390 lines
12 KiB
Rust
390 lines
12 KiB
Rust
// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::env;
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use std::fs::File;
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use std::io::BufReader;
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use std::io::prelude::*;
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use std::path::{Path, PathBuf};
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use common::Config;
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use common;
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use util;
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pub struct TestProps {
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// Lines that should be expected, in order, on standard out
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pub error_patterns: Vec<String> ,
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// Extra flags to pass to the compiler
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pub compile_flags: Option<String>,
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// Extra flags to pass when the compiled code is run (such as --bench)
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pub run_flags: Option<String>,
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// If present, the name of a file that this test should match when
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// pretty-printed
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pub pp_exact: Option<PathBuf>,
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// Modules from aux directory that should be compiled
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pub aux_builds: Vec<String> ,
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// Environment settings to use during execution
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pub exec_env: Vec<(String,String)> ,
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// Lines to check if they appear in the expected debugger output
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pub check_lines: Vec<String> ,
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// Flag to force a crate to be built with the host architecture
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pub force_host: bool,
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// Check stdout for error-pattern output as well as stderr
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pub check_stdout: bool,
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// Don't force a --crate-type=dylib flag on the command line
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pub no_prefer_dynamic: bool,
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// Run --pretty expanded when running pretty printing tests
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pub pretty_expanded: bool,
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// Which pretty mode are we testing with, default to 'normal'
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pub pretty_mode: String,
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// Only compare pretty output and don't try compiling
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pub pretty_compare_only: bool,
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// Patterns which must not appear in the output of a cfail test.
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pub forbid_output: Vec<String>,
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}
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// Load any test directives embedded in the file
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pub fn load_props(testfile: &Path) -> TestProps {
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let mut error_patterns = Vec::new();
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let mut aux_builds = Vec::new();
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let mut exec_env = Vec::new();
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let mut compile_flags = None;
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let mut run_flags = None;
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let mut pp_exact = None;
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let mut check_lines = Vec::new();
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let mut force_host = false;
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let mut check_stdout = false;
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let mut no_prefer_dynamic = false;
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let mut pretty_expanded = false;
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let mut pretty_mode = None;
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let mut pretty_compare_only = false;
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let mut forbid_output = Vec::new();
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iter_header(testfile, &mut |ln| {
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match parse_error_pattern(ln) {
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Some(ep) => error_patterns.push(ep),
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None => ()
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};
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if compile_flags.is_none() {
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compile_flags = parse_compile_flags(ln);
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}
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if run_flags.is_none() {
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run_flags = parse_run_flags(ln);
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}
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if pp_exact.is_none() {
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pp_exact = parse_pp_exact(ln, testfile);
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}
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if !force_host {
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force_host = parse_force_host(ln);
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}
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if !check_stdout {
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check_stdout = parse_check_stdout(ln);
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}
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if !no_prefer_dynamic {
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no_prefer_dynamic = parse_no_prefer_dynamic(ln);
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}
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if !pretty_expanded {
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pretty_expanded = parse_pretty_expanded(ln);
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}
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if pretty_mode.is_none() {
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pretty_mode = parse_pretty_mode(ln);
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}
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if !pretty_compare_only {
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pretty_compare_only = parse_pretty_compare_only(ln);
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}
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match parse_aux_build(ln) {
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Some(ab) => { aux_builds.push(ab); }
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None => {}
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}
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match parse_exec_env(ln) {
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Some(ee) => { exec_env.push(ee); }
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None => {}
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}
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match parse_check_line(ln) {
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Some(cl) => check_lines.push(cl),
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None => ()
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};
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match parse_forbid_output(ln) {
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Some(of) => forbid_output.push(of),
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None => (),
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}
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true
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});
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for key in vec!["RUST_TEST_NOCAPTURE", "RUST_TEST_THREADS"] {
