standardize processor instance creation in tests

internal/processor/test/artnet-packet-filter_test.go

@@ -71,12 +71,15 @@ func TestGoodArtnetPacketFilter(t *testing.T) {
 
 	tests := []struct {
 		name     string
+		params   map[string]any
 		payload  any
-		opCode   uint16
 		expected artnet.ArtNetPacket
 	}{
 		{
 			name: "tiemcode packet with matching opCode",
+			params: map[string]any{
+				"opCode": float64(artnet.OpTimeCode),
+			},
 			payload: &artnet.ArtTimeCode{
 				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
 				OpCode:    artnet.OpTimeCode,
@@ -90,7 +93,6 @@ func TestGoodArtnetPacketFilter(t *testing.T) {
 				Hours:     0,
 				Type:      0,
 			},
-			opCode: artnet.OpTimeCode,
 			expected: &artnet.ArtTimeCode{
 				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
 				OpCode:    artnet.OpTimeCode,
@@ -106,7 +108,10 @@ func TestGoodArtnetPacketFilter(t *testing.T) {
 			},
 		},
 		{
-			name: "tiemcode packet with mismatching opCode",
+			name: "timecode packet with mismatching opCode",
+			params: map[string]any{
+				"opCode": float64(artnet.OpDmx),
+			},
 			payload: &artnet.ArtTimeCode{
 				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
 				OpCode:    artnet.OpTimeCode,
@@ -120,17 +125,27 @@ func TestGoodArtnetPacketFilter(t *testing.T) {
 				Hours:     0,
 				Type:      0,
 			},
-			opCode:   artnet.OpDmx,
 			expected: nil,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			artnetPacketFilter := processor.ArtNetPacketFilter{
-				OpCode: test.opCode,
+			registration, ok := processor.ProcessorRegistry["artnet.packet.filter"]
+			if !ok {
+				t.Fatalf("artnet.packet.filter processor not registered")
 			}
-			got, err := artnetPacketFilter.Process(t.Context(), test.payload)
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "artnet.packet.filter",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("artnet.packet.filter failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err != nil {
 				t.Fatalf("artnet.packet.filter failed: %s", err)
@@ -158,8 +173,8 @@ func TestGoodArtnetPacketFilter(t *testing.T) {
 func TestBadArtnetPacketFilter(t *testing.T) {
 	tests := []struct {
 		name        string
-		payload     any
 		params      map[string]any
+		payload     any
 		errorString string
 	}{
 		{

internal/processor/test/float-parse_test.go

@@ -80,37 +80,55 @@ func TestFloatParseGoodConfig(t *testing.T) {
 }
 
 func TestGoodFloatParse(t *testing.T) {
-	floatParser := processor.FloatParse{}
 	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		bitSize   int
-		expected  float64
+		name     string
+		params   map[string]any
+		payload  any
+		expected float64
 	}{
 		{
-			name:     "positive number",
+			name: "positive number",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:  "12345.67",
-			bitSize:  64,
 			expected: 12345.67,
 		},
 		{
-			name:     "negative number",
+			name: "negative number",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:  "-12345.67",
-			bitSize:  64,
 			expected: -12345.67,
 		},
 		{
-			name:     "zero",
+			name: "zero",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:  "0",
-			bitSize:  64,
 			expected: 0,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			got, err := floatParser.Process(t.Context(), test.payload)
+			registration, ok := processor.ProcessorRegistry["float.parse"]
+			if !ok {
+				t.Fatalf("float.parse processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "float.parse",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("float.parse failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			gotFloat, ok := got.(float64)
 			if !ok {
@@ -128,38 +146,50 @@ func TestGoodFloatParse(t *testing.T) {
 
