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import {checkBuiltInVMAndNodeVM} from '../test-helpers/checkVM.js';
checkBuiltInVMAndNodeVM(function (vmType, setBuiltInState) {
describe(`JSONPath - Eval (${vmType} - native)`, function () {
before(setBuiltInState);
const json = {
"store": {
"book": {
"category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": [8.95, 8.94]
},
"books": [{
"category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": [10.99, 12.29]
}, {
"category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": [8.99, 6.95]
}]
}
};
it('fail if eval is unsupported', () => {
expect(() => {
jsonpath({json, path: "$..[?(@.category === category)]", eval: 'wrong-eval'});
}).to.throw(
TypeError,
'Unknown "eval" property "wrong-eval"'
);
});
it('multi statement eval', () => {
const expected = [json.store.books[0]];
const selector = '$..[?(' +
'var sum = @.price && @.price[0]+@.price[1];' +
'sum > 20;)]';
const result = jsonpath({json, path: selector, wrap: false, eval: 'native'});
assert.deepEqual(result, expected);
});
it('multi statement eval (with use strict)', () => {
const expected = [json.store.books[0]];
const selector = '$..[?(' +
'"use strict";' +
'var sum = @.price && @.price[0]+@.price[1];' +
'sum > 20;)]';
const result = jsonpath({json, path: selector, wrap: false,
eval: 'native'});
assert.deepEqual(result, expected);
});
it('accessing current path', () => {
const expected = [json.store.books[1]];
const result = jsonpath({json,
path: "$..[?(@path==\"$['store']['books'][1]\")]",
wrap: false,
eval: 'native'
});
assert.deepEqual(result, expected);
});
it('sandbox', () => {
const expected = [json.store.book];
const result = jsonpath({
json,
sandbox: {category: 'reference'},
path: "$..[?(@.category === category)]", wrap: false,
eval: 'native'
});
assert.deepEqual(result, expected);
});
it('sandbox (with `arguments`)', () => {
const expected = [json.store.book];
const selector = "$..[?(@.category === arguments)]";
const result = jsonpath({
json,
path: selector,
sandbox: {
arguments: 'reference'
},
wrap: false,
eval: 'native'
});
assert.deepEqual(result, expected);
});
it('sandbox with function without "function" in string', () => {
const expected = [json.store.book];
const result = jsonpath({
json,
sandbox: {
category () {
return 'reference';
}
},
path: "$..[?(@.category === category())]", wrap: false,
eval: 'native'
});
assert.deepEqual(result, expected);
});
it('sandbox with function with "function" in string', () => {
const expected = [json.store.book];
const result = jsonpath({
json,
sandbox: {
category () {
return 'reference';
}
},
path: "$..[?(@.category === category())]", wrap: false,
eval: 'native'
});
assert.deepEqual(result, expected);
});
it('sandbox (with parsing function)', () => {
const expected = [json.store.book];
const result = jsonpath({
json,
sandbox: {
filter (arg) {
return arg.category === 'reference';
}
},
path: "$..[?(filter(@))]", wrap: false,
eval: 'native'
});
assert.deepEqual(result, expected);
});
describe('cyclic object', () => {
// This is not an eval test, but we put it here for parity with item below
it('cyclic object without a sandbox', () => {
const circular = {a: {b: {c: 5}}};
circular.a.x = circular;
const expected = circular.a.b;
const result = jsonpath({
json: circular,
path: '$.a.b',
wrap: false,
eval: 'native'
});
assert.deepEqual(result, expected);
});
it('cyclic object in a sandbox', () => {
const circular = {category: 'fiction'};
circular.recurse = circular;
const expected = json.store.books;
const result = jsonpath({
json,
path: '$..[?(@.category === aCircularReference.category)]',
sandbox: {
aCircularReference: circular
},
wrap: false,
eval: 'native'
});
assert.deepEqual(result, expected);
});
});
});
describe(`JSONPath - Eval (${vmType} - custom)`, function () {
before(setBuiltInState);
const json = {
"store": {
"book": {
"category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": [8.95, 8.94]
},
"books": [{
"category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": [10.99, 12.29]
}, {
"category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": [8.99, 6.95]
}]
}
};
it('eval as callback function', () => {
const evalCb = (code, ctxt) => {
const script = new jsonpath.prototype.safeVm.Script(code);
return script.runInNewContext(ctxt);
};
const expected = [json.store.book];
const result = jsonpath({
json,
path: '$..[?(@.category === "reference")]',
eval: evalCb
});
assert.deepEqual(result, expected);
});
it('eval as class', () => {
const expected = [json.store.book];
const result = jsonpath({
json,
path: '$..[?(@.category === "reference")]',
eval: jsonpath.prototype.safeVm.Script
});
assert.deepEqual(result, expected);
});
it('treat error as mismatch in eval', () => {
const expected = [json.store.book];
const result = jsonpath({
json,
path: '$..[?(@.category.toLowerCase() === "reference")]',
eval: jsonpath.prototype.safeVm.Script,
ignoreEvalErrors: true
});
assert.deepEqual(result, expected);
});
});
});
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