fix: test failure cases on windows

.github/workflows/ci.yml

@@ -108,9 +108,7 @@ jobs:
     strategy:
       matrix:
         go-version: [1.16, 1.15]
-        # TODO: support all of these.
-        #os: [ubuntu-latest, macos-latest, windows-latest]
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         # GitHub Actions does not support arm* architectures on default
         # runners. It is possible to acomplish this with a self-hosted runner
         # if we want to add this in the future:

exporters/metric/cortex/utils/config_utils_test.go

@@ -32,6 +32,17 @@ func initYAML(yamlBytes []byte, path string) (afero.Fs, error) {
 	// Create an in-memory file system.
 	fs := afero.NewMemMapFs()
 
+	// https://github.com/spf13/viper/blob/v1.8.1/viper.go#L480
+	// absPathify uses filepath.Clean, so here you also need to use filepath.Clean
+	if filepath.IsAbs(path) {
+		path = filepath.Clean(path)
+	} else {
+		p, err := filepath.Abs(path)
+		if err == nil {
+			path = filepath.Clean(p)
+		}
+	}
+
 	// Retrieve the directory path.
 	dirPath := filepath.Dir(path)
 

exporters/metric/datadog/example_test.go

@@ -31,6 +31,7 @@ import (
 	controller "go.opentelemetry.io/otel/sdk/metric/controller/basic"
 	"go.opentelemetry.io/otel/sdk/metric/processor/basic"
 	"go.opentelemetry.io/otel/sdk/metric/selector/simple"
+	semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
 )
 
 type TestUDPServer struct {
@@ -67,7 +68,7 @@ func ExampleExporter() {
 		global.SetMeterProvider(pusher.MeterProvider())
 		meter := global.Meter("marwandist")
 		m := metric.Must(meter).NewInt64Histogram("myrecorder")
-		meter.RecordBatch(context.Background(), []attribute.KeyValue{attribute.Int("l", 1)},
+		meter.RecordBatch(context.Background(), []attribute.KeyValue{attribute.Int("l", 1), semconv.ServiceNameKey.String("ExampleExporter")},
 			m.Measurement(1), m.Measurement(50), m.Measurement(100))
 	}()
 
@@ -98,7 +99,7 @@ func ExampleExporter() {
 	}
 
 	// Output:
-	// myrecorder.max:100|g|#env:dev,l:1,service.name:unknown_service:datadog.test,telemetry.sdk.language:go,telemetry.sdk.name:opentelemetry,telemetry.sdk.version:1.0.0-RC3
+	// myrecorder.max:100|g|#env:dev,l:1,service.name:ExampleExporter,telemetry.sdk.language:go,telemetry.sdk.name:opentelemetry,telemetry.sdk.version:1.0.0-RC3
 	//
 }