Use D to run the testsuite

src/osmodel.mak

@@ -2,7 +2,7 @@
 #
 # Detects and sets the macros:
 #
-#   OS         = one of {osx,linux,freebsd,openbsd,netbsd,solaris}
+#   OS         = one of {osx,linux,freebsd,openbsd,netbsd,dragonflybsd,solaris}
 #   MODEL      = one of { 32, 64 }
 #   MODEL_FLAG = one of { -m32, -m64 }
 #

test/README.md

@@ -35,15 +35,15 @@ make -j10 run_runnable_tests
 ### Run only an individual test
 
 ```sh
-./run_individual_tests.d fail_compilation/diag10089.d
+./run.d fail_compilation/diag10089.d
 ```
 
 Multiple arguments are supported too.
-You can use `./run_individual_tests.d` to quickly run a custom subset of tests.
+You can use `./run.d` to quickly run a custom subset of tests.
 For example, all diagnostic tests in `fail_compilation`:
 
 ```sh
-./run_individual_tests.d fail_compilation/diag*.d
+./run.d fail_compilation/diag*.d
 ```
 
 ### Automatically update the `TEST_OUTPUT` segments
@@ -58,7 +58,7 @@ AUTO_UPDATE=1 make run_fail_compilation_tests -j10
 Updating the `TEST_OUTPUT` can also be done for a custom subset of tests:
 
 ```sh
-AUTO_UPDATE=1 ./run_individual_tests.d fail_compilation/diag*.d
+AUTO_UPDATE=1 ./run.d fail_compilation/diag*.d
 ```
 
 Note:

test/run.d

@@ -0,0 +1,310 @@
+#!/usr/bin/env rdmd
+/**
+Allows running tests individually
+
+Usage:
+  ./run.d <test-file>...
+
+Example:
+  ./run.d runnable/template2962.d fail_compilation/fail282.d
+
+See the README.md for all available test targets
+*/
+
+import std.algorithm, std.conv, std.datetime, std.exception, std.file, std.format,
+       std.getopt, std.parallelism, std.path, std.process, std.range, std.stdio, std.string;
+import core.stdc.stdlib : exit;
+
+const scriptDir = __FILE_FULL_PATH__.dirName;
+string resultsDir = scriptDir.buildPath("test_results");
+
+void main(string[] args)
+{
+    int jobs = totalCPUs;
+    auto res = getopt(args,
+        "j|jobs", "Specifies the number of jobs (commands) to run simultaneously (default: %d)".format(totalCPUs), &jobs,
+    );
+    if (res.helpWanted || args.length < 2)
+    {
+        defaultGetoptPrinter(`./run.d <test-file>...
+
+Examples:
+
+    ./run.d runnable/template2962.d                              # runs a specific tests
+    ./run.d runnable/template2962.d fail_compilation/fail282.d   # runs multiple specific tests
+    ./run.d fail_compilation                                     # runs all tests in fail_compilation
+    ./run.d all                                                  # runs all tests
+    ./run.d clean                                                # remove all test results
+
+Options:
+`, res.options);
+        "\nSee the README.md for a more in-depth explanation of the test-runner.".writeln;
+        return;
+    }
+
+    // parse arguments
+    args.popFront;
+    args2Environment(args);
+
+    // allow overwrites from the environment
+    resultsDir = environment.get("RESULTS_DIR", resultsDir);
+
+    // bootstrap all needed environment variables
+    auto env = getEnvironment;
+
+    // default target
+    if (!args.length)
+        args = ["all"];
+
+    // preprocess
+    auto targets = args.predefinedTargets;
+    // normalize
+    targets = targets.map!(f => format!"%s/%s"(f.absolutePath.dirName.baseName, f.baseName)).array;
+    // filter
+    targets = targets.filterTargets;
+
+    if (targets.length > 0)
+    {
+        auto taskPool = new TaskPool(jobs);
+        scope(exit) taskPool.finish();
+        ensureToolsExists;
+        foreach (target; taskPool.parallel(targets, 1))
+        {
+            auto makeArguments = [scriptDir.buildPath("test_results", "d_do_test"), target];
+            spawnProcess(makeArguments, env, Config.none, scriptDir).wait;
+        }
+    }
+}
+
+/**
+Builds the binary of the tools required by the testsuite
+Does nothing if the tools already exist and are newer than their source
+*/
+void ensureToolsExists()
+{
+    static toolsDir = scriptDir.buildPath("tools");
+    resultsDir.mkdirRecurse;
+    auto tools = [
+        "d_do_test",
+        "sanitize_json",
+    ];
+    // TODO: run in parallel
+    foreach (tool; tools)
+    {
+        auto targetBin = resultsDir.buildPath(tool);
+        auto sourceFile = toolsDir.buildPath(tool ~ ".d");
+        if (targetBin.timeLastModified.ifThrown(SysTime.init) > sourceFile.timeLastModified)
+            writefln("%s is already up-to-date", tool);
+        else
+        {
+            auto command = ["dmd", "-of"~targetBin, sourceFile];
+            writefln("Executing: %-(%s %)", command);
+            spawnProcess(command).wait;
+        }
+    }
+
+    // ensure output directories exist
+    foreach (dir; ["compilable", "fail_compilation", "runnable"])
+        resultsDir.buildPath(dir).mkdirRecurse;
+}
+
+/**
+Goes through the target list and replaces short-hand targets with their expanded version.
+Special targets:
+- clean -> removes resultsDir + immediately stops the runner
+*/
+auto predefinedTargets(string[] targets)
+{
+    static findFiles(string dir)
+    {
+        return scriptDir.buildPath(dir).dirEntries("*{.d,.sh}", SpanMode.shallow).map!(e => e.name);
+    }
+
+    Appender!(string[]) newTargets;
+    foreach (t; targets)
+    {
+        switch (t)
+        {
+            case "clean":
+                resultsDir.rmdirRecurse;
+                exit(0);
+                break;
+
+            case "run_runnable_tests", "runnable":
+                newTargets.put(findFiles("runnable"));
+                break;
+
+            case "run_fail_compilation_tests", "fail_compilation", "fail":
+                newTargets.put(findFiles("fail_compilation"));
+                break;
+
+            case "run_compilable_tests", "compilable", "compile":
+                newTargets.put(findFiles("compilable"));
+                break;
+
+            case "all":
+                newTargets.put(findFiles("runnable"));
+                newTargets.put(findFiles("fail_compilation"));
+                newTargets.put(findFiles("compilable"));
+                break;
+
+            default:
+                newTargets ~= t;
+        }
+    }
+    return newTargets.data;
+}
+
+// Removes targets that do not need updating (i.e. their .out file exists and is newer than the source file)
+auto filterTargets(string[] targets)
+{