 func TestBadFloatParse(t *testing.T) {
 	tests := []struct {
-		processor   processor.Processor
 		name        string
+		params      map[string]any
 		payload     any
-		bitSize     int
 		errorString string
 	}{
 		{
-			name:        "non-string input",
+			name: "non-string input",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:     []byte{0x01},
-			bitSize:     64,
 			errorString: "float.parse processor only accepts a string",
 		},
 		{
-			name:        "not float string",
+			name: "not float string",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:     "abcd",
-			bitSize:     64,
 			errorString: "strconv.ParseFloat: parsing \"abcd\": invalid syntax",
 		},
 		{
-			name:        "bit size overflow",
+			name: "bit size overflow",
+			params: map[string]any{
+				"bitSize": 32.0,
+			},
 			payload:     "1.79e+64",
-			bitSize:     32,
 			errorString: "strconv.ParseFloat: parsing \"1.79e+64\": value out of range",
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			floatParser := processor.FloatParse{
-				BitSize: test.bitSize,
+			registration, ok := processor.ProcessorRegistry["float.parse"]
+			if !ok {
+				t.Fatalf("float.parse processor not registered")
 			}
-			got, err := floatParser.Process(t.Context(), test.payload)
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "float.parse",
+				Params: test.params,
+			})
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err == nil {
 				t.Fatalf("float.parse expected to fail but succeeded, got: %v", got)

internal/processor/test/int-parse_test.go

@@ -100,58 +100,75 @@ func TestIntParseGoodConfig(t *testing.T) {
 
 func TestGoodIntParse(t *testing.T) {
 	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		expected  int64
-		base      int
-		bitSize   int
+		name     string
+		params   map[string]any
+		payload  any
+		expected int64
 	}{
 		{
-			name:     "positive number",
+			name: "positive number",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:  "12345",
 			expected: 12345,
-			base:     10,
-			bitSize:  64,
 		},
 		{
-			name:     "negative number",
+			name: "negative number",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:  "-12345",
 			expected: -12345,
-			base:     10,
-			bitSize:  64,
 		},
 		{
-			name:     "zero",
+			name: "zero",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:  "0",
 			expected: 0,
-			base:     10,
-			bitSize:  64,
 		},
 		{
-			name:     "binary",
+			name: "binary",
+			params: map[string]any{
+				"base":    2.0,
+				"bitSize": 64.0,
+			},
 			payload:  "1010101",
 			expected: 85,
-			base:     2,
-			bitSize:  64,
 		},
 		{
-			name:     "hex",
+			name: "hex",
+			params: map[string]any{
+				"base":    16.0,
+				"bitSize": 64.0,
+			},
 			payload:  "15F",
 			expected: 351,
-			base:     16,
-			bitSize:  64,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			intParser := processor.IntParse{
-				Base:    test.base,
-				BitSize: test.bitSize,
+			registration, ok := processor.ProcessorRegistry["int.parse"]
+			if !ok {
+				t.Fatalf("int.parse processor not registered")
 			}
 
-			got, err := intParser.Process(t.Context(), test.payload)
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "int.parse",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("int.parse failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			gotInt, ok := got.(int64)
 			if !ok {
@@ -169,43 +186,53 @@ func TestGoodIntParse(t *testing.T) {
 
 func TestBadIntParse(t *testing.T) {
 	tests := []struct {
-		processor   processor.Processor
 		name        string
+		params      map[string]any
 		payload     any
-		base        int
-		bitSize     int
 		errorString string
 	}{
 		{
-			name:        "non-string input",
+			name: "non-string input",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:     []byte{0x01},
-			base:        10,
-			bitSize:     64,
 			errorString: "int.parse processor only accepts a string",
 		},
 		{
-			name:        "not int string",
+			name: "not int string",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:     "123.46",
-			base:        10,
-			bitSize:     64,
 			errorString: "strconv.ParseInt: parsing \"123.46\": invalid syntax",
 		},
 		{
-			name:        "bit overflow",
+			name: "bit overflow",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 32.0,
+			},
 			payload:     "12345678901234567890",
-			base:        10,
-			bitSize:     32,
 			errorString: "strconv.ParseInt: parsing \"12345678901234567890\": value out of range",
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			intParser := processor.IntParse{
-				Base:    test.base,
-				BitSize: test.bitSize,
+			registration, ok := processor.ProcessorRegistry["int.parse"]
+			if !ok {
+				t.Fatalf("int.parse processor not registered")
 			}
-			got, err := intParser.Process(t.Context(), test.payload)
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "int.parse",
+				Params: test.params,
+			})
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err == nil {
 				t.Fatalf("int.parse expected to fail but succeeded, got: %v", got)

