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d_do_test.d
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d_do_test.d
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#!/usr/bin/env rdmd
module d_do_test;
import std.algorithm;
import std.array;
import std.conv;
import std.exception;
import std.file;
import std.format;
import std.process;
import std.random;
import std.regex;
import std.stdio;
import std.string;
import core.sys.posix.sys.wait;
void usage()
{
write("d_do_test <input_dir> <test_name> <test_extension>\n"
~ "\n"
~ " input_dir: one of: compilable, fail_compilation, runnable\n"
~ " test_name: basename of test case to run\n"
~ " test_extension: one of: d, html, or sh\n"
~ "\n"
~ " example: d_do_test runnable pi d\n"
~ "\n"
~ " relevant environment variables:\n"
~ " ARGS: set to execute all combinations of\n"
~ " REQUIRED_ARGS: arguments always passed to the compiler\n"
~ " DMD: compiler to use, ex: ../src/dmd\n"
~ " CC: C++ compiler to use, ex: dmc, g++\n"
~ " OS: win32, win64, linux, freebsd, osx, netbsd\n"
~ " RESULTS_DIR: base directory for test results\n"
~ " windows vs non-windows portability env vars:\n"
~ " DSEP: \\\\ or /\n"
~ " SEP: \\ or /\n"
~ " OBJ: .obj or .o\n"
~ " EXE: .exe or <null>\n");
}
enum TestMode
{
COMPILE,
FAIL_COMPILE,
RUN
}
struct TestArgs
{
TestMode mode;
bool compileSeparately;
string executeArgs;
string[] sources;
string[] cppSources;
string[] objcSources;
string permuteArgs;
string compileOutput;
string gdbScript;
string gdbMatch;
string postScript;
string requiredArgs;
string requiredArgsForLink;
// reason for disabling the test (if empty, the test is not disabled)
string[] disabledPlatforms;
bool disabled;
}
struct EnvData
{
string all_args;
string dmd;
string results_dir;
string sep;
string dsep;
string obj;
string exe;
string os;
string compiler;
string ccompiler;
string model;
string required_args;
string dflags;
bool dobjc;
bool coverage_build;
bool noArchVariant;
}
bool findTestParameter(string file, string token, ref string result)
{
auto tokenStart = std.string.indexOf(file, token);
if (tokenStart == -1) return false;
auto lineEndR = std.string.indexOf(file[tokenStart .. $], "\r");
auto lineEndN = std.string.indexOf(file[tokenStart .. $], "\n");
auto lineEnd = lineEndR == -1 ?
(lineEndN == -1 ? file.length : lineEndN) :
(lineEndN == -1 ? lineEndR : min(lineEndR, lineEndN));
//writeln("found ", token, " in line: ", file.length, ", ", tokenStart, ", ", tokenStart+lineEnd);
//writeln("found ", token, " in line: '", file[tokenStart .. tokenStart+lineEnd], "'");
result = strip(file[tokenStart+token.length .. tokenStart+lineEnd]);
// skips the :, if present
if (result.length > 0 && result[0] == ':')
result = strip(result[1 .. $]);
//writeln("arg: '", result, "'");
string result2;
if (findTestParameter(file[tokenStart+lineEnd..$], token, result2))
result ~= " " ~ result2;
return true;
}
bool findOutputParameter(string file, string token, out string result, string sep)
{
bool found = false;
while (true)
{
auto istart = std.string.indexOf(file, token);
if (istart == -1)
break;
found = true;
// skips the :, if present
if (file[istart] == ':') ++istart;
enum embed_sep = "---";
auto n = std.string.indexOf(file[istart .. $], embed_sep);
enforce(n != -1, "invalid "~token~" format");
istart += n + embed_sep.length;
while (file[istart] == '-') ++istart;
if (file[istart] == '\r') ++istart;
if (file[istart] == '\n') ++istart;
auto iend = std.string.indexOf(file[istart .. $], embed_sep);
enforce(iend != -1, "invalid TEST_OUTPUT format");
iend += istart;
result ~= file[istart .. iend];
while (file[iend] == '-') ++iend;
file = file[iend .. $];
}
if (found)
{
result = std.string.strip(result);
result = result.unifyNewLine().unifyDirSep(sep);
result = result ? result : ""; // keep non-null
}
return found;
}
void replaceResultsDir(ref string arguments, const ref EnvData envData)
{
// Bash would expand this automatically on Posix, but we need to manually
// perform the replacement for Windows compatibility.
