test: Create xtask test command

.cargo/config.toml

@@ -0,0 +1,5 @@
+[alias]
+xtask = "run --package xtask -- "
+
+[env]
+CARGO_WORKSPACE_DIR = { value = "", relative = true }

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["crates/*"]
+members = ["crates/*", "xtask"]
 resolver = "2"
 
 [profile.dev.build-override]

README.md

@@ -25,7 +25,6 @@ This is a [FHIR](https://www.hl7.org/fhir/) library in its early stages. The mod
   - [x] Create, Read, Update, Delete
   - [x] Search
   - [x] Paging
-  - [ ] Capabilities
   - [ ] Batch operations / Transactions
   - [ ] Operations
   - [ ] Patch
@@ -64,7 +63,7 @@ For more examples, see the [tests](https://github.com/FlixCoder/fhir-sdk/blob/ma
 
 ## Testing
 
-Simply set up the FHIR test server using `docker compose up -d` and run `cargo test --workspace` in the workspace root.
+Simply set up the FHIR test server using `docker compose up -d` in the workspace root and then run `cargo xtask test`.
 
 ## Known Problems
 

xtask/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+edition = "2021"
+name = "xtask"
+version = "0.1.0"
+
+[dependencies]
+clap = { version = "4.4.2", features = ["derive"] }
+color-eyre = "0.6.2"

xtask/README.md

@@ -0,0 +1,4 @@
+# XTask
+
+This is a pattern to manage common use-cases like testing multiple features.
+It is a simple CLI tool that works kind of similar to a `Makefile` and executes certain tasks.

xtask/src/main.rs

@@ -0,0 +1,82 @@
+//! XTask CLI tool.
+#![allow(clippy::expect_used, clippy::print_stdout)]
+
+use std::{env, ffi::OsStr, path::PathBuf, process::Command, str::FromStr};
+
+use clap::Parser;
+use color_eyre::{eyre::bail, Result};
+
+/// XTask pattern helper CLI tool.
+#[derive(Debug, Parser)]
+#[command(about)]
+enum Cli {
+	/// Test command: run all tests with different feature selections.
+	Test,
+}
+
+impl Cli {
+	/// Run the CLI.
+	pub fn run(self) -> Result<()> {
+		match self {
+			Self::Test => Self::run_test()?,
+		}
+		Ok(())
+	}
+
+	/// Run the test sub-command.
+	fn run_test() -> Result<()> {
+		let workspace_path = PathBuf::from_str(&env::var("CARGO_WORKSPACE_DIR")?)?;
+
+		// Run all tests and doc-tests with default features.
+		let mut command = Command::new("cargo");
+		command.args(["test", "--workspace"]).current_dir(&workspace_path);
+		run_command(command)?;
+
+		// Run R4 tests.
+		let mut command = Command::new("cargo");
+		command
+			.args([
+				"test",
+				"--workspace",
+				"--no-default-features",
+				"--features",
+				"r4b,builders,client",
+			])
+			.current_dir(&workspace_path);
+		run_command(command)?;
+
+		// Make sure the models compile without builders in all FHIR versions.
+		let mut command = Command::new("cargo");
+		command.args(["check", "-p", "fhir-model", "--no-default-features", "--features", "r4b"]);
+		run_command(command)?;
+		let mut command = Command::new("cargo");
+		command.args(["check", "-p", "fhir-model", "--no-default-features", "--features", "r5"]);
+		run_command(command)?;
+
+		Ok(())
+	}
+}
+
+/// Print out the command being run and then run it, checking its exit code
+/// afterwards.
+fn run_command(mut command: Command) -> Result<()> {
+	println!(
+		"Running {} {}",
+		command.get_program().to_string_lossy(),
+		command.get_args().map(OsStr::to_string_lossy).collect::<Vec<_>>().join(" ")
+	);
+
+	let exit_code = command.spawn()?.wait()?;
+	if !exit_code.success() {
+		bail!("Command failed!");
+	}
+
+	Ok(())
+}
+
+fn main() -> Result<()> {
+	color_eyre::install()?;
+	let cli = Cli::parse();
+	cli.run()?;
+	Ok(())
+}