add test for cmd/jeager/internal

Signed-off-by: Harshvir Potpose <hpotpose62@gmail.com>

cmd/jaeger/internal/command_test.go

@@ -0,0 +1,22 @@
+package internal
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCommand(t *testing.T) {
+	cmd := Command()
+
+	assert.NotNil(t, cmd, "Command() should return a non-nil *cobra.Command instance")
+
+	expectedShortDescription := "Jaeger backend v2"
+	assert.Equal(t, expectedShortDescription, cmd.Short, "Command short description should be '%s'", expectedShortDescription)
+
+	expectedLongDescription := "Jaeger backend v2"
+	assert.Equal(t, expectedLongDescription, cmd.Long, "Command long description should be '%s'", expectedLongDescription)
+
+	assert.NotNil(t, cmd.RunE, "Command should have RunE function set")
+
+}

cmd/jaeger/internal/components_test.go

@@ -0,0 +1,22 @@
+package internal
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestComponents(t *testing.T) {
+	factories, err := components()
+
+	assert.NoError(t, err)
+
+	assert.NotNil(t, factories.Extensions)
+	assert.NotNil(t, factories.Receivers)
+	assert.NotNil(t, factories.Exporters)
+	assert.NotNil(t, factories.Processors)
+	assert.NotNil(t, factories.Connectors)
+
+	_, jaegerReceiverFactoryExists := factories.Receivers["jaeger"]
+	assert.True(t, jaegerReceiverFactoryExists)
+}