arguments = replace(arguments, "${RESULTS_DIR}", envData.results_dir);
}
bool gatherTestParameters(ref TestArgs testArgs, string input_dir, string input_file, const ref EnvData envData)
{
string file = cast(string)std.file.read(input_file);
findTestParameter(file, "REQUIRED_ARGS", testArgs.requiredArgs);
if(envData.required_args.length)
testArgs.requiredArgs ~= " " ~ envData.required_args;
replaceResultsDir(testArgs.requiredArgs, envData);
if (! findTestParameter(file, "PERMUTE_ARGS", testArgs.permuteArgs))
{
if (testArgs.mode == TestMode.RUN)
testArgs.permuteArgs = envData.all_args;
string unittestJunk;
if(!findTestParameter(file, "unittest", unittestJunk))
testArgs.permuteArgs = replace(testArgs.permuteArgs, "-unittest", "");
}
replaceResultsDir(testArgs.permuteArgs, envData);
// remove permute args enforced via DFLAGS env variable
if (envData.dflags.length && testArgs.permuteArgs.length)
{
const dflags = split(envData.dflags);
const newPermuteArgs = split(testArgs.permuteArgs)
.filter!(a => !dflags.canFind(a))
.join(" ");
testArgs.permuteArgs = newPermuteArgs;
}
// win(32|64) doesn't support pic
if (envData.os == "win32" || envData.os == "win64")
{
auto index = std.string.indexOf(testArgs.permuteArgs, "-fPIC");
if (index != -1)
testArgs.permuteArgs = testArgs.permuteArgs[0 .. index] ~ testArgs.permuteArgs[index+5 .. $];
}
// clean up extra spaces
testArgs.permuteArgs = strip(replace(testArgs.permuteArgs, " ", " "));
findTestParameter(file, "EXECUTE_ARGS", testArgs.executeArgs);
replaceResultsDir(testArgs.executeArgs, envData);
string extraSourcesStr;
findTestParameter(file, "EXTRA_SOURCES", extraSourcesStr);
testArgs.sources = [input_file];
// prepend input_dir to each extra source file
foreach(s; split(extraSourcesStr))
testArgs.sources ~= input_dir ~ "/" ~ s;
string extraCppSourcesStr;
findTestParameter(file, "EXTRA_CPP_SOURCES", extraCppSourcesStr);
testArgs.cppSources = [];
// prepend input_dir to each extra source file
foreach(s; split(extraCppSourcesStr))
testArgs.cppSources ~= s;
string extraObjcSourcesStr;
auto objc = findTestParameter(file, "EXTRA_OBJC_SOURCES", extraObjcSourcesStr);
if (objc && !envData.dobjc)
return false;
testArgs.objcSources = [];
// prepend input_dir to each extra source file
foreach(s; split(extraObjcSourcesStr))
testArgs.objcSources ~= s;
// swap / with $SEP
if (envData.sep && envData.sep != "/")
foreach (ref s; testArgs.sources)
s = replace(s, "/", to!string(envData.sep));
//writeln ("sources: ", testArgs.sources);
// COMPILE_SEPARATELY can take optional compiler switches when link .o files
testArgs.compileSeparately = findTestParameter(file, "COMPILE_SEPARATELY", testArgs.requiredArgsForLink);
string disabledPlatformsStr;
findTestParameter(file, "DISABLED", disabledPlatformsStr);
testArgs.disabledPlatforms = split(disabledPlatformsStr);
findOutputParameter(file, "TEST_OUTPUT", testArgs.compileOutput, envData.sep);
findOutputParameter(file, "GDB_SCRIPT", testArgs.gdbScript, envData.sep);
findTestParameter(file, "GDB_MATCH", testArgs.gdbMatch);
if (findTestParameter(file, "POST_SCRIPT", testArgs.postScript))
testArgs.postScript = replace(testArgs.postScript, "/", to!string(envData.sep));
return true;
}
string[] combinations(string argstr)
{
string[] results;
string[] args = split(argstr);
long combinations = 1 << args.length;
for (size_t i = 0; i < combinations; i++)
{
string r;
bool printed = false;
for (size_t j = 0; j < args.length; j++)
{
if (i & 1 << j)
{
if (printed)
r ~= " ";
r ~= args[j];
printed = true;
}
}
results ~= r;
}
return results;
}
string genTempFilename(string result_path)
{
auto a = appender!string();
a.put(result_path);
foreach (ref e; 0 .. 8)
{
formattedWrite(a, "%x", rndGen.front);
rndGen.popFront();
}
return a.data;
}
int system(string command)
{
static import core.stdc.stdlib;
if (!command) return core.stdc.stdlib.system(null);
