add provider's mock and configuration load test case

processor/geoipprocessor/go.mod

@@ -7,6 +7,7 @@ require (
 	go.opentelemetry.io/collector/component v0.101.1-0.20240527192838-af4fdd4e342a
 	go.opentelemetry.io/collector/confmap v0.101.1-0.20240527192838-af4fdd4e342a
 	go.opentelemetry.io/collector/consumer v0.101.1-0.20240527192838-af4fdd4e342a
+	go.opentelemetry.io/collector/otelcol v0.101.0
 	go.opentelemetry.io/collector/pdata v1.8.1-0.20240527192838-af4fdd4e342a
 	go.opentelemetry.io/collector/processor v0.101.1-0.20240527192838-af4fdd4e342a
 	go.opentelemetry.io/otel v1.27.0
@@ -63,7 +64,6 @@ require (
 	go.opentelemetry.io/collector/exporter v0.101.0 // indirect
 	go.opentelemetry.io/collector/extension v0.101.0 // indirect
 	go.opentelemetry.io/collector/featuregate v1.8.0 // indirect
-	go.opentelemetry.io/collector/otelcol v0.101.0 // indirect
 	go.opentelemetry.io/collector/pdata/testdata v0.101.0 // indirect
 	go.opentelemetry.io/collector/receiver v0.101.0 // indirect
 	go.opentelemetry.io/collector/semconv v0.101.0 // indirect

processor/geoipprocessor/internal/provider/geoipprovider.go

@@ -7,7 +7,6 @@ import (
 	"context"
 	"net"
 
-	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/processor"
 	"go.opentelemetry.io/otel/attribute"
 )
@@ -19,10 +18,7 @@ type GeoIPProvider interface {
 }
 
 // Config is the configuration of a GeoIPProvider.
-// It extends the component.ConfigValidator interface to include validation logic.
-type Config interface {
-	component.ConfigValidator
-}
+type Config interface{}
 
 // GeoIPProviderFactory can create GeoIPProvider instances.
 type GeoIPProviderFactory interface {

processor/geoipprocessor/provider_test.go

@@ -0,0 +1,70 @@
+package geoipprocessor
+
+import (
+	"context"
+	"net"
+	"path/filepath"
+	"testing"
+
+	"github.com/open-telemetry/opentelemetry-collector-contrib/processor/geoipprocessor/internal/metadata"
+	"github.com/open-telemetry/opentelemetry-collector-contrib/processor/geoipprocessor/internal/provider"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"go.opentelemetry.io/collector/otelcol/otelcoltest"
+	"go.opentelemetry.io/collector/processor"
+	"go.opentelemetry.io/otel/attribute"
+)
+
+type ProviderMock struct {
+	LocationF func(context.Context, net.IP) (attribute.Set, error)
+}
+
+type ProviderFactoryMock struct {
+	CreateDefaultConfigF func() provider.Config
+	CreateGeoIPProviderF func(ctx context.Context, settings processor.CreateSettings, cfg provider.Config) (provider.GeoIPProvider, error)
+}
+
+var (
+	_ provider.GeoIPProvider        = (*ProviderMock)(nil)
+	_ provider.GeoIPProviderFactory = (*ProviderFactoryMock)(nil)
+)
+
+func (pm *ProviderMock) Location(ctx context.Context, ip net.IP) (attribute.Set, error) {
+	return pm.LocationF(ctx, ip)
+}
+
+func (fm *ProviderFactoryMock) CreateDefaultConfig() provider.Config {
+	return fm.CreateDefaultConfigF()
+}
+
+func (fm *ProviderFactoryMock) CreateGeoIPProvider(ctx context.Context, settings processor.CreateSettings, cfg provider.Config) (provider.GeoIPProvider, error) {
+	return fm.CreateGeoIPProviderF(ctx, settings, cfg)
+}
+
+func TestLoadConfig_MockProvider(t *testing.T) {
+	mockProvider := ProviderMock{
+		LocationF: func(context.Context, net.IP) (attribute.Set, error) {
+			return attribute.Set{}, nil
+		},
+	}
+	mockFactory := ProviderFactoryMock{
+		CreateDefaultConfigF: func() provider.Config {
+			type SampleConfig struct {
+				Database string `mapstructure:"database"`
+			}
+			return &SampleConfig{}
+		},
+		CreateGeoIPProviderF: func(ctx context.Context, settings processor.CreateSettings, cfg provider.Config) (provider.GeoIPProvider, error) {
+			return &mockProvider, nil
+		},
+	}
+
+	factories, err := otelcoltest.NopFactories()
+	require.NoError(t, err)
+
+	providerFactories["mock"] = &mockFactory
+	factory := NewFactory()
+	factories.Processors[metadata.Type] = factory
+	_, err = otelcoltest.LoadConfigAndValidate(filepath.Join("testdata", "config-mockProvider.yaml"), factories)
+	assert.NoError(t, err)
+}

processor/geoipprocessor/testdata/config-mockProvider.yaml

@@ -0,0 +1,17 @@
+processors:
+  geoip:
+    providers:
+      mock:
+        database: "/tmp/geodata.csv"
+receivers:
+  nop:
+
+exporters:
+  nop:
+
+service:
+  pipelines:
+    metrics:
+      receivers: [nop]
+      processors: [geoip]
+      exporters: [nop]