move tests to sub folders

internal/processor/test/string-decode_test.go

@@ -0,0 +1,98 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestStringDecodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["string.decode"]
+	if !ok {
+		t.Fatalf("string.decode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "string.decode",
+	})
+	if err != nil {
+		t.Fatalf("failed to create string.decode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "string.decode" {
+		t.Fatalf("string.decode processor has wrong type: %s", processorInstance.Type())
+	}
+
+	payload := []byte{'h', 'e', 'l', 'l', 'o'}
+	expected := "hello"
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("string.decode processing failed: %s", err)
+	}
+
+	if got != expected {
+		t.Fatalf("string.decode got %+v, expected %+v", got, expected)
+	}
+}
+
+func TestGoodStringDecode(t *testing.T) {
+	stringDecoder := processor.StringDecode{}
+	tests := []struct {
+		name     string
+		payload  any
+		expected string
+	}{
+		{
+			name:     "basic string",
+			payload:  []byte{0x68, 0x65, 0x6c, 0x6c, 0x6f},
+			expected: "hello",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := stringDecoder.Process(t.Context(), test.payload)
+
+			gotString, ok := got.(string)
+			if !ok {
+				t.Fatalf("string.decode returned a %T payload: %s", got, got)
+			}
+			if err != nil {
+				t.Fatalf("string.decode failed: %s", err)
+			}
+			if gotString != test.expected {
+				t.Fatalf("string.decode got %s, expected %s", got, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadStringDecode(t *testing.T) {
+	stringDecoder := processor.StringDecode{}
+	tests := []struct {
+		name        string
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "non-[]byte input",
+			payload:     "hello",
+			errorString: "string.decode processor only accepts a []byte",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := stringDecoder.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("string.decode expected to fail but got payload: %s", got)
+			}
+			if err.Error() != test.errorString {
+				t.Fatalf("string.decode got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}