Implement test suite for fs

.gitignore

@@ -1,3 +1,4 @@
+/bin
 /target
 
 .DS_Store

src/lib/lib.rs

@@ -94,6 +94,8 @@ mod tests {
         console_format: "console/format",
         console_set_color: "console/set_color",
         console_set_style: "console/set_style",
+        fs_files: "fs/files",
+        fs_dirs: "fs/dirs",
         process_args: "process/args",
         process_env: "process/env",
         process_spawn: "process/spawn",

src/tests/fs/dirs.luau

@@ -0,0 +1,22 @@
+-- Write two inner dirs in the bir dir, a parent and a child
+
+fs.writeDir("bin/test_dir/test_inner")
+
+-- Make sure dir checks succeed but file
+-- checks fail for all levels of dirs
+
+assert(fs.isDir("bin"), "Dir root isDir check failed")
+assert(fs.isDir("bin/test_dir"), "Dir outer isDir check failed")
+assert(fs.isDir("bin/test_dir/test_inner"), "Dir inner isDir check failed")
+
+assert(not fs.isFile("bin"), "Dir root isFile check failed")
+assert(not fs.isFile("bin/test_dir"), "Dir outer isFile check failed")
+assert(not fs.isFile("bin/test_dir/test_inner"), "Dir inner isFile check failed")
+
+-- Remove the created parent and child dirs and
+-- make sure the APIs say they no longer exist
+
+fs.removeDir("bin/test_dir/")
+
+assert(not fs.isDir("bin/test_dir"), "After removal isDir check failed")
+assert(not fs.isFile("bin/test_dir"), "After removal isFile check failed")

src/tests/fs/files.luau

@@ -0,0 +1,52 @@
+-- Generate test data & make sure our bin dir exists
+
+local binary = ""
+for _ = 1, 1024 do
+	binary ..= string.char(math.random(1, 127))
+end
+
+local json = net.jsonEncode({
+	Foo = "Bar",
+	Hello = "World",
+	Inner = { Array = { 1, 2, 3 } },
+}, true)
+
+fs.writeDir("bin")
+
+-- Write both of our files
+
+fs.writeFile("bin/test_binary", binary)
+fs.writeFile("bin/test_json.json", json)
+
+-- Make sure reading the file we just
+-- wrote gets us back the original strings
+
+assert(
+	fs.readFile("bin/test_binary") == binary,
+	"Binary file round-trip resulted in different strings"
+)
+
+assert(
+	fs.readFile("bin/test_json.json") == json,
+	"JSON file round-trip resulted in different strings"
+)
+
+-- Make sure file checks succeed but dir checks fail
+
+assert(fs.isFile("bin/test_binary"), "Binary file isFile check failed")
+assert(fs.isFile("bin/test_json.json"), "JSON file isFile check failed")
+
+assert(not fs.isDir("bin/test_binary"), "Binary file isDir check failed")
+assert(not fs.isDir("bin/test_json.json"), "JSON file isDir check failed")
+
+-- Remove the files and make sure
+-- the APIs say they no longer exist
+
+fs.removeFile("bin/test_binary")
+fs.removeFile("bin/test_json.json")
+
+assert(not fs.isDir("bin/test_binary"), "Binary after removal isDir check failed")
+assert(not fs.isFile("bin/test_binary"), "Binary after removal isFile check failed")
+
+assert(not fs.isDir("bin/test_json.json"), "JSON after removal isDir check failed")
+assert(not fs.isFile("bin/test_json.json"), "JSON after removal isFile check failed")