internal/processor/test/int-random_test.go

@@ -67,27 +67,37 @@ func TestIntRandomGoodConfig(t *testing.T) {
 
 func TestGoodIntRandom(t *testing.T) {
 	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		min       int
-		max       int
+		name    string
+		payload any
+		params  map[string]any
 	}{
 		{
-			name:    "1-10",
+			name: "1-10",
+			params: map[string]any{
+				"min": 1.0,
+				"max": 10.0,
+			},
 			payload: "12345",
-			min:     1,
-			max:     10,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			intRandom := processor.IntRandom{
-				Min: test.min,
-				Max: test.max,
+			registration, ok := processor.ProcessorRegistry["int.random"]
+			if !ok {
+				t.Fatalf("int.random processor not registered")
 			}
-			got, err := intRandom.Process(t.Context(), test.payload)
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "int.random",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("int.random failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 			gotInt, ok := got.(int)
 			if !ok {
 				t.Fatalf("int.random returned a %T payload: %s", got, got)
@@ -95,8 +105,18 @@ func TestGoodIntRandom(t *testing.T) {
 			if err != nil {
 				t.Fatalf("int.random failed: %s", err)
 			}
-			if gotInt < test.min || gotInt > test.max {
-				t.Fatalf("int.random got %d, expected between %d and %d", gotInt, test.min, test.max)
+
+			minNum, ok := test.params["min"].(float64)
+			if !ok {
+				t.Fatalf("int.random test min param is not a number: %s", test.params["min"])
+			}
+			maxNum, ok := test.params["max"].(float64)
+			if !ok {
+				t.Fatalf("int.random test max param is not a number: %s", test.params["max"])
+			}
+
+			if gotInt < int(minNum) || gotInt > int(maxNum) {
+				t.Fatalf("int.random got %d, expected between %d and %d", gotInt, int(minNum), int(maxNum))
 			}
 		})
 	}

internal/processor/test/midi-message-encode_test.go

@@ -1,10 +1,12 @@
 package processor_test
 
 import (
+	"slices"
 	"testing"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/processor"
+	"gitlab.com/gomidi/midi/v2"
 )
 
 func TestMIDIMessageEncodeFromRegistry(t *testing.T) {
@@ -25,3 +27,63 @@ func TestMIDIMessageEncodeFromRegistry(t *testing.T) {
 		t.Fatalf("midi.message.encode processor has wrong type: %s", processorInstance.Type())
 	}
 }
+
+func TestGoodMIDIMessageEncode(t *testing.T) {
+	midiMessageEncoder := processor.MIDIMessageEncode{}
+	tests := []struct {
+		name     string
+		payload  any
+		expected []byte
+	}{
+		{
+			name:     "note on message",
+			payload:  midi.NoteOn(1, 60, 127),
+			expected: []byte{0x91, 0x3c, 0x7f},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := midiMessageEncoder.Process(t.Context(), test.payload)
+
+			gotBytes, ok := got.([]byte)
+			if !ok {
+				t.Fatalf("midi.message.encode returned a %T payload: %s", got, got)
+			}
+			if err != nil {
+				t.Fatalf("midi.message.encode failed: %s", err)
+			}
+			if !slices.Equal(gotBytes, test.expected) {
+				t.Fatalf("midi.message.encode got %+v, expected %+v", got, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadMIDIMessageEncode(t *testing.T) {
+	midiMessageEncoder := processor.MIDIMessageEncode{}
+	tests := []struct {
+		name        string
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "non-midi message input",
+			payload:     []byte{0x68, 0x65, 0x6c, 0x6c, 0x6f},
+			errorString: "midi.message.encode processor only accepts a midi.Message",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := midiMessageEncoder.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("midi.message.encode expected to fail but got payload: %s", got)
+			}
+			if err.Error() != test.errorString {
+				t.Fatalf("midi.message.encode got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/test/midi-message-filter_test.go

