test: move tests and fixtures to top-level "tests" directory (#29)

tests/fixtures/core.ts

@@ -0,0 +1,10 @@
+import type * as core from '@actions/core'
+import { jest } from '@jest/globals'
+
+export const debug = jest.fn<typeof core.debug>()
+export const error = jest.fn<typeof core.error>()
+export const info = jest.fn<typeof core.info>()
+export const getInput = jest.fn<typeof core.getInput>()
+export const setOutput = jest.fn<typeof core.setOutput>()
+export const setFailed = jest.fn<typeof core.setFailed>()
+export const warning = jest.fn<typeof core.warning>()

tests/fixtures/csv-parse.ts

@@ -0,0 +1,13 @@
+import { jest } from '@jest/globals'
+import { parse as realParse } from 'csv-parse/sync'
+
+export const parse = jest.fn()
+
+// Helper to reset to real implementation after jest.resetAllMocks()
+export const resetToRealImplementation = (): void => {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  parse.mockImplementation(realParse as any)
+}
+
+// Initialize with real implementation
+resetToRealImplementation()

tests/fixtures/github.ts

@@ -0,0 +1,27 @@
+import { jest } from '@jest/globals'
+
+export const mockOctokit = {
+  rest: {
+    git: {
+      getRef: jest.fn<(args: unknown) => Promise<unknown>>(),
+      createRef: jest.fn<(args: unknown) => Promise<unknown>>(),
+      updateRef: jest.fn<(args: unknown) => Promise<unknown>>(),
+      createTag: jest.fn<(args: unknown) => Promise<unknown>>(),
+      getTag: jest.fn<(args: unknown) => Promise<unknown>>()
+    },
+    repos: {
+      getCommit: jest.fn<(args: unknown) => Promise<unknown>>()
+    }
+  }
+}
+
+export const getOctokit = jest
+  .fn<(token: string) => typeof mockOctokit>()
+  .mockReturnValue(mockOctokit)
+
+export const context = {
+  repo: {
+    owner: 'test-owner',
+    repo: 'test-repo'
+  }
+}