Implemented self-update feature check

Author: asgrim

.github/pie-behaviour-tests/Dockerfile

@@ -1,12 +1,18 @@
 # An approximately reproducible, but primarily isolated, environment for
 # running the acceptance tests:
 #
-# docker buildx build --file .github/pie-behaviour-tests/Dockerfile -t pie-behat-test .
+# GITHUB_TOKEN=$(composer config --global --auth github-oauth.github.com) docker buildx build --file .github/pie-behaviour-tests/Dockerfile --secret id=GITHUB_TOKEN,env=GITHUB_TOKEN -t pie-behat-test .
 # docker run --volume .:/github/workspace -ti pie-behat-test
 FROM alpine/git:v2.49.1 AS clone_ext_repo
 
 RUN cd / && git clone https://github.com/asgrim/example-pie-extension.git
 
+FROM boxproject/box:4.6.10 AS build_pie_phar
+
+RUN apk add git
+COPY . /app
+RUN cd /app && /box.phar compile
+
 FROM ubuntu:24.04 AS default
 
 # Add the `unzip` package which PIE uses to extract .zip files
@@ -44,6 +50,13 @@ COPY --from=clone_ext_repo /example-pie-extension /example-pie-extension
 
 WORKDIR /github/workspace
 
+COPY --from=composer /usr/bin/composer /usr/bin/composer
+RUN --mount=type=secret,id=GITHUB_TOKEN,env=GITHUB_TOKEN \
+    composer config --global --auth github-oauth.github.com $GITHUB_TOKEN
+
+COPY --from=build_pie_phar /app/pie.phar /usr/local/bin/pie
+COPY --from=build_pie_phar /app/pie.phar /usr/local/bin/pie.original
+
 ENV USING_PIE_BEHAT_DOCKERFILE=1
 ENTRYPOINT ["php", "vendor/bin/behat"]
 CMD ["--no-snippets"]

.github/workflows/continuous-integration.yml

@@ -147,7 +147,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: ramsey/composer-install@v3
       - name: Build
-        run: docker buildx build --file .github/pie-behaviour-tests/Dockerfile --build-arg PHP_VERSION=${{ matrix.php-versions }} -t pie-behat-test .
+        run: docker buildx build --file .github/pie-behaviour-tests/Dockerfile --secret id=GITHUB_TOKEN,env=GITHUB_TOKEN --build-arg PHP_VERSION=${{ matrix.php-versions }} -t pie-behat-test .
       - name: Run Behat
         run: docker run --volume .:/github/workspace pie-behat-test
         env:

features/self-update.feature

@@ -3,7 +3,7 @@ Feature: PIE can update itself and verify it is authentic
   # pie self-update
   Example: PIE can update itself
     Given I have an old version of PIE
-    When I update PIE to the latest stable version
+    When I update PIE to the latest version
     Then I should see I have been updated to the latest version
 
   # pie self-verify

test/behaviour/CliContext.php

@@ -14,12 +14,15 @@
 
 use function array_merge;
 use function assert;
+use function copy;
 use function realpath;
 use function sprintf;
 
 class CliContext implements Context
 {
     private const PHP_BINARY         = 'php';
+    private const PIE_BINARY         = '/usr/local/bin/pie';
+    private const PIE_BINARY_BACKUP  = '/usr/local/bin/pie.original';
     private string|null $output      = null;
     private string|null $errorOutput = null;
     private int|null $exitCode       = null;
@@ -44,7 +47,7 @@ public function iRunACommandToDownloadSpecificVersionOfAnExtension(string $versi
     /** @param list<non-empty-string> $command */
     public function runPieCommand(array $command): void
     {
-        $pieCommand = array_merge([self::PHP_BINARY, ...$this->phpArguments, 'bin/pie'], $command);
+        $pieCommand = array_merge([self::PHP_BINARY, ...$this->phpArguments, self::PIE_BINARY], $command);
 
         if ($this->workingDirectory !== null) {
             $pieCommand[] = '--working-dir';
@@ -374,4 +377,26 @@ public function iRunACommandToInstallTheExtension(): void
         $this->thePackage   = 'asgrim/example-pie-extension';
         $this->runPieCommand(['install']);
     }
+
+    #[Given('I have an old version of PIE')]
+    public function iHaveAnOldVersionOfPIE(): void
+    {
+        // noop
+    }
+
+    #[When('I update PIE to the latest version')]
+    public function iUpdatePIEToTheLatestNightlyVersion(): void
+    {
+        $this->runPieCommand(['self-update', '--nightly', '-v']);
+
+        copy(self::PIE_BINARY_BACKUP, self::PIE_BINARY);
+    }
+
+    #[Then('I should see I have been updated to the latest version')]
+    public function iShouldSeeIHaveBeenUpdatedToTheLatestVersion(): void
+    {
+        $this->assertCommandSuccessful();
+        Assert::contains($this->output, '✅ Verified the new PIE version');
+        Assert::contains($this->output, '✅ PIE has been upgraded to nightly');
+    }
 }