250 lines
7.3 KiB
Rust
250 lines
7.3 KiB
Rust
use std::{
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ffi::OsStr,
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fs,
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path::Path,
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process::{Command, Output},
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};
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const EXPECTED_LOCAL_TEST_OUTPUT: &str = concat!(
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"test \"explicit local json quote escapes facade\" ... ok\n",
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"test \"explicit local json scalar values facade\" ... ok\n",
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"test \"explicit local json fields facade\" ... ok\n",
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"test \"explicit local json arrays objects facade\" ... ok\n",
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"test \"explicit local json facade all\" ... ok\n",
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"5 test(s) passed\n",
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);
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const EXPECTED_STD_IMPORT_TEST_OUTPUT: &str = concat!(
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"test \"explicit std json quote escapes facade\" ... ok\n",
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"test \"explicit std json scalar values facade\" ... ok\n",
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"test \"explicit std json fields facade\" ... ok\n",
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"test \"explicit std json arrays objects facade\" ... ok\n",
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"test \"explicit std json facade all\" ... ok\n",
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"5 test(s) passed\n",
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);
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const STANDARD_JSON_SOURCE_FACADE_ALPHA: &[&str] = &[
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"quote_string",
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"null_value",
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"bool_value",
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"i32_value",
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"u32_value",
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"i64_value",
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"u64_value",
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"f64_value",
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"field_string",
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"field_bool",
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"field_i32",
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"field_u32",
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"field_i64",
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"field_u64",
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"field_f64",
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"field_null",
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"array0",
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"array1",
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"array2",
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"array3",
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"object0",
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"object1",
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"object2",
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"object3",
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];
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const STANDARD_JSON_RUNTIME_NAMES: &[&str] = &[
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"std.json.quote_string",
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"std.string.concat",
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"std.num.i32_to_string",
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"std.num.u32_to_string",
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"std.num.i64_to_string",
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"std.num.u64_to_string",
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"std.num.f64_to_string",
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];
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#[test]
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fn standard_json_source_facade_project_checks_formats_and_tests() {
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let project =
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Path::new(env!("CARGO_MANIFEST_DIR")).join("../examples/projects/std-layout-local-json");
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assert_local_json_fixture_is_source_authored(&project);
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let fmt = run_glagol([
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OsStr::new("fmt"),
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OsStr::new("--check"),
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project.as_os_str(),
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]);
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assert_success("std layout local json fmt --check", &fmt);
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let check = run_glagol([OsStr::new("check"), project.as_os_str()]);
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assert_success_stdout(check, "", "std layout local json check");
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let test = run_glagol([OsStr::new("test"), project.as_os_str()]);
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assert_success_stdout(
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test,
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EXPECTED_LOCAL_TEST_OUTPUT,
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"std layout local json test output",
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);
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}
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#[test]
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fn standard_json_std_import_project_checks_formats_and_tests() {
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let project =
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Path::new(env!("CARGO_MANIFEST_DIR")).join("../examples/projects/std-import-json");
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assert_std_import_json_fixture_uses_repo_std(&project);
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let fmt = run_glagol([
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OsStr::new("fmt"),
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OsStr::new("--check"),
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project.as_os_str(),
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]);
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assert_success("std import json fmt --check", &fmt);
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let check = run_glagol([OsStr::new("check"), project.as_os_str()]);
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assert_success_stdout(check, "", "std import json check");
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let test = run_glagol([OsStr::new("test"), project.as_os_str()]);
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assert_success_stdout(
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test,
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EXPECTED_STD_IMPORT_TEST_OUTPUT,
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"std import json test output",
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);
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}
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fn assert_local_json_fixture_is_source_authored(project: &Path) {
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let json = read(&project.join("src/json.slo"));
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let main = read(&project.join("src/main.slo"));
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assert!(
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json.starts_with("(module json (export "),
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"json.slo must stay an explicit local module export"
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);
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assert!(
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main.starts_with("(module main)\n\n(import json ("),
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"main.slo must stay an explicit local json import"
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);
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assert!(
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!main.contains("(import std") && !main.contains("(import slovo.std"),
