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/**
* @license Apache-2.0
*
* Copyright (c) 2021 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 tape = require( 'tape' );
var snakecase = require( './../lib' );
// TESTS //
tape( 'main export is a function', function test( t ) {
t.ok( true, __filename );
t.strictEqual( typeof snakecase, 'function', 'main export is a function' );
t.end();
});
tape( 'the function throws an error if not provided a string', function test( t ) {
var values;
var i;
values = [
5,
NaN,
true,
null,
void 0,
[],
{},
function noop() {}
];
for ( i = 0; i < values.length; i++ ) {
t.throws( badValue( values[i] ), TypeError, 'throws a type error when provided '+values[i] );
}
t.end();
function badValue( value ) {
return function badValue() {
snakecase( value );
};
}
});
tape( 'the function converts a string to snake case', function test( t ) {
var expected;
var values;
var i;
values = [
'foo',
'foo-bar',
'fooBar',
'foo_bar',
'foo-bar-baz',
'foo_bar_baz',
'foo bar baz',
'foo bar baz qux',
'foo_bar_baz_qux',
'foo_bar baz qux'
];
expected = [
'foo',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar_baz',
'foo_bar_baz',
'foo_bar_baz',
'foo_bar_baz_qux',
'foo_bar_baz_qux',
'foo_bar_baz_qux'
];
for ( i = 0; i < values.length; i++ ) {
t.strictEqual( snakecase( values[i] ), expected[i], 'returns '+expected[i] );
}
t.end();
});
tape( 'the function converts a camel case string to snake case', function test( t ) {
var expected;
var actual;
var str;
str = 'helloWorld';
expected = 'hello_world';
actual = snakecase( str );
str = 'isMobile';
expected = 'is_mobile';
actual = snakecase( str );
t.strictEqual( actual, expected, 'returns expected value' );
t.end();
});
tape( 'the function converts a string with Unicode characters to snake case', function test( t ) {
var expected;
var values;
var i;
values = [
'fóoBár',
'ру́сский язык',
'😀😀 😀',
'ру́сский язы́к',
'Привет мир',
'안녕하세요',
'你好世界',
'신규 서비스'
];
expected = [
'fóo_bár',
'ру́сский_язык',
'😀😀_😀',
'ру́сский_язы́к',
'привет_мир',
'안녕하세요',
'你好世界',
'신규_서비스'
];
for ( i = 0; i < values.length; i++ ) {
t.strictEqual( snakecase( values[i] ), expected[i], 'returns '+expected[i] );
}
t.end();
});
tape( 'the function converts a string with special characters to snake case', function test( t ) {
var expected;
var values;
var i;
values = [
'foo!bar',
'foo@bar',
'foo#bar',
'foo$bar',
'foo%bar',
'foo^bar',
'foo&bar',
'foo*bar',
'foo(bar',
'foo)bar',
'foo[bar',
'foo]bar',
'foo{bar',
'foo}bar',
'foo|bar',
'foo~bar',
'foo:"bar',
'foo\'bar',
'foo<bar',
'foo\\bar',
'foo>bar',
'foo?bar',
'foo/bar'
];
expected = [
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar',
'foo_bar'
];
for ( i = 0; i < values.length; i++ ) {
t.strictEqual( snakecase( values[i] ), expected[i], 'returns '+expected[i] );
}
t.end();
});
tape( 'the function leaves a string intact that is already in snake case', function test( t ) {
var expected;
var actual;
expected = 'foo_bar';
actual = snakecase( expected );
t.strictEqual( actual, expected, 'returns expected value' );
expected = 'client_side_rendering';
actual = snakecase( expected );
t.strictEqual( actual, expected, 'returns expected value' );
t.end();
});
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