From 8bd8aaa7d63ae22f3f441665dd73b309ad2b7a50 Mon Sep 17 00:00:00 2001
From: Shohei Ueda <30958501+peaceiris@users.noreply.github.com>
Date: Fri, 3 Jan 2020 16:18:51 +0900
Subject: [PATCH] test: Add test for showVersion() (#28)

* test: Rename index.test.ts to main.test.ts
* test: Add test for showVersion()
---
 __tests__/{index.test.ts => main.test.ts} | 17 +++++++++++++++++
 src/main.ts                               | 17 +++++++++++++----
 2 files changed, 30 insertions(+), 4 deletions(-)
 rename __tests__/{index.test.ts => main.test.ts} (67%)

diff --git a/__tests__/index.test.ts b/__tests__/main.test.ts
similarity index 67%
rename from __tests__/index.test.ts
rename to __tests__/main.test.ts
index 94a3909..d1215c9 100644
--- a/__tests__/index.test.ts
+++ b/__tests__/main.test.ts
@@ -25,3 +25,20 @@ describe('run()', () => {
     expect(result.output).toMatch(/mdbook v/);
   });
 });
+
+describe('showVersion()', () => {
+  let result: main.actionResult = {
+    exitcode: 0,
+    output: '',
+    error: ''
+  };
+
+  test('Success case', async () => {
+    result = await main.showVersion('git', ['--version']);
+    expect(result.exitcode).toBe(0);
+    expect(result.output).toMatch(/git version/);
+  });
+
+  // test('Failure case', async () => {
+  // });
+});
diff --git a/src/main.ts b/src/main.ts
index 8a857b1..9125935 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -4,12 +4,17 @@ import getLatestVersion from './get-latest-version';
 import installer from './installer';
 
 export interface actionResult {
+  exitcode: number;
   output: string;
   error: string;
 }
 
-async function showVersion(cmd: string, args: string[]): Promise<actionResult> {
+export async function showVersion(
+  cmd: string,
+  args: string[]
+): Promise<actionResult> {
   let result: actionResult = {
+    exitcode: 0,
     output: '',
     error: ''
   };
@@ -25,7 +30,10 @@ async function showVersion(cmd: string, args: string[]): Promise<actionResult> {
     }
   };
 
-  await exec.exec(cmd, args, options);
+  result.exitcode = await exec.exec(cmd, args, options);
+  core.debug(`exit code: ${result.exitcode}`);
+  core.debug(`stdout: ${result.output}`);
+  core.debug(`stderr: ${result.error}`);
   return result;
 }
 
@@ -35,6 +43,7 @@ export async function run(): Promise<any> {
     const mdbookVersion: string = core.getInput('mdbook-version');
 
     let result: actionResult = {
+      exitcode: 0,
       output: '',
       error: ''
     };
@@ -47,13 +56,13 @@ export async function run(): Promise<any> {
       );
       console.log(`mdbook version: ${latestVersion} (${mdbookVersion})`);
       await installer(latestVersion);
-      result = await showVersion('mdbook', ['--version']);
     } else {
       console.log(`mdbook version: ${mdbookVersion}`);
       await installer(mdbookVersion);
-      result = await showVersion('mdbook', ['--version']);
     }
 
+    result = await showVersion('mdbook', ['--version']);
+
     return result;
   } catch (error) {
     core.setFailed(error.message);