [ {"and":[1,3]}, {}, 3 ],
+    [ {"and":[3,false]}, {}, false ],
+    [ {"and":[false,3]}, {}, false ],
+    [ {"?:":[true,1,2]}, {}, 1 ],
+    [ {"?:":[false,1,2]}, {}, 2 ],
+    [ {"in":["Bart",["Bart","Homer","Lisa","Marge","Maggie"]]}, {}, true ],
+    [ {"in":["Milhouse",["Bart","Homer","Lisa","Marge","Maggie"]]}, {}, false ],
+    [ {"in":["Spring","Springfield"]}, {}, true ],
+    [ {"in":["i","team"]}, {}, false ],
+    [ {"cat":"ice"}, {}, "ice" ],
+    [ {"cat":["ice"]}, {}, "ice" ],
+    [ {"cat":["ice","cream"]}, {}, "icecream" ],
+    [ {"cat":[1,2]}, {}, "12" ],
+    [ {"cat":["Robocop",2]}, {}, "Robocop2" ],
+    [ {"cat":["we all scream for ","ice","cream"]}, {}, "we all scream for icecream" ],
+    [ {"%":[1,2]}, {}, 1 ],
+    [ {"%":[2,2]}, {}, 0 ],
+    [ {"%":[3,2]}, {}, 1 ],
+    [ {"max":[1,2,3]}, {}, 3 ],
+    [ {"max":[1,3,3]}, {}, 3 ],
+    [ {"max":[3,2,1]}, {}, 3 ],
+    [ {"max":[1]}, {}, 1 ],
+    [ {"min":[1,2,3]}, {}, 1 ],
+    [ {"min":[1,1,3]}, {}, 1 ],
+    [ {"min":[3,2,1]}, {}, 1 ],
+    [ {"min":[1]}, {}, 1 ],
+
+    [ {"+":[1,2]}, {}, 3 ],
+    [ {"+":[2,2,2]}, {}, 6 ],
+    [ {"+":[1]}, {}, 1 ],
+    [ {"+":["1",1]}, {}, 2 ],
+    [ {"*":[3,2]}, {}, 6 ],
+    [ {"*":[2,2,2]}, {}, 8 ],
+    [ {"*":[1]}, {}, 1 ],
+    [ {"*":["1",1]}, {}, 1 ],
+    [ {"-":[2,3]}, {}, -1 ],
+    [ {"-":[3,2]}, {}, 1 ],
+    [ {"-":[3]}, {}, -3 ],
+    [ {"-":["1",1]}, {}, 0 ],
+    [ {"/":[4,2]}, {}, 2 ],
+    [ {"/":[2,4]}, {}, 0.5 ],
+    [ {"/":["1",1]}, {}, 1 ],
+
+    "Substring",
+    [{"substr":["jsonlogic", 4]}, null, "logic"],
+    [{"substr":["jsonlogic", -5]}, null, "logic"],
+    [{"substr":["jsonlogic", 0, 1]}, null, "j"],
+    [{"substr":["jsonlogic", -1, 1]}, null, "c"],
+    [{"substr":["jsonlogic", 4, 5]}, null, "logic"],
+    [{"substr":["jsonlogic", -5, 5]}, null, "logic"],
+    [{"substr":["jsonlogic", -5, -2]}, null, "log"],
+    [{"substr":["jsonlogic", 1, -5]}, null, "son"],
+
+    "Merge arrays",
+    [{"merge":[]}, null, []],
+    [{"merge":[[1]]}, null, [1]],
+    [{"merge":[[1],[]]}, null, [1]],
+    [{"merge":[[1], [2]]}, null, [1,2]],
+    [{"merge":[[1], [2], [3]]}, null, [1,2,3]],
+    [{"merge":[[1, 2], [3]]}, null, [1,2,3]],
+    [{"merge":[[1], [2, 3]]}, null, [1,2,3]],
+    "Given non-array arguments, merge converts them to arrays",
+    [{"merge":1}, null, [1]],
+    [{"merge":[1,2]}, null, [1,2]],
+    [{"merge":[1,[2]]}, null, [1,2]],
+
+    "Too few args",
+    [{"if":[]}, null, null],
+    [{"if":[true]}, null, true],
+    [{"if":[false]}, null, false],
+    [{"if":["apple"]}, null, "apple"],
+
+    "Simple if/then/else cases",
+    [{"if":[true, "apple"]}, null, "apple"],
+    [{"if":[false, "apple"]}, null, null],
+    [{"if":[true, "apple", "banana"]}, null, "apple"],
+    [{"if":[false, "apple", "banana"]}, null, "banana"],
+
+    "Empty arrays are falsey",
+    [{"if":[ [], "apple", "banana"]}, null, "banana"],
+    [{"if":[ [1], "apple", "banana"]}, null, "apple"],
+    [{"if":[ [1,2,3,4], "apple", "banana"]}, null, "apple"],
+
+    "Empty strings are falsey, all other strings are truthy",
+    [{"if":[ "", "apple", "banana"]}, null, "banana"],
