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Copy pathdedupe.test.ts
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210 lines (195 loc) · 3.84 KB
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import { beforeEach, describe, expect, it } from 'vitest'
import { dedupeImports } from '../src/utils'
describe('dedupeImports', () => {
let warnMsg = ''
const warnFn = (msg: string) => {
warnMsg = msg
}
beforeEach(() => {
warnMsg = ''
})
it('later should have hight priority', () => {
expect(dedupeImports(
[
{
name: 'foo',
from: 'module1',
},
{
name: 'foo',
from: 'module2',
},
],
warnFn,
)).toMatchInlineSnapshot(`
[
{
"from": "module2",
"name": "foo",
},
]
`)
expect(warnMsg)
.toMatchInlineSnapshot(`"Duplicated imports "foo", the one from "module1" has been ignored and "module2" is used"`)
})
it('respect explit priority', () => {
expect(dedupeImports(
[
{
name: 'foo',
from: 'module1',
},
{
name: 'foo',
from: 'module2',
priority: 2,
},
{
name: 'foo',
from: 'module3',
priority: 1,
},
],
warnFn,
)).toMatchInlineSnapshot(`
[
{
"from": "module2",
"name": "foo",
"priority": 2,
},
]
`)
})
it('should respect negative priority', () => {
expect(dedupeImports(
[
{
name: 'foo',
from: 'module1',
},
{
name: 'foo',
from: 'module2',
priority: -1,
},
],
warnFn,
)).toMatchInlineSnapshot(`
[
{
"from": "module1",
"name": "foo",
},
]
`)
expect(warnMsg).toMatchInlineSnapshot(`""`)
})
it('should treat priority 0 as lower than default', () => {
expect(dedupeImports(
[
{
name: 'foo',
from: 'module1',
},
{
name: 'foo',
from: 'module2',
priority: 0,
},
],
warnFn,
)).toMatchInlineSnapshot(`
[
{
"from": "module1",
"name": "foo",
},
]
`)
expect(warnMsg).toMatchInlineSnapshot(`""`)
})
it('should not dedupe disabled imports', () => {
const imports = [
{
name: 'foo',
from: 'moduleA',
disabled: true,
},
{
name: 'foo',
from: 'moduleB',
},
{
name: 'foo',
from: 'moduleC',
},
]
expect(dedupeImports(imports, warnFn)).toMatchInlineSnapshot(`
[
{
"disabled": true,
"from": "moduleA",
"name": "foo",
},
{
"from": "moduleC",
"name": "foo",
},
]
`)
expect(warnMsg).toMatchInlineSnapshot(`"Duplicated imports "foo", the one from "moduleB" has been ignored and "moduleC" is used"`)
})
it('should not warn about duplicates when one is disabled', () => {
expect(dedupeImports(
[
{
name: 'foo',
from: 'module1',
disabled: true,
},
{
name: 'foo',
from: 'module2',
},
],
warnFn,
)).toMatchInlineSnapshot(`
[
{
"disabled": true,
"from": "module1",
"name": "foo",
},
{
"from": "module2",
"name": "foo",
},
]
`)
expect(warnMsg).toMatchInlineSnapshot('""')
})
it('should dedupe some from', () => {
expect(dedupeImports(
[
{
name: 'foo',
from: 'module1',
},
{
name: 'foo',
from: 'module1',
},
],
warnFn,
)).toMatchInlineSnapshot(`
[
{
"from": "module1",
"name": "foo",
},
]
`)
expect(warnMsg).toMatchInlineSnapshot('""')
})
})