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// Copyright 2018 the Deno authors. All rights reserved. MIT license.
//
// We want to test many ops in deno which have different behavior depending on
// the permissions set. These tests can specify which permissions they expect,
// which appends a special string like "permW1N0" to the end of the test name.
// Here we run several copies of deno with different permissions, filtering the
// tests by the special string. permW0N0 means allow-write but not allow-net.
// See tools/unit_tests.py for more details.
import * as deno from "deno";
import * as testing from "./testing/testing.ts";
export { assert, assertEqual } from "./testing/testing.ts";
// testing.setFilter must be run before any tests are defined.
const permFilter = deno.argv[1];
permFromString(permFilter);
testing.setFilter(permFilter);
interface DenoPermissions {
write?: boolean;
net?: boolean;
}
function permToString(perms: DenoPermissions): string {
const w = perms.write ? 1 : 0;
const n = perms.net ? 1 : 0;
return `permW${w}N${n}`;
}
function permFromString(s: string): DenoPermissions {
const re = /^permW([01])N([01])$/;
const found = s.match(re);
if (!found) {
throw Error("Not a permission string");
}
return {
write: Boolean(Number(found[1])),
net: Boolean(Number(found[2]))
};
}
export function testPerm(perms: DenoPermissions, fn: testing.TestFunction) {
const name = `${fn.name}_${permToString(perms)}`;
testing.test({ fn, name });
}
export function test(fn: testing.TestFunction) {
testPerm({ write: false, net: false }, fn);
}
test(function permSerialization() {
for (let write of [true, false]) {
for (let net of [true, false]) {
let perms: DenoPermissions = { write, net };
testing.assertEqual(perms, permFromString(permToString(perms)));
}
}
});
// To better catch internal errors, permFromString should throw if it gets an
// invalid permission string.
test(function permFromStringThrows() {
let threw = false;
try {
permFromString("bad");
} catch (e) {
threw = true;
}
testing.assert(threw);
});
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