+    [{"if":[ "zucchini", "apple", "banana"]}, null, "apple"],
+    [{"if":[ "0", "apple", "banana"]}, null, "apple"],
+
+    "You can cast a string to numeric with a unary + ",
+    [{"===":[0,"0"]}, null, false],
+    [{"===":[0,{"+":"0"}]}, null, true],
+    [{"if":[ {"+":"0"}, "apple", "banana"]}, null, "banana"],
+    [{"if":[ {"+":"1"}, "apple", "banana"]}, null, "apple"],
+
+    "Zero is falsy, all other numbers are truthy",
+    [{"if":[ 0, "apple", "banana"]}, null, "banana"],
+    [{"if":[ 1, "apple", "banana"]}, null, "apple"],
+    [{"if":[ 3.1416, "apple", "banana"]}, null, "apple"],
+    [{"if":[ -1, "apple", "banana"]}, null, "apple"],
+
+    "Truthy and falsy definitions matter in Boolean operations",
+    [{"!" : [ [] ]}, {}, true],
+    [{"!!" : [ [] ]}, {}, false],
+    [{"and" : [ [], true ]}, {}, [] ],
+    [{"or" : [ [], true ]}, {}, true ],
+
+    [{"!" : [ 0 ]}, {}, true],
+    [{"!!" : [ 0 ]}, {}, false],
+    [{"and" : [ 0, true ]}, {}, 0 ],
+    [{"or" : [ 0, true ]}, {}, true ],
+
+    [{"!" : [ "" ]}, {}, true],
+    [{"!!" : [ "" ]}, {}, false],
+    [{"and" : [ "", true ]}, {}, "" ],
+    [{"or" : [ "", true ]}, {}, true ],
+
+    [{"!" : [ "0" ]}, {}, false],
+    [{"!!" : [ "0" ]}, {}, true],
+    [{"and" : [ "0", true ]}, {}, true ],
+    [{"or" : [ "0", true ]}, {}, "0" ],
+
+    "If the conditional is logic, it gets evaluated",
+    [{"if":[ {">":[2,1]}, "apple", "banana"]}, null, "apple"],
+    [{"if":[ {">":[1,2]}, "apple", "banana"]}, null, "banana"],
+
+    "If the consequents are logic, they get evaluated",
+    [{"if":[ true, {"cat":["ap","ple"]}, {"cat":["ba","na","na"]} ]}, null, "apple"],
+    [{"if":[ false, {"cat":["ap","ple"]}, {"cat":["ba","na","na"]} ]}, null, "banana"],
+
+    "If/then/elseif/then cases",
+    [{"if":[true, "apple", true, "banana"]}, null, "apple"],
+    [{"if":[true, "apple", false, "banana"]}, null, "apple"],
+    [{"if":[false, "apple", true, "banana"]}, null, "banana"],
+    [{"if":[false, "apple", false, "banana"]}, null, null],
+
+    [{"if":[true, "apple", true, "banana", "carrot"]}, null, "apple"],
+    [{"if":[true, "apple", false, "banana", "carrot"]}, null, "apple"],
+    [{"if":[false, "apple", true, "banana", "carrot"]}, null, "banana"],
+    [{"if":[false, "apple", false, "banana", "carrot"]}, null, "carrot"],
+
+    [{"if":[false, "apple", false, "banana", false, "carrot"]}, null, null],
+    [{"if":[false, "apple", false, "banana", false, "carrot", "date"]}, null, "date"],
+    [{"if":[false, "apple", false, "banana", true, "carrot", "date"]}, null, "carrot"],
+    [{"if":[false, "apple", true, "banana", false, "carrot", "date"]}, null, "banana"],
+    [{"if":[false, "apple", true, "banana", true, "carrot", "date"]}, null, "banana"],
+    [{"if":[true, "apple", false, "banana", false, "carrot", "date"]}, null, "apple"],
+    [{"if":[true, "apple", false, "banana", true, "carrot", "date"]}, null, "apple"],
+    [{"if":[true, "apple", true, "banana", false, "carrot", "date"]}, null, "apple"],
+    [{"if":[true, "apple", true, "banana", true, "carrot", "date"]}, null, "apple"],
+
+    "Arrays with logic",
