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add tests, new partialDeepEquals

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This commit is contained in:
Michael C
2021-08-02 02:47:49 -04:00
parent 31a7838851
commit b39c06a9ef
2 changed files with 151 additions and 1 deletions
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134
test/cases/testUtils.ts Normal file
View File

@@ -0,0 +1,134 @@
import assert from "assert";
import { partialDeepEquals } from "../utils";
describe("Test utils ", () => {
it("objectContain", async () => {
assert(partialDeepEquals(
{
name: "John Wick",
old: 20,
vip: true
},
{
}
), "Did not match empty expect");
assert(partialDeepEquals(
[{a: [1,2,3]}, {a: [1,2]}],
[{a: [1,2,3]}, {a: [1,2]}]
), "Did not match same arrays");
assert(partialDeepEquals(
{
name: "John Wick",
old: 20,
vip: true
},
{
vip: true,
old: 20
}
), "Did not match same partial properties");
// do not match incorrect propeties
assert(!partialDeepEquals(
{
name: "John Wick",
old: 20,
vip: true
},
{
vip: false,
old: 19
}
), "Matched different properties");
// do not match missing property
assert(!partialDeepEquals(
{
name: "John Wick",
old: 20,
vip: true
},
{
vip: true,
child: {
name: ""
}
}
));
assert(!partialDeepEquals(
{
name: "John Wick",
old: 20,
vip: true,
child: {
name: "a"
}
},
{
vip: true,
child: {
name: ""
}
}
), "Matched incorrect child property");
assert(!partialDeepEquals(
{
name: "John Wick",
old: 20,
vip: true,
child: {
name: "a",
child: {
name: "a",
}
}
},
{
vip: true,
child: {
name: "a",
child: {
name: "b",
}
}
}
), "Matched incorrected 2-nested property");
assert(partialDeepEquals(
{
name: "John Wick",
old: 20,
vip: true,
child: {
name: "a",
child: {
name: "b",
}
}
},
{
vip: true,
child: {
name: "a",
child: {
name: "b",
}
}
}
), "Did not match exact child properties");
assert(partialDeepEquals(
{
name: "John Wick",
values: [{
name: "a",
}, {
name: "b",
}]
},
{
values: [{
name: "a",
}]
}
), "Did not match partial child array");
});
});

16
test/utils.ts
View File

@@ -8,3 +8,19 @@ export function getbaseURL(): string {
* Duplicated from Mocha types. TypeScript doesn't infer that type by itself for some reason.
*/
export type Done = (err?: any) => void;
/**
*
* Check object contains expected properties
*/
export const partialDeepEquals = (actual: Record<string, any>, expected: Record<string, any>): boolean => {
// loop over key, value of expected
for (const [ key, value ] of Object.entries(expected)) {
// if value is object or array, recurse
if (Array.isArray(value) || typeof value === "object") {
if (!partialDeepEquals(actual?.[key], value)) return false;
}
else if (actual?.[key] !== value) return false;
}
return true;
};