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[Tests] stringify: improve coverage
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@ljharb
ljharb committed Sep 14, 2023
1 parent 311c5b6 commit f7961d6
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292 changes: 261 additions & 31 deletions test/empty-keys-cases.js
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Expand Up @@ -2,36 +2,266 @@

module.exports = {
emptyTestCases: [
{ input: '&', withEmptyKeys: {}, stringifyOutput: '', noEmptyKeys: {} },
{ input: '&&', withEmptyKeys: {}, stringifyOutput: '', noEmptyKeys: {} },
{ input: '&=', withEmptyKeys: { '': '' }, stringifyOutput: '=', noEmptyKeys: {} },
{ input: '&=&', withEmptyKeys: { '': '' }, stringifyOutput: '=', noEmptyKeys: {} },
{ input: '&=&=', withEmptyKeys: { '': ['', ''] }, stringifyOutput: '[0]=&[1]=', noEmptyKeys: {} },
{ input: '&=&=&', withEmptyKeys: { '': ['', ''] }, stringifyOutput: '[0]=&[1]=', noEmptyKeys: {} },

{ input: '=', withEmptyKeys: { '': '' }, noEmptyKeys: {}, stringifyOutput: '=' },
{ input: '=&', withEmptyKeys: { '': '' }, stringifyOutput: '=', noEmptyKeys: {} },
{ input: '=&&&', withEmptyKeys: { '': '' }, stringifyOutput: '=', noEmptyKeys: {} },
{ input: '=&=&=&', withEmptyKeys: { '': ['', '', ''] }, stringifyOutput: '[0]=&[1]=&[2]=', noEmptyKeys: {} },
{ input: '=&a[]=b&a[1]=c', withEmptyKeys: { '': '', a: ['b', 'c'] }, stringifyOutput: '=&a[0]=b&a[1]=c', noEmptyKeys: { a: ['b', 'c'] } },
{ input: '=a', withEmptyKeys: { '': 'a' }, noEmptyKeys: {}, stringifyOutput: '=a' },
{ input: '=a', withEmptyKeys: { '': 'a' }, noEmptyKeys: {}, stringifyOutput: '=a' },
{ input: 'a==a', withEmptyKeys: { a: '=a' }, noEmptyKeys: { a: '=a' }, stringifyOutput: 'a==a' },

{ input: '=&a[]=b', withEmptyKeys: { '': '', a: ['b'] }, stringifyOutput: '=&a[0]=b', noEmptyKeys: { a: ['b'] } },
{ input: '=&a[]=b&a[]=c&a[2]=d', withEmptyKeys: { '': '', a: ['b', 'c', 'd'] }, stringifyOutput: '=&a[0]=b&a[1]=c&a[2]=d', noEmptyKeys: { a: ['b', 'c', 'd'] } },
{ input: '=a&=b', withEmptyKeys: { '': ['a', 'b'] }, stringifyOutput: '[0]=a&[1]=b', noEmptyKeys: {} },
{ input: '=a&foo=b', withEmptyKeys: { '': 'a', foo: 'b' }, noEmptyKeys: { foo: 'b' }, stringifyOutput: '=a&foo=b' },

{ input: 'a[]=b&a=c&=', withEmptyKeys: { '': '', a: ['b', 'c'] }, stringifyOutput: '=&a[0]=b&a[1]=c', noEmptyKeys: { a: ['b', 'c'] } },
{ input: 'a[]=b&a=c&=', withEmptyKeys: { '': '', a: ['b', 'c'] }, stringifyOutput: '=&a[0]=b&a[1]=c', noEmptyKeys: { a: ['b', 'c'] } },
{ input: 'a[0]=b&a=c&=', withEmptyKeys: { '': '', a: ['b', 'c'] }, stringifyOutput: '=&a[0]=b&a[1]=c', noEmptyKeys: { a: ['b', 'c'] } },
{ input: 'a=b&a[]=c&=', withEmptyKeys: { '': '', a: ['b', 'c'] }, stringifyOutput: '=&a[0]=b&a[1]=c', noEmptyKeys: { a: ['b', 'c'] } },
{ input: 'a=b&a[0]=c&=', withEmptyKeys: { '': '', a: ['b', 'c'] }, stringifyOutput: '=&a[0]=b&a[1]=c', noEmptyKeys: { a: ['b', 'c'] } },

