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/**
* @license Apache-2.0
*
* Copyright (c) 2019 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var resolve = require( 'path' ).resolve;
var exec = require( 'child_process' ).exec;
var tape = require( 'tape' );
var IS_BROWSER = require( '@stdlib/assert/is-browser' );
var IS_WINDOWS = require( '@stdlib/assert/is-windows' );
var readFileSync = require( '@stdlib/fs/read-file' ).sync;
var EXEC_PATH = require( '@stdlib/process/exec-path' );
// VARIABLES //
var fpath = resolve( __dirname, '..', 'bin', 'cli' );
var opts = {
'skip': IS_BROWSER || IS_WINDOWS
};
// FIXTURES //
var PKG_VERSION = require( './../package.json' ).version;
// TESTS //
tape( 'command-line interface', function test( t ) {
t.ok( true, __filename );
t.end();
});
tape( 'when invoked with a `--help` flag, the command-line interface prints the help text to `stderr`', opts, function test( t ) {
var expected;
var cmd;
expected = readFileSync( resolve( __dirname, '..', 'docs', 'usage.txt' ), {
'encoding': 'utf8'
});
cmd = [
EXEC_PATH,
fpath,
'--help'
];
exec( cmd.join( ' ' ), done );
function done( error, stdout, stderr ) {
if ( error ) {
t.fail( error.message );
} else {
t.strictEqual( stdout.toString(), '', 'does not print to `stdout`' );
t.strictEqual( stderr.toString(), expected+'\n', 'expected value' );
}
t.end();
}
});
tape( 'when invoked with a `-h` flag, the command-line interface prints the help text to `stderr`', opts, function test( t ) {
var expected;
var cmd;
expected = readFileSync( resolve( __dirname, '..', 'docs', 'usage.txt' ), {
'encoding': 'utf8'
});
cmd = [
EXEC_PATH,
fpath,
'-h'
];
exec( cmd.join( ' ' ), done );
function done( error, stdout, stderr ) {
if ( error ) {
t.fail( error.message );
} else {
t.strictEqual( stdout.toString(), '', 'does not print to `stdout`' );
t.strictEqual( stderr.toString(), expected+'\n', 'expected value' );
}
t.end();
}
});
tape( 'when invoked with a `--version` flag, the command-line interface prints the version to `stderr`', opts, function test( t ) {
var cmd = [
EXEC_PATH,
fpath,
'--version'
];
exec( cmd.join( ' ' ), done );
function done( error, stdout, stderr ) {
if ( error ) {
t.fail( error.message );
} else {
t.strictEqual( stdout.toString(), '', 'does not print to `stdout`' );
t.strictEqual( stderr.toString(), PKG_VERSION+'\n', 'expected value' );
}
t.end();
}
});
tape( 'when invoked with a `-V` flag, the command-line interface prints the version to `stderr`', opts, function test( t ) {
var cmd = [
EXEC_PATH,
fpath,
'-V'
];
exec( cmd.join( ' ' ), done );
function done( error, stdout, stderr ) {
if ( error ) {
t.fail( error.message );
} else {
t.strictEqual( stdout.toString(), '', 'does not print to `stdout`' );
t.strictEqual( stderr.toString(), PKG_VERSION+'\n', 'expected value' );
}
t.end();
}
});
// TODO: tests
|