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match env::var(key) {
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Ok(val) =>
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if exec_env.iter().find(|&&(ref x, _)| *x == key.to_string()).is_none() {
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exec_env.push((key.to_string(), val))
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},
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Err(..) => {}
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}
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}
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TestProps {
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error_patterns: error_patterns,
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compile_flags: compile_flags,
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run_flags: run_flags,
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pp_exact: pp_exact,
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aux_builds: aux_builds,
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exec_env: exec_env,
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check_lines: check_lines,
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force_host: force_host,
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check_stdout: check_stdout,
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no_prefer_dynamic: no_prefer_dynamic,
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pretty_expanded: pretty_expanded,
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pretty_mode: pretty_mode.unwrap_or("normal".to_string()),
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pretty_compare_only: pretty_compare_only,
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forbid_output: forbid_output,
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}
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}
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pub fn is_test_ignored(config: &Config, testfile: &Path) -> bool {
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fn ignore_target(config: &Config) -> String {
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format!("ignore-{}", util::get_os(&config.target))
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}
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fn ignore_architecture(config: &Config) -> String {
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format!("ignore-{}", util::get_arch(&config.target))
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}
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fn ignore_stage(config: &Config) -> String {
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format!("ignore-{}",
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config.stage_id.split('-').next().unwrap())
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}
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fn ignore_env(config: &Config) -> String {
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format!("ignore-{}", util::get_env(&config.target).unwrap_or("<unknown>"))
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}
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fn ignore_gdb(config: &Config, line: &str) -> bool {
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if config.mode != common::DebugInfoGdb {
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return false;
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}
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if parse_name_directive(line, "ignore-gdb") {
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return true;
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}
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match config.gdb_version {
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Some(ref actual_version) => {
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if line.contains("min-gdb-version") {
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let min_version = line.trim()
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.split(' ')
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.last()
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.expect("Malformed GDB version directive");
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// Ignore if actual version is smaller the minimum required
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// version
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gdb_version_to_int(actual_version) <
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gdb_version_to_int(min_version)
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} else {
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false
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}
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}
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None => false
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}
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}
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fn ignore_lldb(config: &Config, line: &str) -> bool {
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if config.mode != common::DebugInfoLldb {
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return false;
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}
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if parse_name_directive(line, "ignore-lldb") {
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return true;
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}
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match config.lldb_version {
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Some(ref actual_version) => {
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if line.contains("min-lldb-version") {
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let min_version = line.trim()
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.split(' ')
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.last()
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.expect("Malformed lldb version directive");
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// Ignore if actual version is smaller the minimum required
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// version
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lldb_version_to_int(actual_version) <
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lldb_version_to_int(min_version)
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} else {
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false
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}
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}
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None => false
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}
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}
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let val = iter_header(testfile, &mut |ln| {
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!parse_name_directive(ln, "ignore-test") &&
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!parse_name_directive(ln, &ignore_target(config)) &&
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!parse_name_directive(ln, &ignore_architecture(config)) &&
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!parse_name_directive(ln, &ignore_stage(config)) &&
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!parse_name_directive(ln, &ignore_env(config)) &&
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!(config.mode == common::Pretty && parse_name_directive(ln, "ignore-pretty")) &&
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!(config.target != config.host && parse_name_directive(ln, "ignore-cross-compile")) &&
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!ignore_gdb(config, ln) &&
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!ignore_lldb(config, ln)
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});
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!val
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}
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fn iter_header(testfile: &Path, it: &mut FnMut(&str) -> bool) -> bool {
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let rdr = BufReader::new(File::open(testfile).unwrap());
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for ln in rdr.lines() {
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// Assume that any directives will be found before the first
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// module or function. This doesn't seem to be an optimization
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// with a warm page cache. Maybe with a cold one.