{ input: '[]=a&[]=b& []=1', withEmptyKeys: { '': ['a', 'b'], ' ': ['1'] }, stringifyOutput: '[0]=a&[1]=b& [0]=1', noEmptyKeys: { 0: 'a', 1: 'b', ' ': ['1'] } },
{ input: '[0]=a&[1]=b&a[0]=1&a[1]=2', withEmptyKeys: { '': ['a', 'b'], a: ['1', '2'] }, noEmptyKeys: { 0: 'a', 1: 'b', a: ['1', '2'] }, stringifyOutput: '[0]=a&[1]=b&a[0]=1&a[1]=2' },
{ input: '[deep]=a&[deep]=2', withEmptyKeys: { '': { deep: ['a', '2'] } }, stringifyOutput: '[deep][0]=a&[deep][1]=2', noEmptyKeys: { deep: ['a', '2'] } },
{ input: '%5B0%5D=a&%5B1%5D=b', withEmptyKeys: { '': ['a', 'b'] }, stringifyOutput: '[0]=a&[1]=b', noEmptyKeys: { 0: 'a', 1: 'b' } }
{
input: '&',
withEmptyKeys: {},
stringifyOutput: {
brackets: '',
indices: '',
repeat: ''
},
noEmptyKeys: {}
},
{
input: '&&',
withEmptyKeys: {},
stringifyOutput: {
brackets: '',
indices: '',
repeat: ''
},
noEmptyKeys: {}
},
{
input: '&=',
withEmptyKeys: { '': '' },
stringifyOutput: {
brackets: '=',
indices: '=',
repeat: '='
},
noEmptyKeys: {}
},
{
input: '&=&',
withEmptyKeys: { '': '' },
stringifyOutput: {
brackets: '=',
indices: '=',
repeat: '='
},
noEmptyKeys: {}
},
{
input: '&=&=',
withEmptyKeys: { '': ['', ''] },
stringifyOutput: {
brackets: '[]=&[]=',
indices: '[0]=&[1]=',
repeat: '=&='
},
noEmptyKeys: {}
},
{
input: '&=&=&',
withEmptyKeys: { '': ['', ''] },
stringifyOutput: {
brackets: '[]=&[]=',
indices: '[0]=&[1]=',
repeat: '=&='
},
noEmptyKeys: {}
},
{
input: '=',
withEmptyKeys: { '': '' },
noEmptyKeys: {},
stringifyOutput: {
brackets: '=',
indices: '=',
repeat: '='
}
},
{
input: '=&',
withEmptyKeys: { '': '' },
stringifyOutput: {
brackets: '=',
indices: '=',
repeat: '='
},
noEmptyKeys: {}
},
{
input: '=&&&',
withEmptyKeys: { '': '' },
stringifyOutput: {
brackets: '=',
indices: '=',
repeat: '='
},
noEmptyKeys: {}
},
{
input: '=&=&=&',
withEmptyKeys: { '': ['', '', ''] },
stringifyOutput: {
brackets: '[]=&[]=&[]=',
indices: '[0]=&[1]=&[2]=',
repeat: '=&=&='
},
noEmptyKeys: {}
},
{
input: '=&a[]=b&a[1]=c',
withEmptyKeys: { '': '', a: ['b', 'c'] },
stringifyOutput: {
brackets: '=&a[]=b&a[]=c',
indices: '=&a[0]=b&a[1]=c',
repeat: '=&a=b&a=c'
},
noEmptyKeys: { a: ['b', 'c'] }
},
{
input: '=a',
withEmptyKeys: { '': 'a' },
noEmptyKeys: {},
stringifyOutput: {
brackets: '=a',
indices: '=a',
repeat: '=a'
}
},
{
input: 'a==a',
withEmptyKeys: { a: '=a' },
noEmptyKeys: { a: '=a' },
stringifyOutput: {
brackets: 'a==a',
indices: 'a==a',
repeat: 'a==a'
}
},
{
input: '=&a[]=b',
withEmptyKeys: { '': '', a: ['b'] },
stringifyOutput: {
brackets: '=&a[]=b',
indices: '=&a[0]=b',
repeat: '=&a=b'
},
noEmptyKeys: { a: ['b'] }
},
{
input: '=&a[]=b&a[]=c&a[2]=d',
withEmptyKeys: { '': '', a: ['b', 'c', 'd'] },
stringifyOutput: {
brackets: '=&a[]=b&a[]=c&a[]=d',
indices: '=&a[0]=b&a[1]=c&a[2]=d',
repeat: '=&a=b&a=c&a=d'
},
noEmptyKeys: { a: ['b', 'c', 'd'] }
},
{
input: '=a&=b',
withEmptyKeys: { '': ['a', 'b'] },