const commandz = toStringz(command);
auto status = core.stdc.stdlib.system(commandz);
if (status == -1) return status;
version (Windows) status <<= 8;
return status;
}
version(Windows)
{
extern (D) bool WIFEXITED( int status ) { return ( status & 0x7F ) == 0; }
extern (D) int WEXITSTATUS( int status ) { return ( status & 0xFF00 ) >> 8; }
extern (D) int WTERMSIG( int status ) { return status & 0x7F; }
extern (D) bool WIFSIGNALED( int status )
{
return ( cast(byte) ( ( status & 0x7F ) + 1 ) >> 1 ) > 0;
}
}
void removeIfExists(in char[] filename)
{
if (std.file.exists(filename))
std.file.remove(filename);
}
string execute(ref File f, string command, bool expectpass, string result_path)
{
auto filename = genTempFilename(result_path);
scope(exit) removeIfExists(filename);
version (Windows)
{
command = command.replace("${RESULTS_DIR}", result_path[0 .. $-1]);
}
auto rc = system(command ~ " > " ~ filename ~ " 2>&1");
string output = readText(filename);
f.writeln(command);
f.write(output);
if (WIFSIGNALED(rc))
{
auto value = WTERMSIG(rc);
enforce(0 == value, "caught signal: " ~ to!string(value));
}
else if (WIFEXITED(rc))
{
auto value = WEXITSTATUS(rc);
if (expectpass)
enforce(0 == value, "expected rc == 0, exited with rc == " ~ to!string(value));
else
enforce(1 == value, "expected rc == 1, but exited with rc == " ~ to!string(value));
}
return output;
}
string unifyNewLine(string str)
{
return std.regex.replace(str, regex(`\r\n|\r|\n`, "g"), "\n");
}
string unifyDirSep(string str, string sep)
{
return std.regex.replace(str, regex(`(?<=[-\w][-\w]*)/(?=[-\w][-\w/]*\.di?\b)`, "g"), sep);
}
unittest
{
assert(`fail_compilation/test.d(1) Error: dummy error message for 'test'`.unifyDirSep(`\`)
== `fail_compilation\test.d(1) Error: dummy error message for 'test'`);
assert(`fail_compilation/test.d(1) Error: at fail_compilation/test.d(2)`.unifyDirSep(`\`)
== `fail_compilation\test.d(1) Error: at fail_compilation\test.d(2)`);
assert(`fail_compilation/test.d(1) Error: at fail_compilation/imports/test.d(2)`.unifyDirSep(`\`)
== `fail_compilation\test.d(1) Error: at fail_compilation\imports\test.d(2)`);
assert(`fail_compilation/diag.d(2): Error: fail_compilation/imports/fail.d must be imported`.unifyDirSep(`\`)
== `fail_compilation\diag.d(2): Error: fail_compilation\imports\fail.d must be imported`);
}
bool collectExtraSources (in string input_dir, in string output_dir, in string[] extraSources, ref string[] sources, bool msc, in EnvData envData, in string compiler)
{
foreach (cur; extraSources)
{
auto curSrc = input_dir ~ envData.sep ~"extra-files" ~ envData.sep ~ cur;
auto curObj = output_dir ~ envData.sep ~ cur ~ envData.obj;
string command = compiler;
if (envData.compiler == "dmd")
{
if (msc)
{
command ~= ` /c /nologo `~curSrc~` /Fo`~curObj;
}
else if (envData.os == "win32")
{
command ~= " -c "~curSrc~" -o"~curObj;
}
else
{
if (!envData.noArchVariant)
command ~= " -m"~envData.model;
command ~= " -c "~curSrc~" -o "~curObj;
}
}
else
{
if (!envData.noArchVariant)
command ~= " -m"~envData.model;
command ~= " -c "~curSrc~" -o "~curObj;
}
auto rc = system(command);
if(rc)
{
writeln("failed to execute '"~command~"'");
return false;
}
sources ~= curObj;
}
return true;
}
// compare output string to reference string, but ignore places
// marked by $n$ that contain compiler generated unique numbers
bool compareOutput(string output, string refoutput)
{
import std.ascii : digits;
import std.utf : byCodeUnit;
for ( ; ; )
{
auto pos = refoutput.indexOf("$n$");
if (pos < 0)
return refoutput == output;
if (output.length < pos)
return false;
if (refoutput[0..pos] != output[0..pos])
return false;
refoutput = refoutput[pos + 3 ..$];
output = output[pos..$];
auto p = output.byCodeUnit.countUntil!(e => !digits.canFind(e));
output = output[p..$];
}
}
version(LDC) version(CRuntime_Microsoft) version = LDC_MSVC;
int main(string[] args)
{
