feat: Add PHP version module (#244)

tests/Dockerfile

@@ -61,6 +61,18 @@ RUN mkdir -p "$DOTNET_HOME" \
 ENV PATH $DOTNET_HOME:$PATH
 RUN dotnet help
 
+# Install PHP
+ENV PHP_VERSION 7.3.8
+ENV PHPENV_ROOT /home/nonroot/.phpenv
+ENV PATH $PHPENV_ROOT/bin:$PHPENV_ROOT/shims:$PATH
+ENV CONFIGURE_OPTS "--without-tidy --disable-zip"
+RUN curl -L https://raw.githubusercontent.com/phpenv/phpenv-installer/master/bin/phpenv-installer | bash \
+  && phpenv install $PHP_VERSION \
+  && phpenv global $PHP_VERSION \
+  && chmod -R a+x $PHPENV_ROOT
+# Check that PHP was correctly installed
+RUN php --version
+
 # Install Mercurial
 RUN HGPYTHON3=1 pip install mercurial
 # Check that Mercurial was correctly installed

tests/testsuite/php.rs

@@ -0,0 +1,56 @@
+use std::fs::File;
+use std::io;
+
+use ansi_term::Color;
+
+use crate::common;
+use crate::common::TestCommand;
+
+#[test]
+fn folder_without_php_files() -> io::Result<()> {
+    let dir = common::new_tempdir()?;
+
+    let output = common::render_module("php")
+        .arg("--path")
+        .arg(dir.path())
+        .output()?;
+    let actual = String::from_utf8(output.stdout).unwrap();
+
+    let expected = "";
+    assert_eq!(expected, actual);
+    Ok(())
+}
+
+#[test]
+#[ignore]
+fn folder_with_composer_file() -> io::Result<()> {
+    let dir = common::new_tempdir()?;
+    File::create(dir.path().join("composer.json"))?;
+
+    let output = common::render_module("php")
+        .arg("--path")
+        .arg(dir.path())
+        .output()?;
+    let actual = String::from_utf8(output.stdout).unwrap();
+
+    let expected = format!("via {} ", Color::Red.bold().paint("🐘 v7.3.8"));
+    assert_eq!(expected, actual);
+    Ok(())
+}
+
+#[test]
+#[ignore]
+fn folder_with_php_file() -> io::Result<()> {
+    let dir = common::new_tempdir()?;
+    File::create(dir.path().join("any.php"))?;
+
+    let output = common::render_module("php")
+        .arg("--path")
+        .arg(dir.path())
+        .output()?;
+    let actual = String::from_utf8(output.stdout).unwrap();
+
+    let expected = format!("via {} ", Color::Red.bold().paint("🐘 v7.3.8"));
+    assert_eq!(expected, actual);
+    Ok(())
+}