+    [[1, {"var": "x"}, 3], {"x": 2}, [1, 2, 3]],
+    [{"if": [{"var": "x"}, [{"var": "y"}], 99]}, {"x": true, "y": 42}, [42]],
+
+    "# Compound Tests",
+    [ {"and":[{">":[3,1]},true]}, {}, true ],
+    [ {"and":[{">":[3,1]},false]}, {}, false ],
+    [ {"and":[{">":[3,1]},{"!":true}]}, {}, false ],
+    [ {"and":[{">":[3,1]},{"<":[1,3]}]}, {}, true ],
+    [ {"?:":[{">":[3,1]},"visible","hidden"]}, {}, "visible" ],
+
+    "# Data-Driven",
+    [ {"var":["a"]},{"a":1},1 ],
+    [ {"var":["b"]},{"a":1},null ],
+    [ {"var":["a"]},null,null ],
+    [ {"var":"a"},{"a":1},1 ],
+    [ {"var":"b"},{"a":1},null ],
+    [ {"var":"a"},null,null ],
+    [ {"var":["a", 1]},null,1 ],
+    [ {"var":["b", 2]},{"a":1},2 ],
+    [ {"var":"a.b"},{"a":{"b":"c"}},"c" ],
+    [ {"var":"a.q"},{"a":{"b":"c"}},null ],
+    [ {"var":["a.q", 9]},{"a":{"b":"c"}},9 ],
+    [ {"var":1}, ["apple","banana"], "banana" ],
+    [ {"var":"1"}, ["apple","banana"], "banana" ],
+    [ {"var":"1.1"}, ["apple",["banana","beer"]], "beer" ],
+    [ {"and":[{"<":[{"var":"temp"},110]},{"==":[{"var":"pie.filling"},"apple"]}]},{"temp":100,"pie":{"filling":"apple"}},true ],
+    [ {"var":[{"?:":[{"<":[{"var":"temp"},110]},"pie.filling","pie.eta"]}]},{"temp":100,"pie":{"filling":"apple","eta":"60s"}},"apple" ],
+    [ {"in":[{"var":"filling"},["apple","cherry"]]},{"filling":"apple"},true ],
+    [ {"var":"a.b.c"}, null, null ],
+    [ {"var":"a.b.c"}, {"a":null}, null ],
+    [ {"var":"a.b.c"}, {"a":{"b":null}}, null ],
+    [ {"var":""}, 1, 1 ],
+    [ {"var":null}, 1, 1 ],
+    [ {"var":[]}, 1, 1 ],
+
+    "Missing",
+    [{"missing":[]}, null, []],
+    [{"missing":["a"]}, null, ["a"]],
+    [{"missing":"a"}, null, ["a"]],
+    [{"missing":"a"}, {"a":"apple"}, []],
+    [{"missing":["a"]}, {"a":"apple"}, []],
+    [{"missing":["a","b"]}, {"a":"apple"}, ["b"]],
+    [{"missing":["a","b"]}, {"b":"banana"}, ["a"]],
+    [{"missing":["a","b"]}, {"a":"apple", "b":"banana"}, []],
+    [{"missing":["a","b"]}, {}, ["a","b"]],
+    [{"missing":["a","b"]}, null, ["a","b"]],
+
+    [{"missing":["a.b"]}, null, ["a.b"]],
+    [{"missing":["a.b"]}, {"a":"apple"}, ["a.b"]],
+    [{"missing":["a.b"]}, {"a":{"c":"apple cake"}}, ["a.b"]],
+    [{"missing":["a.b"]}, {"a":{"b":"apple brownie"}}, []],
+    [{"missing":["a.b", "a.c"]}, {"a":{"b":"apple brownie"}}, ["a.c"]],
+
+
+    "Missing some",
+    [{"missing_some":[1, ["a", "b"]]}, {"a":"apple"}, [] ],
+    [{"missing_some":[1, ["a", "b"]]}, {"b":"banana"}, [] ],
+    [{"missing_some":[1, ["a", "b"]]}, {"a":"apple", "b":"banana"}, [] ],
+    [{"missing_some":[1, ["a", "b"]]}, {"c":"carrot"}, ["a", "b"]],
+
+    [{"missing_some":[2, ["a", "b", "c"]]}, {"a":"apple", "b":"banana"}, [] ],
+    [{"missing_some":[2, ["a", "b", "c"]]}, {"a":"apple", "c":"carrot"}, [] ],
+    [{"missing_some":[2, ["a", "b", "c"]]}, {"a":"apple", "b":"banana", "c":"carrot"}, [] ],
+    [{"missing_some":[2, ["a", "b", "c"]]}, {"a":"apple", "d":"durian"}, ["b", "c"] ],
+    [{"missing_some":[2, ["a", "b", "c"]]}, {"d":"durian", "e":"eggplant"}, ["a", "b", "c"] ],
+
+
+    "Missing and If are friends, because empty arrays are falsey in JsonLogic",
