Port the individual test script runner to D

.circleci/run.sh

@@ -167,7 +167,8 @@ check_clean_git()
 # sanitycheck for the run_individual_tests script
 check_run_individual()
 {
-	./test/run_individual_tests test/runnable/template2962.d ./test/compilable/test14275.d
+    local build_path=generated/linux/release/$MODEL
+	"${build_path}/dmd"  -i -run ./test/run_individual_tests.d test/runnable/template2962.d ./test/compilable/test14275.d
 }
 
 codecov()

test/README.md

@@ -35,15 +35,15 @@ make -j10 run_runnable_tests
 ### Run only an individual test
 
 ```sh
-./run_individual_tests fail_compilation/diag10089.d
+./run_individual_tests.d fail_compilation/diag10089.d
 ```
 
 Multiple arguments are supported too.
-You can use `./run_individual_tests` to quickly run a custom subset of tests.
+You can use `./run_individual_tests.d` to quickly run a custom subset of tests.
 For example, all diagnostic tests in `fail_compilation`:
 
 ```sh
-./run_individual_tests fail_compilation/diag*.d
+./run_individual_tests.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 fail_compilation/diag*.d
+AUTO_UPDATE=1 ./run_individual_tests.d fail_compilation/diag*.d
 ```
 
 Note:

test/run_individual_tests.d

@@ -0,0 +1,44 @@
+#!/usr/bin/env rdmd
+/**
+Allows running tests individually
+
+Usage:
+  ./run_individual_tests.d <test-file>...
+
+Example:
+  ./run_individual_tests.d runnable/template2962.d fail_compilation/fail282.d
+
+See the README.md for all available test targets
+*/
+
+void main(string[] args)
+{
+    import std.algorithm, std.conv, std.format, std.getopt, std.path, std.process, std.range, std.stdio, std.string;
+    import std.parallelism : totalCPUs;
+
+    const scriptDir = __FILE_FULL_PATH__.dirName;
+    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_individual_tests.d <test-file>...
+
+Examples:
+
+    ./run_individual_tests.d runnable/template2962.d
+    ./run_individual_tests.d runnable/template2962.d fail_compilation/fail282.d
+
+Options:
+`, res.options);
+        "\nSee the README.md for a more in-depth explanation of the test-runner.".writeln;
+        return;
+    }
+
+    auto makeArguments = ["make", "--jobs=".text(jobs)]
+            .chain(args.dropOne.map!(f =>
+                format!"test_results/%s/%s.out"(f.absolutePath.dirName.baseName, f.baseName)))
+            .array;
+    spawnProcess(makeArguments, null, Config.none, scriptDir).wait;
+}