+    bool error;
+    foreach (target; targets)
+    {
+        if (!scriptDir.buildPath(target).exists)
+        {
+            writefln("Warning: %s can't be found", target);
+            error = true;
+        }
+    }
+    if (error)
+        exit(1);
+
+    string[] targetsThatNeedUpdating;
+    foreach (t; targets)
+    {
+        if (resultsDir.buildPath(t ~ ".out").timeLastModified.ifThrown(SysTime.init) >
+                scriptDir.buildPath(t).timeLastModified)
+            writefln("%s is already up-to-date", t);
+        else
+            targetsThatNeedUpdating ~= t;
+    }
+    return targetsThatNeedUpdating;
+}
+
+// Add additional make-like assignments to the environment
+// e.g. ./run.d ARGS=foo -> sets ARGS to 'foo'
+void args2Environment(ref string[] args)
+{
+    bool tryToAdd(string arg)
+    {
+        if (!arg.canFind("="))
+            return false;
+
+        auto sp = arg.splitter("=");
+        environment[sp.front] = sp.dropOne.front;
+        return true;
+    }
+    args = args.filter!(a => !tryToAdd(a)).array;
+}
+
+/**
+Checks whether the environment already contains a value for key and if so, sets
+the found value to the new environment object.
+Otherwise uses the `default_` value as fallback
+
+Params:
+    env = environment to write the check to
+    key = key to check for existence and write into the new env
+    default_ = fallback value if the key doesn't exist in the global environment
+*/
+void getDefault(string[string] env, string key, string default_)
+{
+    if (key in environment)
+        env[key] = environment[key];
+    else
+        env[key] = default_;
+}
+
+// Sets the environment variables required by d_do_test
+string[string] getEnvironment()
+{
+    string[string] env;
+    env["RESULTS_DIR"] = resultsDir;
+    auto os = env["OS"] = detectOS;
+    auto build = env["BUILD"] = "release";
+
+    version(Windows)
+    {
+        env.getDefault("ARGS", "-inline -release -g -O");
+        auto exe = env["EXE"] = ".exe";
+        env["OBJ"] = ".obj";
+        env["DSEP"] = `\\`;
+        env["SEP"] = `\`;
+        auto druntimePath = environment.get("DRUNTIME_PATH", `..\..\druntime`);
+        auto phobosPath = environment.get("PHOBOS_PATH", `..\..\phobos`);
+        env["DFLAGS"] = `-I%s\import -I%s`.format(druntimePath, phobosPath);
+        env["LIB"] = phobosPath;
+
+        // auto-tester might run the testsuite with a different $(MODEL) than DMD
+        // has been compiled with. Hence we manually check which binary exists.
+        // For windows the $(OS) during build is: `windows`
+        int dmdModel = "../generated/windows/%s/64/dmd%s".format(build, exe).exists ? 64 : 32;
+        env.getDefault("MODEL", dmdModel.text);
+        env["DMD"] = "../generated/windows/%s/%d/dmd%s".format(build, dmdModel, exe);
+    }
+    else
+    {
+        env.getDefault("ARGS", "-inline -release -g -O -fPIC");
+        env["EXE"] = "";
+        env["OBJ"] = ".o";
+        env["DSEP"] = "/";
+        env["SEP"] = "/";
+        auto druntimePath = environment.get("DRUNTIME_PATH", `../../druntime`);
+        auto phobosPath = environment.get("PHOBOS_PATH", `../../phobos`);
+
+        // auto-tester might run the testsuite with a different $(MODEL) than DMD
+        // has been compiled with. Hence we manually check which binary exists.
+        int dmdModel = "../generated/%s/%s/64/dmd".format(os, build).exists ? 64 : 32;
+        env.getDefault("MODEL", dmdModel.text);
+        auto generatedPath = "generated/%s/%s/%s/dmd".format(os, build, dmdModel);
+        env["DMD"] = "../" ~ generatedPath;
+
+        // default to PIC on x86_64, use PIC=1/0 to en-/disable PIC.
+        // Note that shared libraries and C files are always compiled with PIC.
+        bool pic;
+        version(X86_64)
+            pic = true;
+        else version(X86)
+            pic = false;
+
+        env["PIC_FLAGS"]  = pic ? "-fPIC" : "";
+        env["DFLAGS"] = "-I%s/import -I%s".format(druntimePath, phobosPath)
+            ~ " -L-L%s/%s".format(phobosPath, generatedPath);
+        bool isShared = os.among("linux", "freebsd") >= 0;
+        if (isShared)
+            env["DFLAGS"] = env["DFLAGS"] ~ " -defaultlib=libphobos2.so -L-rpath=%s/%s".format(phobosPath, generatedPath);
+
+        env["REQUIRED_ARGS"] = environment.get("REQUIRED_ARGS") ~  env["PIC_FLAGS"];
+    }
+    return env;
+}
+
+/*
+Detects the host OS.
+
+Returns: a string from `{windows, osx,linux,freebsd,openbsd,netbsd,dragonflybsd,solaris}`
+*/
+string detectOS()
+{
+    version(Windows)
+        return "windows";
+    version(OSX)
+        return "osx";
+    else version(linux)
+        return "linux";
+    else version(FreeBSD)
+        return "freebsd";
+    else version(OpenBSD)
+        return "openbsd";
+    else version(NetBSD)
+        return "netbsd";
+    else version(DragonFlyBSD)
+        return "dragonflybsd";
+    else version(Solaris)
+        return "solaris";
+    else version(SunOS)
+        return "solaris";
+    else
+        static assert(0, "Unrecognized or unsupported OS.");
+}