if (args.length != 4)
{
if (args.length == 2 && args[1] == "-unittest")
return 0;
usage();
return 1;
}
string input_dir = args[1];
string test_name = args[2];
string test_extension = args[3];
EnvData envData;
envData.all_args = environment.get("ARGS");
envData.results_dir = environment.get("RESULTS_DIR");
envData.sep = environment.get("SEP");
envData.dsep = environment.get("DSEP");
envData.obj = environment.get("OBJ");
envData.exe = environment.get("EXE");
envData.os = environment.get("OS");
envData.dmd = replace(environment.get("DMD"), "/", envData.sep);
envData.compiler = "dmd"; //should be replaced for other compilers
envData.ccompiler = environment.get("CC");
envData.model = environment.get("MODEL");
envData.required_args = environment.get("REQUIRED_ARGS");
envData.dflags = environment.get("DFLAGS");
envData.dobjc = environment.get("D_OBJC") == "1";
envData.coverage_build = environment.get("DMD_TEST_COVERAGE") == "1";
envData.noArchVariant = environment.get("NO_ARCH_VARIANT") == "1";
string result_path = envData.results_dir ~ envData.sep;
string input_file = input_dir ~ envData.sep ~ test_name ~ "." ~ test_extension;
string output_dir = result_path ~ input_dir;
string output_file = result_path ~ input_dir ~ envData.sep ~ test_name ~ "." ~ test_extension ~ ".out";
string test_app_dmd_base = output_dir ~ envData.sep ~ test_name ~ "_";
TestArgs testArgs;
switch (input_dir)
{
case "compilable": testArgs.mode = TestMode.COMPILE; break;
case "fail_compilation": testArgs.mode = TestMode.FAIL_COMPILE; break;
case "runnable": testArgs.mode = TestMode.RUN; break;
default:
writeln("input_dir must be one of 'compilable', 'fail_compilation', or 'runnable'");
return 1;
}
// running & linking costs time - for coverage builds we can save this
if (envData.coverage_build && testArgs.mode == TestMode.RUN)
testArgs.mode = TestMode.COMPILE;
if (envData.ccompiler.empty)
{
switch (envData.os)
{
version(LDC_MSVC)
{
case "win32": envData.ccompiler = "cl.exe"; break;
case "win64": envData.ccompiler = "cl.exe"; break;
}
else
{
case "win32": envData.ccompiler = "dmc"; break;
case "win64": envData.ccompiler = `\"Program Files (x86)"\"Microsoft Visual Studio 10.0"\VC\bin\amd64\cl.exe`; break;
}
default: envData.ccompiler = "g++"; break;
}
}
bool msc = envData.ccompiler.toLower.endsWith("cl.exe");
if (!gatherTestParameters(testArgs, input_dir, input_file, envData))
return 0;
//prepare cpp extra sources
if (testArgs.cppSources.length)
{
switch (envData.compiler)
{
case "dmd":
if(envData.os != "win32" && envData.os != "win64")
testArgs.requiredArgs ~= " -L-lstdc++";
break;
case "ldc":
testArgs.requiredArgs ~= " -L-lstdc++";
break;
case "gdc":
testArgs.requiredArgs ~= "-Xlinker -lstdc++";
break;
default:
writeln("unknown compiler: "~envData.compiler);
return 1;
}
if (!collectExtraSources(input_dir, output_dir, testArgs.cppSources, testArgs.sources, msc, envData, envData.ccompiler))
return 1;
}
//prepare objc extra sources
if (!collectExtraSources(input_dir, output_dir, testArgs.objcSources, testArgs.sources, msc, envData, "clang"))
return 1;
writef(" ... %-30s %s%s(%s) %s",
input_file,
testArgs.requiredArgs,
(!testArgs.requiredArgs.empty ? " " : ""),
testArgs.permuteArgs,
envData.dflags);
if (testArgs.disabledPlatforms.canFind(envData.os, envData.os ~ envData.model))
{
testArgs.disabled = true;
writefln("!!! [DISABLED on %s]", envData.os);
}
else
write("\n");
removeIfExists(output_file);
auto f = File(output_file, "a");
foreach (i, c; combinations(testArgs.permuteArgs))
{
string test_app_dmd = test_app_dmd_base ~ to!string(i) ~ envData.exe;
try
{
string[] toCleanup;
auto thisRunName = genTempFilename(result_path);
auto fThisRun = File(thisRunName, "w");
scope(exit)
{
fThisRun.close();
f.write(readText(thisRunName));
f.writeln();
removeIfExists(thisRunName);
}
// can override -verrors by using REQUIRED_ARGS
auto reqArgs =
