[chore] Move resource test to service/internal/resource (open-telemetry#9730)

**Description:**  This test was out of place!

Co-authored-by: Alex Boten <223565+codeboten@users.noreply.github.com>

Author: mx-psi

service/internal/resource/config_test.go

@@ -8,8 +8,11 @@ import (
 
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
+	sdkresource "go.opentelemetry.io/otel/sdk/resource"
 
 	"go.opentelemetry.io/collector/component"
+	"go.opentelemetry.io/collector/pdata/pcommon"
+	semconv "go.opentelemetry.io/collector/semconv/v1.18.0"
 )
 
 const (
@@ -101,3 +104,67 @@ func TestNew(t *testing.T) {
 	}
 
 }
+
+func pdataFromSdk(res *sdkresource.Resource) pcommon.Resource {
+	// pcommon.NewResource is the best way to generate a new resource currently and is safe to use outside of tests.
+	// Because the resource is signal agnostic, and we need a net new resource, not an existing one, this is the only
+	// method of creating it without exposing internal packages.
+	pcommonRes := pcommon.NewResource()
+	for _, keyValue := range res.Attributes() {
+		pcommonRes.Attributes().PutStr(string(keyValue.Key), keyValue.Value.AsString())
+	}
+	return pcommonRes
+}
+
+func TestBuildResource(t *testing.T) {
+	buildInfo := component.NewDefaultBuildInfo()
+
+	// Check default config
+	var resMap map[string]*string
+	otelRes := New(buildInfo, resMap)
+	res := pdataFromSdk(otelRes)
+
+	assert.Equal(t, res.Attributes().Len(), 3)
+	value, ok := res.Attributes().Get(semconv.AttributeServiceName)
+	assert.True(t, ok)
+	assert.Equal(t, buildInfo.Command, value.AsString())
+	value, ok = res.Attributes().Get(semconv.AttributeServiceVersion)
+	assert.True(t, ok)
+	assert.Equal(t, buildInfo.Version, value.AsString())
+
+	_, ok = res.Attributes().Get(semconv.AttributeServiceInstanceID)
+	assert.True(t, ok)
+
+	// Check override by nil
+	resMap = map[string]*string{
+		semconv.AttributeServiceName:       nil,
+		semconv.AttributeServiceVersion:    nil,
+		semconv.AttributeServiceInstanceID: nil,
+	}
+	otelRes = New(buildInfo, resMap)
+	res = pdataFromSdk(otelRes)
+
+	// Attributes should not exist since we nil-ified all.
+	assert.Equal(t, res.Attributes().Len(), 0)
+
+	// Check override values
+	strPtr := func(v string) *string { return &v }
+	resMap = map[string]*string{
+		semconv.AttributeServiceName:       strPtr("a"),
+		semconv.AttributeServiceVersion:    strPtr("b"),
+		semconv.AttributeServiceInstanceID: strPtr("c"),
+	}
+	otelRes = New(buildInfo, resMap)
+	res = pdataFromSdk(otelRes)
+
+	assert.Equal(t, res.Attributes().Len(), 3)
+	value, ok = res.Attributes().Get(semconv.AttributeServiceName)
+	assert.True(t, ok)
+	assert.Equal(t, "a", value.AsString())
+	value, ok = res.Attributes().Get(semconv.AttributeServiceVersion)
+	assert.True(t, ok)
+	assert.Equal(t, "b", value.AsString())
+	value, ok = res.Attributes().Get(semconv.AttributeServiceInstanceID)
+	assert.True(t, ok)
+	assert.Equal(t, "c", value.AsString())
+}

service/telemetry_test.go

@@ -11,7 +11,6 @@ import (
 
 	io_prometheus_client "github.com/prometheus/client_model/go"
 	"github.com/prometheus/common/expfmt"
-	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"go.opencensus.io/stats"
 	"go.opencensus.io/stats/view"
@@ -37,63 +36,6 @@ const (
 	counterName  = "test_counter"
 )
 
-func TestBuildResource(t *testing.T) {
-	buildInfo := component.NewDefaultBuildInfo()
-
-	// Check default config
-	cfg := telemetry.Config{}
-	otelRes := resource.New(buildInfo, cfg.Resource)
-	res := pdataFromSdk(otelRes)
-
-	assert.Equal(t, res.Attributes().Len(), 3)
-	value, ok := res.Attributes().Get(semconv.AttributeServiceName)
-	assert.True(t, ok)
-	assert.Equal(t, buildInfo.Command, value.AsString())
-	value, ok = res.Attributes().Get(semconv.AttributeServiceVersion)
-	assert.True(t, ok)
-	assert.Equal(t, buildInfo.Version, value.AsString())
-
-	_, ok = res.Attributes().Get(semconv.AttributeServiceInstanceID)
-	assert.True(t, ok)
-
-	// Check override by nil
-	cfg = telemetry.Config{
-		Resource: map[string]*string{
-			semconv.AttributeServiceName:       nil,
-			semconv.AttributeServiceVersion:    nil,
-			semconv.AttributeServiceInstanceID: nil,
-		},
-	}
-	otelRes = resource.New(buildInfo, cfg.Resource)
-	res = pdataFromSdk(otelRes)
-
-	// Attributes should not exist since we nil-ified all.
-	assert.Equal(t, res.Attributes().Len(), 0)
-
-	// Check override values
-	strPtr := func(v string) *string { return &v }
-	cfg = telemetry.Config{
-		Resource: map[string]*string{
-			semconv.AttributeServiceName:       strPtr("a"),
-			semconv.AttributeServiceVersion:    strPtr("b"),
-			semconv.AttributeServiceInstanceID: strPtr("c"),
-		},
-	}
-	otelRes = resource.New(buildInfo, cfg.Resource)
-	res = pdataFromSdk(otelRes)
-
-	assert.Equal(t, res.Attributes().Len(), 3)
-	value, ok = res.Attributes().Get(semconv.AttributeServiceName)
-	assert.True(t, ok)
-	assert.Equal(t, "a", value.AsString())
-	value, ok = res.Attributes().Get(semconv.AttributeServiceVersion)
-	assert.True(t, ok)
-	assert.Equal(t, "b", value.AsString())
-	value, ok = res.Attributes().Get(semconv.AttributeServiceInstanceID)
-	assert.True(t, ok)
-	assert.Equal(t, "c", value.AsString())
-}
-
 func TestTelemetryInit(t *testing.T) {
 	type metricValue struct {
 		value  float64