+    [{"if":[ {"missing":"a"}, "missed it", "found it" ]}, {"a":"apple"}, "found it"],
+    [{"if":[ {"missing":"a"}, "missed it", "found it" ]}, {"b":"banana"}, "missed it"],
+
+    "Missing, Merge, and If are friends. VIN is always required, APR is only required if financing is true.",
+    [
+        {"missing":{"merge":[ "vin", {"if": [{"var":"financing"}, ["apr"], [] ]} ]} },
+        {"financing":true},
+        ["vin","apr"]
+    ],
+
+    [
+        {"missing":{"merge":[ "vin", {"if": [{"var":"financing"}, ["apr"], [] ]} ]} },
+        {"financing":false},
+        ["vin"]
+    ],
+
+    "Filter, map, all, none, and some",
+    [
+        {"filter":[{"var":"integers"}, true]},
+        {"integers":[1,2,3]},
+        [1,2,3]
+    ],
+    [
+        {"filter":[{"var":"integers"}, false]},
+        {"integers":[1,2,3]},
+        []
+    ],
+    [
+        {"filter":[{"var":"integers"}, {">=":[{"var":""},2]}]},
+        {"integers":[1,2,3]},
+        [2,3]
+    ],
+    [
+        {"filter":[{"var":"integers"}, {"%":[{"var":""},2]}]},
+        {"integers":[1,2,3]},
+        [1,3]
+    ],
+
+    [
+        {"map":[{"var":"integers"}, {"*":[{"var":""},2]}]},
+        {"integers":[1,2,3]},
+        [2,4,6]
+    ],
+    [
+        {"map":[{"var":"integers"}, {"*":[{"var":""},2]}]},
+        null,
+        []
+    ],
+    [
+        {"map":[{"var":"desserts"}, {"var":"qty"}]},
+        {"desserts":[
+            {"name":"apple","qty":1},
+            {"name":"brownie","qty":2},
+            {"name":"cupcake","qty":3}
+        ]},
+        [1,2,3]
+    ],
+
+    [
+        {"reduce":[
+            {"var":"integers"},
+            {"+":[{"var":"current"}, {"var":"accumulator"}]},
+            0
+        ]},
+        {"integers":[1,2,3,4]},
+        10
+    ],
+    [
+        {"reduce":[
+            {"var":"integers"},
+            {"+":[{"var":"current"}, {"var":"accumulator"}]},
+            {"var": "start_with"}
+        ]},
+        {"integers":[1,2,3,4], "start_with": 59},
+        69
+    ],
+    [
+        {"reduce":[
+            {"var":"integers"},
+            {"+":[{"var":"current"}, {"var":"accumulator"}]},
+            0
+        ]},
+        null,
+        0
+    ],
+    [
+        {"reduce":[
+            {"var":"integers"},
+            {"*":[{"var":"current"}, {"var":"accumulator"}]},
+            1
+        ]},
+        {"integers":[1,2,3,4]},
+        24
+    ],
+    [
+        {"reduce":[
+            {"var":"integers"},
+            {"*":[{"var":"current"}, {"var":"accumulator"}]},
+            0
+        ]},
+        {"integers":[1,2,3,4]},
+        0
+    ],
+    [
+        {"reduce": [
+            {"var":"desserts"},
+            {"+":[ {"var":"accumulator"}, {"var":"current.qty"}]},
+            0
+        ]},
+        {"desserts":[
+            {"name":"apple","qty":1},
+            {"name":"brownie","qty":2},
+            {"name":"cupcake","qty":3}
+        ]},
+        6
+    ],
+
+
+    [
+        {"all":[{"var":"integers"}, {">=":[{"var":""}, 1]}]},
+        {"integers":[1,2,3]},
+        true
+    ],
+    [
+        {"all":[{"var":"integers"}, {"==":[{"var":""}, 1]}]},
