Process input and create check-run

src/main.ts

@@ -1,11 +1,52 @@
 import * as core from '@actions/core'
+import * as github from '@actions/github'
+import {parseJestJunit} from './parsers/jest-junit/jest-junit-parser'
+import {ParseTestResult} from './parsers/test-parser'
+import {getFileContent} from './utils/file-utils'
+import {getCheckRunSha} from './utils/github-utils'
 
 async function run(): Promise<void> {
   try {
-    core.info('TODO')
+    await main()
   } catch (error) {
     core.setFailed(error.message)
   }
 }
 
+async function main(): Promise<void> {
+  const name = core.getInput('name', {required: true})
+  const path = core.getInput('path', {required: true})
+  const reporter = core.getInput('reporter', {required: true})
+  const token = core.getInput('token', {required: true})
+
+  const octokit = github.getOctokit(token)
+  const sha = getCheckRunSha()
+
+  const parser = getParser(reporter)
+  const content = getFileContent(path)
+  const result = await parser(content)
+
+  await octokit.checks.create({
+    head_sha: sha,
+    name,
+    status: 'completed',
+    conclusion: result.success ? 'success' : 'failure',
+    output: result.output,
+    ...github.context.repo
+  })
+}
+
+function getParser(reporter: string): ParseTestResult {
+  switch (reporter) {
+    case 'dotnet-trx':
+      throw new Error('Not implemented yet!')
+    case 'flutter-machine':
+      throw new Error('Not implemented yet!')
+    case 'jest-junit':
+      return parseJestJunit
+    default:
+      throw new Error(`Input parameter 'reporter' is set to invalid value '${reporter}'`)
+  }
+}
+
 run()

src/utils/file-utils.ts

@@ -0,0 +1,13 @@
+import * as fs from 'fs'
+
+export function getFileContent(path: string): string {
+  if (!fs.existsSync(path)) {
+    throw new Error(`File '${path}' not found`)
+  }
+
+  if (!fs.lstatSync(path).isFile()) {
+    throw new Error(`'${path}' is not a file`)
+  }
+
+  return fs.readFileSync(path, {encoding: 'utf8'})
+}

src/utils/github-utils.ts

@@ -0,0 +1,11 @@
+import * as github from '@actions/github'
+import {EventPayloads} from '@octokit/webhooks'
+
+export function getCheckRunSha(): string {
+  if (github.context.payload.pull_request) {
+    const pr = github.context.payload.pull_request as EventPayloads.WebhookPayloadPullRequestPullRequest
+    return pr.head.sha
+  }
+
+  return github.context.sha
+}