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/*
This file is part of TALER
(C) 2016 Inria
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
*
* @author Florian Dold
*/
export type TestFn = (t: TestLib) => void | Promise<void>;
interface Test {
name: string;
testFn: TestFn;
}
export interface TestLib {
pass(msg?: string): void;
fail(msg?: string): void;
assert(v: any, msg?: string): void;
assertEqualsStrict(v1: any, v2: any, msg?: string): void;
}
let tests: Test[] = [];
let testRunner: any;
/**
* Register a test case.
*/
export function test(name: string, testFn: TestFn) {
tests.push({name, testFn});
}
/**
* Run all registered test case, producing a TAP stream.
*/
export async function run(statusCallback?: (m: string) => void) {
console.log(`1..${tests.length}`);
for (let i in tests) {
let t = tests[i];
let passed = false;
let lastMsg: string|undefined = undefined;
let p = new Promise((resolve, reject) => {
let pass = (msg?: string) => {
if (passed) {
let e = Error("test passed twice");
reject(e);
throw e;
}
passed = true;
lastMsg = msg;
resolve();
};
let fail = (msg?: string) => {
lastMsg = msg;
let e = Error("test failed");
reject(e);
throw e;
};
let assert = (v: any, msg?: string) => {
if (!v) {
lastMsg = msg;
reject(Error("test failed"));
return;
}
};
let assertEqualsStrict = (v1: any, v2: any, msg?: string) => {
if (v1 !== v2) {
console.log(`# expected: ${v1}`);
console.log(`# actual: ${v2}`);
lastMsg = msg;
let e = Error("test failed");
reject(e);
throw e;
}
};
// Test might return a promise. If so, wait for it.
let r = t.testFn({pass,fail, assert, assertEqualsStrict});
if (r) {
r.then(() => pass(), (e) => fail(e.toString()));
}
});
console.log(`# ${t.name}`);
statusCallback && statusCallback(`starting test ${t.name}`);
if (!lastMsg) {
lastMsg = "-";
}
try {
await p;
if (!passed) {
throw Error("test did not call 'pass'");
}
console.log(`ok ${Number(i) + 1} ${lastMsg || "-"}`);
statusCallback && statusCallback(`finished test ${t.name}`);
} catch (e) {
try {
console.error(e.stack);
} catch (e2) {
console.error(e);
}
console.log(`not ok ${Number(i) + 1} ${lastMsg || "-"}`);
statusCallback && statusCallback(`failed test ${t.name}`);
}
}
}
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