// Mock @actions/core before any imports

jest.mock('@actions/core', () => ({

warning: jest.fn(),

debug: jest.fn(),

info: jest.fn(),

getInput: jest.fn()

}))

import * as core from '@actions/core'

import {getInputs} from '../src/inputs'

const mockGetInput = core.getInput as jest.MockedFunction<typeof core.getInput>

describe('getInputs', () => {

beforeEach(() => {

jest.clearAllMocks()

// Default mock implementation — no inputs set

mockGetInput.mockReturnValue('')

})

it('requires base-ref', () => {

mockGetInput.mockImplementation((name: string) => {

if (name === 'base-ref') return ''

return ''

})

expect(() => getInputs()).toThrow('base-ref is required')

})

it('parses all inputs correctly', () => {

mockGetInput.mockImplementation((name: string) => {

switch (name) {

case 'base-ref':

return 'v1.0'

case 'head-ref':

return 'v2.0'

case 'instructions':

return 'guide.md'

case 'model':

return 'gpt-4'

case 'pr-strategy':

return 'github-api'

default:

return ''

}

})

const inputs = getInputs()

expect(inputs.baseRef).toBe('v1.0')

expect(inputs.headRef).toBe('v2.0')

expect(inputs.model).toBe('gpt-4')

expect(inputs.prStrategy).toBe('github-api')

})

it('defaults head-ref to HEAD', () => {

mockGetInput.mockImplementation((name: string) => {

if (name === 'base-ref') return 'v1.0'

return ''

})

const inputs = getInputs()

expect(inputs.headRef).toBe('HEAD')

})

it('defaults pr-strategy to merge-commits', () => {

mockGetInput.mockImplementation((name: string) => {

if (name === 'base-ref') return 'v1.0'

return ''

})

const inputs = getInputs()

expect(inputs.prStrategy).toBe('merge-commits')

})

it('rejects invalid pr-strategy', () => {

mockGetInput.mockImplementation((name: string) => {

if (name === 'base-ref') return 'v1.0'

if (name === 'pr-strategy') return 'invalid'

return ''

})

expect(() => getInputs()).toThrow('Invalid pr-strategy')

})

})