Deprecate receivertest.NewNopFactoryForType (#11993)

We do not offer same for any other component test package, and also this
is only used in one place across core and contrib. For consistency and
limiting the public API, deprecate this functionality.

Signed-off-by: Bogdan Drutu <[email protected]>

.chloggen/dep-component-type.yaml

@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: deprecation
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: receivertest
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Deprecate receivertest.NewNopFactoryForType
+
+# One or more tracking issues or pull requests related to the change
+issues: [11993]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]

otelcol/factories_test.go

@@ -11,7 +11,6 @@ import (
 	"go.opentelemetry.io/collector/exporter/exportertest"
 	"go.opentelemetry.io/collector/extension"
 	"go.opentelemetry.io/collector/extension/extensiontest"
-	"go.opentelemetry.io/collector/pipeline"
 	"go.opentelemetry.io/collector/processor"
 	"go.opentelemetry.io/collector/processor/processortest"
 	"go.opentelemetry.io/collector/receiver"
@@ -38,7 +37,7 @@ func nopFactories() (Factories, error) {
 		factories.ExtensionModules[ext.Type()] = "go.opentelemetry.io/collector/extension/extensiontest v1.2.3"
 	}
 
-	if factories.Receivers, err = receiver.MakeFactoryMap(receivertest.NewNopFactory(), receivertest.NewNopFactoryForType(pipeline.SignalLogs)); err != nil {
+	if factories.Receivers, err = receiver.MakeFactoryMap(receivertest.NewNopFactory()); err != nil {
 		return Factories{}, err
 	}
 	factories.ReceiverModules = make(map[component.Type]string, len(factories.Receivers))

otelcol/testdata/components-output.yaml

@@ -9,12 +9,6 @@ receivers:
         logs: Stable
         metrics: Stable
         traces: Stable
-    - name: nop_logs
-      module: go.opentelemetry.io/collector/receiver/receivertest v1.2.3
-      stability:
-        logs: Stable
-        metrics: Undefined
-        traces: Undefined
 processors:
     - name: nop
       module: go.opentelemetry.io/collector/processor/processortest v1.2.3

receiver/receivertest/nop_receiver.go

@@ -40,8 +40,7 @@ func NewNopFactory() receiver.Factory {
 	)
 }
 
-// NewNopFactoryForType returns a receiver.Factory that constructs nop receivers supporting only the
-// given data type.
+// Deprecated: [v0.117.0] use NewNopFactory or create own factory.
 func NewNopFactoryForType(signal pipeline.Signal) receiver.Factory {
 	var factoryOpt receiver.FactoryOption
 	switch signal {

receiver/receivertest/nop_receiver_test.go

@@ -10,18 +10,15 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/component/componenttest"
 	"go.opentelemetry.io/collector/consumer/consumertest"
 	"go.opentelemetry.io/collector/receiver/xreceiver"
 )
 
-var nopType = component.MustNewType("nop")
-
 func TestNewNopFactory(t *testing.T) {
 	factory := NewNopFactory()
 	require.NotNil(t, factory)
-	assert.Equal(t, nopType, factory.Type())
+	assert.Equal(t, "nop", factory.Type().String())
 	cfg := factory.CreateDefaultConfig()
 	assert.Equal(t, &nopConfig{}, cfg)