@@ -1,10 +1,12 @@
 package processor_test
 
 import (
+	"reflect"
 	"testing"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/processor"
+	"gitlab.com/gomidi/midi/v2"
 )
 
 func TestMIDIMessageFilterFromRegistry(t *testing.T) {
@@ -28,3 +30,128 @@ func TestMIDIMessageFilterFromRegistry(t *testing.T) {
 		t.Fatalf("midi.message.filter processor has wrong type: %s", processorInstance.Type())
 	}
 }
+
+func TestGoodMIDIMessageFilter(t *testing.T) {
+	tests := []struct {
+		name     string
+		params   map[string]any
+		payload  midi.Message
+		expected midi.Message
+	}{
+		{
+			name:     "matches pattern",
+			payload:  midi.NoteOn(1, 60, 127),
+			params:   map[string]any{"type": "NoteOn"},
+			expected: midi.NoteOn(1, 60, 127),
+		},
+		{
+			name:     "does not match pattern",
+			payload:  midi.NoteOn(1, 60, 127),
+			params:   map[string]any{"type": "NoteOff"},
+			expected: nil,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.message.filter"]
+			if !ok {
+				t.Fatalf("midi.message.filter processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.message.filter",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("midi.message.filter failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+
+			if err != nil {
+				t.Fatalf("midi.message.filter failed: %s", err)
+			}
+
+			if test.expected == nil {
+				if got != nil {
+					t.Fatalf("midi.message.filter got %+v, expected nil", got)
+				}
+				return
+			}
+
+			gotMIDIMessage, ok := got.(midi.Message)
+			if !ok {
+				t.Fatalf("midi.message.filter returned a %T payload: %s", got, got)
+			}
+
+			if !reflect.DeepEqual(gotMIDIMessage, test.expected) {
+				t.Fatalf("midi.message.filter got %+v, expected %+v", gotMIDIMessage, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadMIDIMessageFilter(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "no type param",
+			params:      map[string]any{},
+			payload:     midi.NoteOn(1, 60, 127),
+			errorString: "midi.message.filter requires a type parameter",
+		},
+		{
+			name: "non-string type param",
+			params: map[string]any{
+				"type": 123,
+			},
+			payload:     "hello",
+			errorString: "midi.message.filter type must be a string",
+		},
+		{
+			name: "non-midi message input",
+			params: map[string]any{
+				"type": "NoteOn",
+			},
+			payload:     []byte{0x68, 0x65, 0x6c, 0x6c, 0x6f},
+			errorString: "midi.message.filter processor only accepts a midi.Message",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.message.filter"]
+			if !ok {
+				t.Fatalf("midi.message.filter processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.message.filter",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("midi.message.filter got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("midi.message.filter expected to fail but got payload: %s", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("midi.message.filter got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/test/script-expr_test.go

@@ -3,7 +3,6 @@ package processor_test
 import (
 	"testing"
 
-	"github.com/expr-lang/expr"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/processor"
 )
@@ -83,14 +82,16 @@ func TestScriptExprBadConfigNonCompilingExpression(t *testing.T) {
 
