Adds cibenchmark

nimble.nimble

@@ -22,13 +22,18 @@ when defined(nimdistros):
 before install:
   exec "git submodule update --init"
 
-task test, "Run the Nimble tester!":
-  #Find params that are a test name
+proc runTester(extraFlags = "") =
   var extraParams = ""
   for i in 0 .. paramCount():
     if "::" in paramStr(i):
-      extraParams = "test " 
+      extraParams = "test "
       extraParams.addQuoted paramStr(i)
 
-  withDir "tests":  
-    exec "nim c -r tester " & extraParams
+  withDir "tests":
+    exec "nim c " & extraFlags & " -r tester " & extraParams
+
+task test, "Run the Nimble tester!":
+  runTester()
+
+task cibenchmark, "Run tests with timing instrumentation":
+  runTester("-d:timedTests")

tests/testscommon.nim

@@ -219,3 +219,56 @@ block:
   # Verbose name is used for exit code so assert is clearer
   let (output, nimbleCompileExitCode) = execCmdEx("nim c " & nimbleCompilePath)
   doAssert nimbleCompileExitCode == QuitSuccess, output
+
+# Test timing instrumentation — compile with -d:timedTests to enable
+when defined(timedTests):
+  import std/times, std/algorithm, std/exitprocs
+
+  type
+    TestTiming = object
+      suite: string
+      test: string
+      duration: Duration
+
+    TimingFormatter = ref object of OutputFormatter
+      currentSuite: string
+      suiteStart: DateTime
+      testStart: DateTime
+      timings: seq[TestTiming]
+
+  method suiteStarted(f: TimingFormatter, suiteName: string) =
+    f.currentSuite = suiteName
+    f.suiteStart = times.now()
+
+  method testStarted(f: TimingFormatter, testName: string) =
+    f.testStart = times.now()
+
+  method testEnded(f: TimingFormatter, testResult: TestResult) =
+    f.timings.add(TestTiming(
+      suite: f.currentSuite,
+      test: testResult.testName,
+      duration: times.now() - f.testStart))
+
+  method suiteEnded(f: TimingFormatter) =
+    f.timings.add(TestTiming(
+      suite: f.currentSuite,
+      test: "[total]",
+      duration: times.now() - f.suiteStart))
+
+  var timingFmt = TimingFormatter()
+  addOutputFormatter(timingFmt)
+
+  proc printTimingReport() =
+    var sorted = timingFmt.timings.filterIt(it.duration.inMilliseconds > 0)
+    sorted.sort proc(a, b: TestTiming): int = cmp(b.duration, a.duration)
+    echo ""
+    echo "=== Test Timing Report (slowest first) ==="
+    for t in sorted:
+      let ms = t.duration.inMilliseconds
+      if t.test == "[total]":
+        echo &"  [{ms:>8}ms] SUITE: {t.suite}"
+      else:
+        echo &"  [{ms:>8}ms]   {t.suite} > {t.test}"
+    echo "==========================================="
+
+  addExitProc printTimingReport