stringifyOutput: {
brackets: '[]=a&[]=b',
indices: '[0]=a&[1]=b',
repeat: '=a&=b'
},
noEmptyKeys: {}
},
{
input: '=a&foo=b',
withEmptyKeys: { '': 'a', foo: 'b' },
noEmptyKeys: { foo: 'b' },
stringifyOutput: {
brackets: '=a&foo=b',
indices: '=a&foo=b',
repeat: '=a&foo=b'
}
},
{
input: 'a[]=b&a=c&=',
withEmptyKeys: { '': '', a: ['b', 'c'] },
stringifyOutput: {
brackets: '=&a[]=b&a[]=c',
indices: '=&a[0]=b&a[1]=c',
repeat: '=&a=b&a=c'
},
noEmptyKeys: { a: ['b', 'c'] }
},
{
input: 'a[]=b&a=c&=',
withEmptyKeys: { '': '', a: ['b', 'c'] },
stringifyOutput: {
brackets: '=&a[]=b&a[]=c',
indices: '=&a[0]=b&a[1]=c',
repeat: '=&a=b&a=c'
},
noEmptyKeys: { a: ['b', 'c'] }
},
{
input: 'a[0]=b&a=c&=',
withEmptyKeys: { '': '', a: ['b', 'c'] },
stringifyOutput: {
brackets: '=&a[]=b&a[]=c',
indices: '=&a[0]=b&a[1]=c',
repeat: '=&a=b&a=c'
},
noEmptyKeys: { a: ['b', 'c'] }
},
{
input: 'a=b&a[]=c&=',
withEmptyKeys: { '': '', a: ['b', 'c'] },
stringifyOutput: {
brackets: '=&a[]=b&a[]=c',
indices: '=&a[0]=b&a[1]=c',
repeat: '=&a=b&a=c'
},
noEmptyKeys: { a: ['b', 'c'] }
},
{
input: 'a=b&a[0]=c&=',
withEmptyKeys: { '': '', a: ['b', 'c'] },
stringifyOutput: {
brackets: '=&a[]=b&a[]=c',
indices: '=&a[0]=b&a[1]=c',
repeat: '=&a=b&a=c'
},
noEmptyKeys: { a: ['b', 'c'] }
},
{
input: '[]=a&[]=b& []=1',
withEmptyKeys: { '': ['a', 'b'], ' ': ['1'] },
stringifyOutput: {
brackets: '[]=a&[]=b& []=1',
indices: '[0]=a&[1]=b& [0]=1',
repeat: '=a&=b& =1'
},
noEmptyKeys: { 0: 'a', 1: 'b', ' ': ['1'] }
},
{
input: '[0]=a&[1]=b&a[0]=1&a[1]=2',
withEmptyKeys: { '': ['a', 'b'], a: ['1', '2'] },
noEmptyKeys: { 0: 'a', 1: 'b', a: ['1', '2'] },
stringifyOutput: {
brackets: '[]=a&[]=b&a[]=1&a[]=2',
indices: '[0]=a&[1]=b&a[0]=1&a[1]=2',
repeat: '=a&=b&a=1&a=2'
}
},
{
input: '[deep]=a&[deep]=2',
withEmptyKeys: { '': { deep: ['a', '2'] }
},
stringifyOutput: {
brackets: '[deep][]=a&[deep][]=2',
indices: '[deep][0]=a&[deep][1]=2',
repeat: '[deep]=a&[deep]=2'
},
noEmptyKeys: { deep: ['a', '2'] }
},
{
input: '%5B0%5D=a&%5B1%5D=b',
withEmptyKeys: { '': ['a', 'b'] },
stringifyOutput: {
brackets: '[]=a&[]=b',
indices: '[0]=a&[1]=b',
repeat: '=a&=b'
},
noEmptyKeys: { 0: 'a', 1: 'b' }
}
]
};
6 changes: 6 additions & 0 deletions test/parse.js
View file
Expand Up @@ -365,8 +365,14 @@ test('parse()', function (t) {

t.test('allows overriding array limit', function (st) {
st.deepEqual(qs.parse('a[0]=b', { arrayLimit: -1 }), { a: { 0: 'b' } });
st.deepEqual(qs.parse('a[0]=b', { arrayLimit: 0 }), { a: ['b'] });

st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: -1 }), { a: { '-1': 'b' } });
st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: 0 }), { a: { '-1': 'b' } });

st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: -1 }), { a: { 0: 'b', 1: 'c' } });
st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } });

st.end();
});

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