From a213f7ee741c176a6c531ca0ecaa6494b8a1bdb7 Mon Sep 17 00:00:00 2001
From: Cassie Jones <code@witchoflight.com>
Date: Sun, 7 Feb 2021 03:30:08 -0500
Subject: [PATCH] [tools] Add tools/test.py as the project test runner

---
 README.md     |  17 +++++++-
 tools/test.py | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 121 insertions(+), 1 deletion(-)
 create mode 100755 tools/test.py

diff --git a/README.md b/README.md
index 0d66851..f9d7df2 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ developed as an educational project to learn more about compiling functional
 languages, and compiling without going through frameworks like LLVM that handle
 the backend. It currently supports x64, and requires clang as an assembler.
 
-Setup:
+## Setup
 
 Running the compiler requires the Ivy runtime be on the linker search path.
 Build the runtime:
@@ -32,3 +32,18 @@ while simultaneously doing pretty-printing of debug output.
 
 To get pretty-printed debug output on a compiled binary, use `tools/trace.py`
 to run it.
+
+## Testing
+
+You can use `tools/test.py` to run all of the project tests. It will ensure
+that the compiler and runtime are properly built before running any filetests.
+
+Filetests are written to be run by `tools/lit.py`, and checked with
+`filecheck`. See filetests in the `tests/` directory for examples.
+
+Recommended `.git/hooks/pre-commit` script:
+```bash
+#!/bin/bash
+set -e
+tools/test.py
+```
diff --git a/tools/test.py b/tools/test.py
new file mode 100755
index 0000000..bf7a2fb
--- /dev/null
+++ b/tools/test.py
@@ -0,0 +1,105 @@
+#!/usr/bin/env python3
+import argparse
+import os
+import subprocess
+import sys
+from pathlib import Path
+
+from fmt import blue, yellow
+
+ROOT = Path(__file__).parent.parent
+
+
+def header(msg):
+    print(blue(msg))
+
+
+def label(msg):
+    print(yellow(msg))
+
+
+def cmd(*args):
+    print(" ".join(args))
+    subprocess.run(args, check=True)
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="""Run tests for the project
+
+If no flags are specified, run all tests.
+"""
+    )
+    parser.add_argument("--compiler", action="store_true")
+    parser.add_argument("--runtime", action="store_true")
+    parser.add_argument("--filetest", action="store_true")
+    parser.add_argument("--python", action="store_true")
+    args = parser.parse_args()
+
+    do_all = not any(vars(args).values())
+    if do_all:
+        for k in vars(args):
+            vars(args)[k] = True
+
+    os.chdir(ROOT)
+
+    # Building and testing the compiler
+    if args.compiler:
+        header("Compiler...")
+
+        label("Format...")
+        cmd("cargo", "fmt", "--", "--check")
+
+        label("Test...")
+        cmd("cargo", "test", "--quiet")
+
+        if args.filetest:
+            label("Build...")
+            cmd("cargo", "build", "--release", "--all")
+    elif args.filetest:
+        header("Build compiler...")
+        cmd("cargo", "build", "--release", "--all")
+
+    # Building and testing the runtime
+    os.chdir("rt")
+    if args.runtime:
+        header("Runtime...")
+
+        label("Format...")
+        cmd("cargo", "fmt", "--", "--check")
+
+        label("Test...")
+        cmd("cargo", "test", "--quiet")
+
+        if args.filetest:
+            label("Build...")
+            cmd("cargo", "build", "--release", "--all")
+    elif args.filetest:
+        header("Build runtime...")
+        cmd("cargo", "build", "--release", "--all")
+    os.chdir(ROOT)
+
+    # Filetests
+    if args.filetest:
+        header("Filetests...")
+
+        label("Lit...")
+        cmd("tools/lit.py", "ivy-examples/", "test/")
+
+    # Linting the Python scripts
+    if args.python:
+        header("Python...")
+
+        label("Black...")
+        cmd("black", "test/", "--check", "--diff", "--color")
+
+        label("isort...")
+        cmd("isort", "test/", "--check", "--diff", "--color")
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as e:
+        print(e)
+        sys.exit(1)
-- 
2.47.0