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|
import option;
import str;
import io::reader_util;
import common::config;
export test_props;
export load_props;
export is_test_ignored;
type test_props = {
// Lines that should be expected, in order, on standard out
error_patterns: ~[str],
// Extra flags to pass to the compiler
compile_flags: option<str>,
// If present, the name of a file that this test should match when
// pretty-printed
pp_exact: option<str>,
// Modules from aux directory that should be compiled
aux_builds: ~[str],
// Environment settings to use during execution
exec_env: ~[(str,str)]
};
// Load any test directives embedded in the file
fn load_props(testfile: str) -> test_props {
let mut error_patterns = ~[];
let mut aux_builds = ~[];
let mut exec_env = ~[];
let mut compile_flags = option::none;
let mut pp_exact = option::none;
for iter_header(testfile) |ln| {
alt parse_error_pattern(ln) {
option::some(ep) { vec::push(error_patterns, ep) }
option::none { }
};
if option::is_none(compile_flags) {
compile_flags = parse_compile_flags(ln);
}
if option::is_none(pp_exact) {
pp_exact = parse_pp_exact(ln, testfile);
}
do option::iter(parse_aux_build(ln)) |ab| {
vec::push(aux_builds, ab);
}
do option::iter(parse_exec_env(ln)) |ee| {
vec::push(exec_env, ee);
}
};
ret {
error_patterns: error_patterns,
compile_flags: compile_flags,
pp_exact: pp_exact,
aux_builds: aux_builds,
exec_env: exec_env
};
}
fn is_test_ignored(config: config, testfile: str) -> bool {
let mut found = false;
for iter_header(testfile) |ln| {
if parse_name_directive(ln, "xfail-test") { ret true; }
if parse_name_directive(ln, xfail_target()) { ret true; }
if config.mode == common::mode_pretty &&
parse_name_directive(ln, "xfail-pretty") { ret true; }
};
ret found;
fn xfail_target() -> str {
"xfail-" + os::sysname()
}
}
fn iter_header(testfile: str, it: fn(str) -> bool) -> bool {
let rdr = result::get(io::file_reader(testfile));
while !rdr.eof() {
let ln = rdr.read_line();
// Assume that any directives will be found before the first
// module or function. This doesn't seem to be an optimization
// with a warm page cache. Maybe with a cold one.
if str::starts_with(ln, "fn")
|| str::starts_with(ln, "mod") {
ret false;
} else { if !(it(ln)) { ret false; } }
}
ret true;
}
fn parse_error_pattern(line: str) -> option<str> {
parse_name_value_directive(line, "error-pattern")
}
fn parse_aux_build(line: str) -> option<str> {
parse_name_value_directive(line, "aux-build")
}
fn parse_compile_flags(line: str) -> option<str> {
parse_name_value_directive(line, "compile-flags")
}
fn parse_exec_env(line: str) -> option<(str, str)> {
do parse_name_value_directive(line, "exec-env").map |nv| {
// nv is either FOO or FOO=BAR
let strs = str::splitn_char(nv, '=', 1u);
alt strs.len() {
1u { (strs[0], "") }
2u { (strs[0], strs[1]) }
n { fail #fmt["Expected 1 or 2 strings, not %u", n]; }
}
}
}
fn parse_pp_exact(line: str, testfile: str) -> option<str> {
alt parse_name_value_directive(line, "pp-exact") {
option::some(s) { option::some(s) }
option::none {
if parse_name_directive(line, "pp-exact") {
option::some(path::basename(testfile))
} else {
option::none
}
}
}
}
fn parse_name_directive(line: str, directive: str) -> bool {
str::contains(line, directive)
}
fn parse_name_value_directive(line: str,
directive: str) -> option<str> unsafe {
let keycolon = directive + ":";
alt str::find_str(line, keycolon) {
option::some(colon) {
let value = str::slice(line, colon + str::len(keycolon),
str::len(line));
#debug("%s: %s", directive, value);
option::some(value)
}
option::none { option::none }
}
}
|