(testArgs.mode == TestMode.FAIL_COMPILE ? "-verrors=0 " : null) ~
testArgs.requiredArgs;
// https://issues.dlang.org/show_bug.cgi?id=10664: exceptions don't work reliably with COMDAT folding
// it also slows down some tests drastically, e.g. runnable/test17338.d
if (msc)
reqArgs ~= " -L/OPT:NOICF";
string compile_output;
if (!testArgs.compileSeparately)
{
string objfile = output_dir ~ envData.sep ~ test_name ~ "_" ~ to!string(i) ~ envData.obj;
toCleanup ~= objfile;
string command = format("%s -conf= -m%s -I%s %s %s -od%s -of%s %s%s", envData.dmd, envData.model, input_dir,
reqArgs, c, output_dir,
(testArgs.mode == TestMode.RUN ? test_app_dmd : objfile),
(testArgs.mode == TestMode.RUN ? "" : "-c "),
join(testArgs.sources, " "));
version (LDC) {} else version(Windows) command ~= " -map nul.map";
compile_output = execute(fThisRun, command, testArgs.mode != TestMode.FAIL_COMPILE, result_path);
}
else
{
foreach (filename; testArgs.sources)
{
string newo= result_path ~ replace(replace(filename, ".d", envData.obj), envData.sep~"imports"~envData.sep, envData.sep);
toCleanup ~= newo;
string command = format("%s -conf= -m%s -I%s %s %s -od%s -c %s", envData.dmd, envData.model, input_dir,
reqArgs, c, output_dir, filename);
compile_output ~= execute(fThisRun, command, testArgs.mode != TestMode.FAIL_COMPILE, result_path);
}
if (testArgs.mode == TestMode.RUN)
{
// link .o's into an executable
string command = format("%s -conf= -m%s %s %s -od%s -of%s %s", envData.dmd, envData.model, envData.required_args,
testArgs.requiredArgsForLink, output_dir, test_app_dmd, join(toCleanup, " "));
version (LDC) {} else version(Windows) command ~= " -map nul.map";
execute(fThisRun, command, true, result_path);
}
}
compile_output = std.regex.replace(compile_output, regex(`^DMD v2\.[0-9]+.* DEBUG$`, "m"), "");
compile_output = std.string.strip(compile_output);
compile_output = compile_output.unifyNewLine();
auto m = std.regex.match(compile_output, `Internal error: .*$`);
enforce(!m, m.hit);
if (testArgs.compileOutput !is null)
{
enforce(compareOutput(compile_output, testArgs.compileOutput),
"\nexpected:\n----\n"~testArgs.compileOutput~"\n----\nactual:\n----\n"~compile_output~"\n----\n");
}
if (testArgs.mode == TestMode.RUN)
{
toCleanup ~= test_app_dmd;
version(Windows)
if (msc)
{
toCleanup ~= test_app_dmd_base ~ to!string(i) ~ ".ilk";
toCleanup ~= test_app_dmd_base ~ to!string(i) ~ ".pdb";
}
if (testArgs.gdbScript is null)
{
string command = test_app_dmd;
if (testArgs.executeArgs) command ~= " " ~ testArgs.executeArgs;
execute(fThisRun, command, true, result_path);
}
else version (linux)
{
auto script = test_app_dmd_base ~ to!string(i) ~ ".gdb";
toCleanup ~= script;
with (File(script, "w"))
write(testArgs.gdbScript);
string command = "gdb "~test_app_dmd~" --batch -x "~script;
auto gdb_output = execute(fThisRun, command, true, result_path);
if (testArgs.gdbMatch !is null)
{
enforce(match(gdb_output, regex(testArgs.gdbMatch)),
"\nGDB regex: '"~testArgs.gdbMatch~"' didn't match output:\n----\n"~gdb_output~"\n----\n");
}
}
}
fThisRun.close();
if (testArgs.postScript && !envData.coverage_build)
{
f.write("Executing post-test script: ");
string prefix = "";
version (Windows) prefix = "bash ";
execute(f, prefix ~ testArgs.postScript ~ " " ~ thisRunName, true, result_path);
}
foreach (file; toCleanup) collectException(std.file.remove(file));
}
catch(Exception e)
{
// it failed but it was disabled, exit as if it was successful
if (testArgs.disabled)
return 0;
f.writeln();
f.writeln("==============================");
f.writeln("Test failed: ", e.msg);
f.close();
writeln("Test failed. The logged output:");
writeln(cast(string)std.file.read(output_file));
std.file.remove(output_file);
return 1;
}
}
// it was disabled but it passed! print an informational message
if (testArgs.disabled)
writefln(" !!! %-30s DISABLED but PASSES!", input_file);
return 0;
}