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"json fixture must not depend on automatic or package std imports"
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);
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assert_json_source_shape(&json, &main, "local json fixture");
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assert!(
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!main.contains("std."),
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"local json main fixture must use only local imports"
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);
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}
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fn assert_std_import_json_fixture_uses_repo_std(project: &Path) {
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let std_json = read(&Path::new(env!("CARGO_MANIFEST_DIR")).join("../lib/std/json.slo"));
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let main = read(&project.join("src/main.slo"));
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assert!(
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!project.join("src/json.slo").exists(),
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"std import json fixture must use repo-root std/json.slo, not a local copy"
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);
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assert!(
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main.starts_with("(module main)\n\n(import std.json ("),
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"std import json fixture must use explicit `std.json` import syntax"
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);
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assert_json_source_shape(&std_json, &main, "repo std.json fixture");
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}
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fn assert_json_source_shape(json: &str, main: &str, context: &str) {
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for runtime_name in STANDARD_JSON_RUNTIME_NAMES {
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assert!(
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json.contains(runtime_name),
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"{} must wrap or compose `{}`",
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context,
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runtime_name
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);
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}
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assert_std_only_contains(json, STANDARD_JSON_RUNTIME_NAMES, context);
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assert!(
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!json.contains("parse")
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&& !json.contains("token")
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&& !json.contains("map")
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&& !json.contains("unicode")
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&& !json.contains("schema")
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&& !json.contains("stream")
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&& !main.contains("parse")
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&& !main.contains("token")
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&& !main.contains("map")
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&& !main.contains("unicode")
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&& !main.contains("schema")
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&& !main.contains("stream"),
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"{} must not claim deferred JSON parsing or richer data APIs",
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context
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);
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for helper in STANDARD_JSON_SOURCE_FACADE_ALPHA {
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assert!(
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json.contains(&format!("(fn {} ", helper)),
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"{} is missing source facade `{}`",
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context,
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helper
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);
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assert!(
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main.contains(helper),
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"{} main fixture import/use is missing `{}`",
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context,
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helper
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);
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}
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}
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fn assert_std_only_contains(source: &str, allowed: &[&str], context: &str) {
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let mut remaining = source.to_string();
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for name in allowed {
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remaining = remaining.replace(name, "");
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}
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assert!(
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!remaining.contains("std."),
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"{} introduced unexpected compiler-known std names",
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context
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);
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}
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fn run_glagol<I, S>(args: I) -> Output
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where
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I: IntoIterator<Item = S>,
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S: AsRef<std::ffi::OsStr>,
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{
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Command::new(env!("CARGO_BIN_EXE_glagol"))
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.args(args)
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.current_dir(Path::new(env!("CARGO_MANIFEST_DIR")))
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.output()
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.expect("run glagol")
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}
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fn read(path: &Path) -> String {
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fs::read_to_string(path).unwrap_or_else(|err| panic!("read `{}`: {}", path.display(), err))
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}
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fn assert_success(context: &str, output: &Output) {
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let stdout = String::from_utf8_lossy(&output.stdout);
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let stderr = String::from_utf8_lossy(&output.stderr);
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assert!(
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output.status.success(),
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"{} failed\nstdout:\n{}\nstderr:\n{}",
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context,
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stdout,
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stderr
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);
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assert!(stderr.is_empty(), "{} wrote stderr:\n{}", context, stderr);
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}
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fn assert_success_stdout(output: Output, expected: &str, context: &str) {
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let stdout = String::from_utf8_lossy(&output.stdout);
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let stderr = String::from_utf8_lossy(&output.stderr);
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assert!(
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output.status.success(),
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"{} failed\nstdout:\n{}\nstderr:\n{}",
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context,
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stdout,
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stderr
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);
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assert_eq!(stdout, expected, "{} stdout drifted", context);
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assert!(stderr.is_empty(), "{} wrote stderr:\n{}", context, stderr);
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}
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