Install latexindent in Actions and try a test

.github/workflows/texlive_on_linux.yml

@@ -1,6 +1,6 @@
 name: TeX Live on Linux
 env:
-  cache-version: v11
+  cache-version: v12
 on: [push]
 
 permissions:
@@ -38,17 +38,23 @@ jobs:
         tlmgr update --self
         tlmgr install collection-latex
         tlmgr install import subfiles latexmk makeindex
-        tlmgr install chktex lacheck
+        tlmgr install chktex lacheck latexindent
+      if: steps.cache-texlive.outputs.cache-hit != 'true'
+    - name: Download latexindent binary
+      run: |
+        curl -s -O -L http://mirrors.ctan.org/support/latexindent/bin/linux/latexindent
+        mv latexindent /tmp/texlive/bin/x86_64-linux/latexindent-binary
+        chmod +x /tmp/texlive/bin/x86_64-linux/latexindent-binary
       if: steps.cache-texlive.outputs.cache-hit != 'true'
     - uses: actions/setup-node@v3
       with:
         node-version: '16'
-    - run: latex -v
     - run: |
-        which perl
         perl -v
-    - run: perl -MCwd -e 'print $Cwd::VERSION."\n";'
-    - run: latexmk -v
+        perl -MCwd -e 'print $Cwd::VERSION."\n";'
+    - run: |
+        latex -v
+        latexmk -v
     - run: |
         npm ci
         npm run compile

.github/workflows/texlive_on_mac.yml

@@ -1,6 +1,6 @@
 name: TeX Live on macOS
 env:
-  cache-version: v11
+  cache-version: v12
 on: [push]
 
 permissions:
@@ -38,17 +38,22 @@ jobs:
       run: |
         tlmgr install collection-latex
         tlmgr install import subfiles latexmk makeindex
-        tlmgr install chktex lacheck
+        tlmgr install chktex lacheck latexindent
+      if: steps.cache-texlive.outputs.cache-hit != 'true'
+    - name: Download latexindent binary
+      run: |
+        curl -s -O -L http://mirrors.ctan.org/support/latexindent/bin/macos/latexindent
+        [ -d /Users/runner/texlive/bin/x86_64-darwin/ ] && mv latexindent /Users/runner/texlive/bin/x86_64-darwin/latexindent-binary && chmod +x /Users/runner/texlive/bin/x86_64-darwin/latexindent-binary || [ -d /Users/runner/texlive/bin/universal-darwin/ ] && mv latexindent /Users/runner/texlive/bin/universal-darwin/latexindent-binary && chmod +x /Users/runner/texlive/bin/universal-darwin/latexindent-binary
       if: steps.cache-texlive.outputs.cache-hit != 'true'
     - uses: actions/setup-node@v3
       with:
         node-version: '16'
-    - run: latex -v
     - run: |
-        which perl
         perl -v
-    - run: perl -MCwd -e 'print $Cwd::VERSION."\n";'
-    - run: latexmk -v
+        perl -MCwd -e 'print $Cwd::VERSION."\n";'
+    - run: |
+        latex -v
+        latexmk -v
     - run: |
         npm ci
         npm run compile

.github/workflows/texlive_on_win.yml

@@ -1,6 +1,6 @@
 name: TeX Live on Windows
 env:
-  cache-version: v11
+  cache-version: v12
 on: [push]
 
 permissions:
@@ -42,15 +42,22 @@ jobs:
       run: |
         tlmgr install collection-latex
         tlmgr install import subfiles latexmk makeindex
-        tlmgr install chktex lacheck
+        tlmgr install chktex lacheck latexindent
+      if: steps.cache-texlive.outputs.cache-hit != 'true'
+    - name: Download latexindent binary
+      run: |
+        curl -s -O -L http://mirrors.ctan.org/support/latexindent/bin/windows/latexindent.exe
+        move "latexindent.exe" "D:\texlive\bin\win32\latexindent-binary.exe"
       if: steps.cache-texlive.outputs.cache-hit != 'true'
     - uses: actions/setup-node@v3
       with:
         node-version: '16'
-    - run: latex -v
-    - run: perl -v
-    - run: perl -MCwd -e 'print $Cwd::VERSION."\n";'
-    - run: latexmk -v
+    - run: |
+        perl -v
+        perl -MCwd -e 'print $Cwd::VERSION."\n";'
+    - run: |
+        latex -v
+        latexmk -v
     - run: |
         npm ci
         npm run compile

.vscode/launch.json

@@ -32,7 +32,7 @@
             "preLaunchTask": "task-watch-all",
             "env": {
                 "LATEXWORKSHOP_CI": "1",
-                "LATEXWORKSHOP_SUITE": ""
+                "LATEXWORKSHOP_SUITE": "09_formatter"
             }
         },
         {

test/fixtures/armory/formatter/latex_base.tex

@@ -0,0 +1,4 @@
+\documentclass{article}
+    \begin{document}
+        abc
+            \end{document}

test/suites/09_formatter.test.ts

@@ -0,0 +1,46 @@
+import * as vscode from 'vscode'
+import * as path from 'path'
+import * as assert from 'assert'
+import rimraf from 'rimraf'
+import * as lw from '../../src/lw'
+import { sleep, runTest, openActive, loadTestFile } from './utils'
+
+suite('Formatter test suite', () => {
+
+    const suiteName = path.basename(__filename).replace('.test.js', '')
+    let fixture = path.resolve(__dirname, '../../../test/fixtures/testground')
+    const fixtureName = 'testground'
+
+    suiteSetup(() => {
+        fixture = path.resolve(lw.extensionRoot, 'test/fixtures/testground')
+    })
+
+    setup(async () => {
+        await vscode.commands.executeCommand('latex-workshop.activate')
+        await vscode.workspace.getConfiguration('latex-workshop').update('latexindent.path', 'latexindent-binary')
+    })
+
+    teardown(async () => {
+        await vscode.commands.executeCommand('workbench.action.closeAllEditors')
+        lw.manager.rootFile = undefined
+
+        await vscode.workspace.getConfiguration('latex-workshop').update('latexindent.path', undefined)
+        await vscode.workspace.getConfiguration('latex-workshop').update('latexindent.args', undefined)
+
+        if (path.basename(fixture) === 'testground') {
+            rimraf(fixture + '/{*,.vscode/*}', (e) => {if (e) {console.error(e)}})
+            await sleep(500) // Required for pooling
+        }
+    })
+
+    runTest({suiteName, fixtureName, testName: 'test latex formatter with dummy'}, async () => {
+        await loadTestFile(fixture, [
+            {src: 'formatter/latex_base.tex', dst: 'main.tex'}
+        ])
+        await openActive(fixture, 'main.tex')
+        const original = vscode.window.activeTextEditor?.document.getText()
+        await vscode.commands.executeCommand('editor.action.formatDocument')
+        const formatted = vscode.window.activeTextEditor?.document.getText()
+        assert.notStrictEqual(original, formatted)
+    })
+})

test/suites/index.ts

@@ -7,7 +7,7 @@ export function run(): Promise<void> {
     const mocha = new Mocha({
         ui: 'tdd',
         color: true,
-        timeout: 15000,
+        timeout: process.env['LATEXWORKSHOP_CLI'] ? 15000 : 10000,
         retries: process.env['LATEXWORKSHOP_CLI'] ? 5 : 0
     })