 func TestGoodScriptExpr(t *testing.T) {
 	tests := []struct {
-		program  string
 		name     string
+		params   map[string]any
 		payload  map[string]any
 		expected any
 	}{
 		{
-			program: "foo + bar",
-			name:    "number",
+			name: "number",
+			params: map[string]any{
+				"expression": "foo + bar",
+			},
 			payload: map[string]any{
 				"foo": 1,
 				"bar": 1,
@@ -98,8 +99,10 @@ func TestGoodScriptExpr(t *testing.T) {
 			expected: 2,
 		},
 		{
-			program: "foo + bar",
-			name:    "string",
+			name: "string",
+			params: map[string]any{
+				"expression": "foo + bar",
+			},
 			payload: map[string]any{
 				"foo": "1",
 				"bar": "1",
@@ -110,14 +113,21 @@ func TestGoodScriptExpr(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			program, err := expr.Compile(test.program)
-			if err != nil {
-				t.Fatalf("script.expr failed to compile program: %s", err)
+			registration, ok := processor.ProcessorRegistry["script.expr"]
+			if !ok {
+				t.Fatalf("script.expr processor not registered")
 			}
 
-			exprProcessor := &processor.ScriptExpr{Program: program}
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "script.expr",
+				Params: test.params,
+			})
 
-			got, err := exprProcessor.Process(t.Context(), test.payload)
+			if err != nil {
+				t.Fatalf("script.expr failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err != nil {
 				t.Fatalf("script.expr failed: %s", err)
@@ -133,14 +143,16 @@ func TestGoodScriptExpr(t *testing.T) {
 
 func TestBadScriptExpr(t *testing.T) {
 	tests := []struct {
-		program     string
 		name        string
+		params      map[string]any
 		payload     map[string]any
 		errorString string
 	}{
 		{
-			name:    "accessing missing field",
-			program: "foo + bar",
+			name: "accessing missing field",
+			params: map[string]any{
+				"expression": "foo + bar",
+			},
 			payload: map[string]any{
 				"foo": 1,
 			},
@@ -150,14 +162,17 @@ func TestBadScriptExpr(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			program, err := expr.Compile(test.program)
-			if err != nil {
-				t.Fatalf("script.expr failed to compile program: %s", err)
+			registration, ok := processor.ProcessorRegistry["script.expr"]
+			if !ok {
+				t.Fatalf("script.expr processor not registered")
 			}
 
-			exprProcessor := &processor.ScriptExpr{Program: program}
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "script.expr",
+				Params: test.params,
+			})
 
-			got, err := exprProcessor.Process(t.Context(), test.payload)
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err == nil {
 				t.Fatalf("script.expr expected to fail but succeeded, got: %v", got)

internal/processor/test/script-js_test.go

@@ -79,40 +79,48 @@ func TestScriptJSBadConfigWrongProgramType(t *testing.T) {
 
 func TestGoodScriptJS(t *testing.T) {
 	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		expected  any
+		name     string
+		params   map[string]any
+		payload  any
+		expected any
 	}{
 		{
 			name: "number",
-			processor: &processor.ScriptJS{Program: `
-			payload = payload + 1
-			`},
+			params: map[string]any{
+				"program": `
+				payload = payload + 1
+				`,
+			},
 			payload:  1,
 			expected: 2,
 		},
 		{
 			name: "string",
-			processor: &processor.ScriptJS{Program: `
-			payload = payload + "1"
-			`},
+			params: map[string]any{
+				"program": `
+				payload = payload + "1"
+				`,
+			},
 			payload:  "1",
 			expected: "11",
 		},
 		{
 			name: "object",
-			processor: &processor.ScriptJS{Program: `
-			payload = { key: payload }
-			`},
+			params: map[string]any{
+				"program": `
+				payload = { key: payload }
+				`,
+			},
 			payload:  "1",
 			expected: map[string]any{"key": "1"},
 		},
 		{
 			name: "nil",
-			processor: &processor.ScriptJS{Program: `
-			payload = undefined
-			`},
+			params: map[string]any{
+				"program": `
+				payload = undefined
+				`,
+			},
 			payload:  "1",
 			expected: nil,
 		},
@@ -120,7 +128,21 @@ func TestGoodScriptJS(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			got, err := test.processor.Process(t.Context(), test.payload)
+			registration, ok := processor.ProcessorRegistry["script.js"]
+			if !ok {
+				t.Fatalf("script.js processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "script.js",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("script.js failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err != nil {
 				t.Fatalf("script.js process failed: %s", err)
@@ -151,13 +173,17 @@ func TestGoodScriptJS(t *testing.T) {
 func TestBadScriptJS(t *testing.T) {
 	tests := []struct {
 		name        string
-		processor   processor.Processor
+		params      map[string]any
 		payload     any
 		errorString string
 	}{
 		{
-			name:        "accessing not defined variable",
-			processor:   &processor.ScriptJS{Program: `paylod = foo`},
+			name: "accessing not defined variable",
+			params: map[string]any{
+				"program": `
+				paylod = foo
+				`,
+			},
 			payload:     0,
 			errorString: "ReferenceError: 'foo' is not defined",
 		},
@@ -165,7 +191,17 @@ func TestBadScriptJS(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			got, err := test.processor.Process(t.Context(), test.payload)
+			registration, ok := processor.ProcessorRegistry["script.js"]
+			if !ok {
+				t.Fatalf("script.js processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "script.js",
+				Params: test.params,
+			})
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err == nil {
 				t.Fatalf("script.js expected to fail but succeeded, got: %v", got)

