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getAll.test.js
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getAll.test.js
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const { getAll } = require("../src/datamix");
describe("getAll", () => {
it("gets an empty array by default", function () {
expect(
getAll(undefined, "a.*.b")
).toStrictEqual([]);
});
it("creates an array of all values found at path with wildcard", function () {
expect(
getAll({list: [
{a: 1}, {a: 2}, {b: 3}, {a: 4},
]}, "list.*.a")
).toStrictEqual([1, 2, 4]);
});
it("handles objects too", function () {
expect(
getAll({dict: {
a: {id: 1},
b: {id: 2},
c: {id: 3},
d: {id: 4},
}}, "dict.*.id")
).toStrictEqual([1, 2, 3, 4]);
});
it("handles multiple wildcards", function () {
expect(
getAll([
{name: "Jane", roles: [{name: 'admin'}, {name: 'supervisor'}]},
{name: "John", roles: [{name: 'supervisor'}]},
{name: "Fred", roles: [{name: 'user'}]},
], "*.roles.*.name")
).toStrictEqual(['admin', 'supervisor', 'supervisor', 'user']);
});
it('merges array together', function () {
expect(
getAll({list: [
{a: [1, 2]}, {a: [3, 4, 5]}, {z: [6]}, {a: [7, 8]},
]}, 'list.*.a.*')
).toStrictEqual([1, 2, 3, 4, 5, 7, 8]);
});
it("can tell what path it took to find value", function () {
expect(
getAll({list: [
{a: 1}, {a: 2}, {b: 3}, {a: 4},
]}, "list.*.a", true)
).toStrictEqual({
'list.0.a': 1,
'list.1.a': 2,
'list.3.a': 4
});
});
it('can find complex paths', function () {
expect(
getAll({list: [
{a: [1, 2]}, {a: [3, 4, 5]}, {z: [6]}, {a: [7, 8]},
]}, 'list.*.a.*', true)
).toStrictEqual({
'list.0.a.0': 1,
'list.0.a.1': 2,
'list.1.a.0': 3,
'list.1.a.1': 4,
'list.1.a.2': 5,
'list.3.a.0': 7,
'list.3.a.1': 8,
});
});
// @TODO: default value other than empty array ?
});