test: add tests for config.go (#144)

pkg/receiver/gitproviderreceiver/config_test.go

@@ -7,15 +7,15 @@ import (
 	"testing"
 	"time"
 
+	"github.com/liatrio/liatrio-otel-collector/pkg/receiver/gitproviderreceiver/internal"
+	"github.com/liatrio/liatrio-otel-collector/pkg/receiver/gitproviderreceiver/internal/metadata"
+	"github.com/liatrio/liatrio-otel-collector/pkg/receiver/gitproviderreceiver/internal/scraper/githubscraper"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/collector/component"
+	"go.opentelemetry.io/collector/confmap"
 	"go.opentelemetry.io/collector/otelcol/otelcoltest"
 	"go.opentelemetry.io/collector/receiver/scraperhelper"
-
-	"github.com/liatrio/liatrio-otel-collector/pkg/receiver/gitproviderreceiver/internal"
-	"github.com/liatrio/liatrio-otel-collector/pkg/receiver/gitproviderreceiver/internal/metadata"
-	"github.com/liatrio/liatrio-otel-collector/pkg/receiver/gitproviderreceiver/internal/scraper/githubscraper"
 )
 
 func TestLoadConfig(t *testing.T) {
@@ -63,3 +63,58 @@ func TestLoadInvalidConfig_NoScrapers(t *testing.T) {
 
 	require.Contains(t, err.Error(), "must specify at least one scraper")
 }
+
+func TestLoadInvalidConfig_InvalidScraperKey(t *testing.T) {
+	factories, err := otelcoltest.NopFactories()
+	require.NoError(t, err)
+
+	factory := NewFactory()
+	factories.Receivers[metadata.Type] = factory
+	_, err = otelcoltest.LoadConfigAndValidate(filepath.Join("testdata", "config-invalidscraperkey.yaml"), factories)
+
+	require.Contains(t, err.Error(), "error reading configuration for \"gitprovider\": invalid scraper key: invalidscraperkey")
+}
+
+func TestConfig_Unmarshal(t *testing.T) {
+	type fields struct {
+		ScraperControllerSettings scraperhelper.ScraperControllerSettings
+		Scrapers                  map[string]internal.Config
+		MetricsBuilderConfig      metadata.MetricsBuilderConfig
+	}
+
+	type args struct {
+		componentParser *confmap.Conf
+	}
+
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		wantErr bool
+	}{
+		{
+			name:    "Empty Component Parser",
+			fields:  fields{},
+			args:    args{componentParser: nil},
+			wantErr: false,
+		},
+		// {
+		// 	name: "valid Compenent Parser",
+		// 	fields: fields{},
+		// 	args: args{ componentParser: notnil },
+		// 	wantErr: false,
+		// },
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			cfg := &Config{
+				ScraperControllerSettings: test.fields.ScraperControllerSettings,
+				Scrapers:                  test.fields.Scrapers,
+				MetricsBuilderConfig:      test.fields.MetricsBuilderConfig,
+			}
+			if err := cfg.Unmarshal(test.args.componentParser); (err != nil) != test.wantErr {
+				t.Errorf("Config.Unmarshal() error = %v, wantErr %v", err, test.wantErr)
+			}
+		})
+	}
+}

pkg/receiver/gitproviderreceiver/testdata/config-invalidscraperkey.yaml

@@ -0,0 +1,20 @@
+---
+receivers:
+    gitprovider:
+        initial_delay: 1s
+        collection_interval: 60s
+        scrapers:
+            invalidscraperkey:
+
+processors:
+    nop:
+
+exporters:
+    nop:
+
+service:
+    pipelines:
+        metrics:
+            receivers: [gitprovider]
+            processors: [nop]
+            exporters: [nop]