+        {"integers":[1,2,3]},
+        false
+    ],
+    [
+        {"all":[{"var":"integers"}, {"<":[{"var":""}, 1]}]},
+        {"integers":[1,2,3]},
+        false
+    ],
+    [
+        {"all":[{"var":"integers"}, {"<":[{"var":""}, 1]}]},
+        {"integers":[]},
+        false
+    ],
+    [
+        {"all":[ {"var":"items"}, {">=":[{"var":"qty"}, 1]}]},
+        {"items":[{"qty":1,"sku":"apple"},{"qty":2,"sku":"banana"}]},
+        true
+    ],
+    [
+        {"all":[ {"var":"items"}, {">":[{"var":"qty"}, 1]}]},
+        {"items":[{"qty":1,"sku":"apple"},{"qty":2,"sku":"banana"}]},
+        false
+    ],
+    [
+        {"all":[ {"var":"items"}, {"<":[{"var":"qty"}, 1]}]},
+        {"items":[{"qty":1,"sku":"apple"},{"qty":2,"sku":"banana"}]},
+        false
+    ],
+    [
+        {"all":[ {"var":"items"}, {">=":[{"var":"qty"}, 1]}]},
+        {"items":[]},
+        false
+    ],
+
+
+    [
+        {"none":[{"var":"integers"}, {">=":[{"var":""}, 1]}]},
+        {"integers":[1,2,3]},
+        false
+    ],
+    [
+        {"none":[{"var":"integers"}, {"==":[{"var":""}, 1]}]},
+        {"integers":[1,2,3]},
+        false
+    ],
+    [
+        {"none":[{"var":"integers"}, {"<":[{"var":""}, 1]}]},
+        {"integers":[1,2,3]},
+        true
+    ],
+    [
+        {"none":[{"var":"integers"}, {"<":[{"var":""}, 1]}]},
+        {"integers":[]},
+        true
+    ],
+    [
+        {"none":[ {"var":"items"}, {">=":[{"var":"qty"}, 1]}]},
+        {"items":[{"qty":1,"sku":"apple"},{"qty":2,"sku":"banana"}]},
+        false
+    ],
+    [
+        {"none":[ {"var":"items"}, {">":[{"var":"qty"}, 1]}]},
+        {"items":[{"qty":1,"sku":"apple"},{"qty":2,"sku":"banana"}]},
+        false
+    ],
+    [
+        {"none":[ {"var":"items"}, {"<":[{"var":"qty"}, 1]}]},
+        {"items":[{"qty":1,"sku":"apple"},{"qty":2,"sku":"banana"}]},
+        true
+    ],
+    [
+        {"none":[ {"var":"items"}, {">=":[{"var":"qty"}, 1]}]},
+        {"items":[]},
+        true
+    ],
+
+    [
+        {"some":[{"var":"integers"}, {">=":[{"var":""}, 1]}]},
+        {"integers":[1,2,3]},
+        true
+    ],
+    [
+        {"some":[{"var":"integers"}, {"==":[{"var":""}, 1]}]},
+        {"integers":[1,2,3]},
+        true
+    ],
+    [
+        {"some":[{"var":"integers"}, {"<":[{"var":""}, 1]}]},
+        {"integers":[1,2,3]},
+        false
+    ],
+    [
+        {"some":[{"var":"integers"}, {"<":[{"var":""}, 1]}]},
+        {"integers":[]},
+        false
+    ],
+    [
+        {"some":[ {"var":"items"}, {">=":[{"var":"qty"}, 1]}]},
+        {"items":[{"qty":1,"sku":"apple"},{"qty":2,"sku":"banana"}]},
+        true
+    ],
+    [
+        {"some":[ {"var":"items"}, {">":[{"var":"qty"}, 1]}]},
+        {"items":[{"qty":1,"sku":"apple"},{"qty":2,"sku":"banana"}]},
+        true
+    ],
+    [
+        {"some":[ {"var":"items"}, {"<":[{"var":"qty"}, 1]}]},
+        {"items":[{"qty":1,"sku":"apple"},{"qty":2,"sku":"banana"}]},
+        false
+    ],
+    [
+        {"some":[ {"var":"items"}, {">=":[{"var":"qty"}, 1]}]},
+        {"items":[]},
+        false
+    ],
+
+    "EOF"
+]
\ No newline at end of file