fix: Fix issue when there are multiple values for the same CLI parameter

* fix: added check for multiple values for the same option

* Update test/unit/init/CliRunner.test.ts

Co-authored-by: Ruben Verborgh <ruben@verborgh.org>

* fix: made CliRunner.run sync

Co-authored-by: Ruben Verborgh <ruben@verborgh.org>
This commit is contained in:
Arne Vandoorslaer 2021-03-05 11:00:24 +01:00 committed by GitHub
parent 12ace1b556
commit dd5b496f1d
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2 changed files with 72 additions and 11 deletions

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@ -13,10 +13,11 @@ export class CliRunner {
/**
* Generic run function for starting the server from a given config
* Made run to be non-async to lower the chance of unhandled promise rejection errors in the future.
* @param args - Command line arguments.
* @param stderr - Standard error stream.
*/
public async run({
public run({
argv = process.argv,
stderr = process.stderr,
}: {
@ -24,7 +25,7 @@ export class CliRunner {
stdin?: ReadStream;
stdout?: WriteStream;
stderr?: WriteStream;
} = {}): Promise<void> {
} = {}): void {
// Parse the command-line arguments
const { argv: params } = yargs(argv.slice(2))
.usage('node ./bin/server.js [args]')
@ -44,6 +45,10 @@ export class CliRunner {
if (!args[key]) {
throw new Error(`Missing value for argument "${key}"`);
}
// Check if the argument only has 1 value
if (Array.isArray(args[key])) {
throw new Error(`Multiple values were provided for: "${key}", [${args[key]}]`);
}
}
}
return true;
@ -71,7 +76,7 @@ export class CliRunner {
const variables = this.createVariables(params);
// Create and execute the server initializer
await this.createInitializer(loaderProperties, configFile, variables)
this.createInitializer(loaderProperties, configFile, variables)
.then(
async(initializer): Promise<void> => initializer.handleSafe(),
(error: Error): void => {

View File

@ -31,10 +31,15 @@ describe('CliRunner', (): void => {
});
it('starts the server with default settings.', async(): Promise<void> => {
await new CliRunner().run({
new CliRunner().run({
argv: [ 'node', 'script' ],
});
// Wait until initializer has been called, because we can't await CliRunner.run.
await new Promise((resolve): void => {
setImmediate(resolve);
});
expect(ComponentsManager.build).toHaveBeenCalledTimes(1);
expect(ComponentsManager.build).toHaveBeenCalledWith({
dumpErrorState: true,
@ -64,7 +69,7 @@ describe('CliRunner', (): void => {
});
it('accepts abbreviated flags.', async(): Promise<void> => {
await new CliRunner().run({
new CliRunner().run({
argv: [
'node', 'script',
'-b', 'http://pod.example/',
@ -79,6 +84,11 @@ describe('CliRunner', (): void => {
],
});
// Wait until initializer has been called, because we can't await CliRunner.run.
await new Promise((resolve): void => {
setImmediate(resolve);
});
expect(ComponentsManager.build).toHaveBeenCalledTimes(1);
expect(ComponentsManager.build).toHaveBeenCalledWith({
dumpErrorState: true,
@ -105,7 +115,7 @@ describe('CliRunner', (): void => {
});
it('accepts full flags.', async(): Promise<void> => {
await new CliRunner().run({
new CliRunner().run({
argv: [
'node', 'script',
'--baseUrl', 'http://pod.example/',
@ -120,6 +130,11 @@ describe('CliRunner', (): void => {
],
});
// Wait until initializer has been called, because we can't await CliRunner.run.
await new Promise((resolve): void => {
setImmediate(resolve);
});
expect(ComponentsManager.build).toHaveBeenCalledTimes(1);
expect(ComponentsManager.build).toHaveBeenCalledWith({
dumpErrorState: true,
@ -147,10 +162,15 @@ describe('CliRunner', (): void => {
it('exits with output to stderr when instantiation fails.', async(): Promise<void> => {
manager.instantiate.mockRejectedValueOnce(new Error('Fatal'));
await new CliRunner().run({
new CliRunner().run({
argv: [ 'node', 'script' ],
});
// Wait until initializer has been called, because we can't await CliRunner.run.
await new Promise((resolve): void => {
setImmediate(resolve);
});
expect(write).toHaveBeenCalledTimes(2);
expect(write).toHaveBeenNthCalledWith(1,
expect.stringMatching(/^Error: could not instantiate server from .*config-default\.json/u));
@ -163,7 +183,12 @@ describe('CliRunner', (): void => {
it('exits without output to stderr when initialization fails.', async(): Promise<void> => {
initializer.handleSafe.mockRejectedValueOnce(new Error('Fatal'));
await new CliRunner().run();
new CliRunner().run();
// Wait until initializer has been called, because we can't await CliRunner.run.
await new Promise((resolve): void => {
setImmediate(resolve);
});
expect(write).toHaveBeenCalledTimes(0);
@ -171,34 +196,65 @@ describe('CliRunner', (): void => {
});
it('exits when unknown options are passed to the main executable.', async(): Promise<void> => {
await new CliRunner().run({
new CliRunner().run({
argv: [
'node', 'script', '--foo',
],
});
// Wait until initializer has been called, because we can't await CliRunner.run.
await new Promise((resolve): void => {
setImmediate(resolve);
});
expect(exit).toHaveBeenCalledTimes(1);
expect(exit).toHaveBeenCalledWith(1);
});
it('exits when no value is passed to the main executable for an argument.', async(): Promise<void> => {
await new CliRunner().run({
new CliRunner().run({
argv: [
'node', 'script', '-s',
],
});
// Wait until initializer has been called, because we can't await CliRunner.run.
await new Promise((resolve): void => {
setImmediate(resolve);
});
expect(exit).toHaveBeenCalledTimes(1);
expect(exit).toHaveBeenCalledWith(1);
});
it('exits when unknown parameters are passed to the main executable.', async(): Promise<void> => {
await new CliRunner().run({
new CliRunner().run({
argv: [
'node', 'script', 'foo', 'bar', 'foo.txt', 'bar.txt',
],
});
// Wait until initializer has been called, because we can't await CliRunner.run.
await new Promise((resolve): void => {
setImmediate(resolve);
});
expect(exit).toHaveBeenCalledTimes(1);
expect(exit).toHaveBeenCalledWith(1);
});
it('exits when multiple values for a parameter are passed.', async(): Promise<void> => {
new CliRunner().run({
argv: [
'node', 'script', '-ll',
],
});
// Wait until initializer has been called, because we can't await CliRunner.run.
await new Promise((resolve): void => {
setImmediate(resolve);
});
expect(exit).toHaveBeenCalledTimes(1);
expect(exit).toHaveBeenCalledWith(1);
});