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let ln = ln.unwrap();
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if ln.starts_with("fn") ||
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ln.starts_with("mod") {
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return true;
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} else {
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if !(it(ln.trim())) {
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return false;
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}
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}
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}
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return true;
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}
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fn parse_error_pattern(line: &str) -> Option<String> {
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parse_name_value_directive(line, "error-pattern")
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}
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fn parse_forbid_output(line: &str) -> Option<String> {
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parse_name_value_directive(line, "forbid-output")
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}
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fn parse_aux_build(line: &str) -> Option<String> {
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parse_name_value_directive(line, "aux-build")
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}
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fn parse_compile_flags(line: &str) -> Option<String> {
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parse_name_value_directive(line, "compile-flags")
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}
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fn parse_run_flags(line: &str) -> Option<String> {
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parse_name_value_directive(line, "run-flags")
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}
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fn parse_check_line(line: &str) -> Option<String> {
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parse_name_value_directive(line, "check")
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}
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fn parse_force_host(line: &str) -> bool {
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parse_name_directive(line, "force-host")
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}
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fn parse_check_stdout(line: &str) -> bool {
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parse_name_directive(line, "check-stdout")
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}
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fn parse_no_prefer_dynamic(line: &str) -> bool {
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parse_name_directive(line, "no-prefer-dynamic")
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}
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fn parse_pretty_expanded(line: &str) -> bool {
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parse_name_directive(line, "pretty-expanded")
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}
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fn parse_pretty_mode(line: &str) -> Option<String> {
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parse_name_value_directive(line, "pretty-mode")
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}
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fn parse_pretty_compare_only(line: &str) -> bool {
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parse_name_directive(line, "pretty-compare-only")
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}
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fn parse_exec_env(line: &str) -> Option<(String, String)> {
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parse_name_value_directive(line, "exec-env").map(|nv| {
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// nv is either FOO or FOO=BAR
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let mut strs: Vec<String> = nv
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.splitn(2, '=')
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.map(|s| s.to_string())
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.collect();
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match strs.len() {
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1 => (strs.pop().unwrap(), "".to_string()),
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2 => {
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let end = strs.pop().unwrap();
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(strs.pop().unwrap(), end)
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}
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n => panic!("Expected 1 or 2 strings, not {}", n)
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}
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})
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}
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fn parse_pp_exact(line: &str, testfile: &Path) -> Option<PathBuf> {
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match parse_name_value_directive(line, "pp-exact") {
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Some(s) => Some(PathBuf::from(&s)),
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None => {
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if parse_name_directive(line, "pp-exact") {
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testfile.file_name().map(|s| PathBuf::from(s))
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} else {
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None
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}
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}
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}
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}
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fn parse_name_directive(line: &str, directive: &str) -> bool {
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// This 'no-' rule is a quick hack to allow pretty-expanded and no-pretty-expanded to coexist
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line.contains(directive) && !line.contains(&("no-".to_string() + directive))
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}
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pub fn parse_name_value_directive(line: &str, directive: &str)
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-> Option<String> {
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let keycolon = format!("{}:", directive);
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match line.find(&keycolon) {
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Some(colon) => {
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let value = line[(colon + keycolon.len()) .. line.len()].to_string();
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debug!("{}: {}", directive, value);
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Some(value)
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}
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None => None
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}
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}
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pub fn gdb_version_to_int(version_string: &str) -> isize {
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let error_string = format!(
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"Encountered GDB version string with unexpected format: {}",
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version_string);
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let error_string = error_string;
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let components: Vec<&str> = version_string.trim().split('.').collect();
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if components.len() != 2 {
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panic!("{}", error_string);
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}
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let major: isize = components[0].parse().ok().expect(&error_string);
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let minor: isize = components[1].parse().ok().expect(&error_string);
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return major * 1000 + minor;
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}
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pub fn lldb_version_to_int(version_string: &str) -> isize {
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let error_string = format!(
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"Encountered LLDB version string with unexpected format: {}",
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version_string);
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let error_string = error_string;
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let major: isize = version_string.parse().ok().expect(&error_string);
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return major;
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}
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