internal/processor/test/string-create_test.go

@@ -2,7 +2,6 @@ package processor_test
 
 import (
 	"testing"
-	"text/template"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/processor"
@@ -53,37 +52,37 @@ func TestGoodStringCreate(t *testing.T) {
 
 	tests := []struct {
 		name     string
-		template string
+		params   map[string]any
 		payload  any
 		expected string
 	}{
 		{
 			name:     "string payload",
-			template: "{{.}}",
+			params:   map[string]any{"template": "{{.}}"},
 			payload:  "hello",
 			expected: "hello",
 		},
 		{
 			name:     "number payload",
-			template: "{{.}}",
+			params:   map[string]any{"template": "{{.}}"},
 			payload:  4,
 			expected: "4",
 		},
 		{
 			name:     "boolean payload",
-			template: "{{.}}",
+			params:   map[string]any{"template": "{{.}}"},
 			payload:  true,
 			expected: "true",
 		},
 		{
 			name:     "struct payload - field",
-			template: "{{.Data}}",
+			params:   map[string]any{"template": "{{.Data}}"},
 			payload:  TestStruct{Data: "test"},
 			expected: "test",
 		},
 		{
 			name:     "struct payload - method",
-			template: "{{.GetData}}",
+			params:   map[string]any{"template": "{{.GetData}}"},
 			payload:  TestStruct{Data: "test"},
 			expected: "test",
 		},
@@ -91,14 +90,21 @@ func TestGoodStringCreate(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			template, err := template.New("template").Parse(test.template)
-			if err != nil {
-				t.Fatalf("string.create template parsing failed: %s", err)
+			registration, ok := processor.ProcessorRegistry["string.create"]
+			if !ok {
+				t.Fatalf("string.create processor not registered")
 			}
 
-			processor := &processor.StringCreate{Template: template}
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "string.create",
+				Params: test.params,
+			})
 
-			got, err := processor.Process(t.Context(), test.payload)
+			if err != nil {
+				t.Fatalf("string.create failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			gotStrings, ok := got.(string)
 			if !ok {

internal/processor/test/string-filter_test.go

@@ -118,8 +118,8 @@ func TestGoodStringFilter(t *testing.T) {
 func TestBadStringFilter(t *testing.T) {
 	tests := []struct {
 		name        string
-		payload     any
 		params      map[string]any
+		payload     any
 		errorString string
 	}{
 		{

internal/processor/test/string-split_test.go

@@ -49,22 +49,36 @@ func TestStringSplitFromRegistry(t *testing.T) {
 
 func TestGoodStringSplit(t *testing.T) {
 	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		expected  []string
+		name     string
+		params   map[string]any
+		payload  any
+		expected []string
 	}{
 		{
-			processor: &processor.StringSplit{Separator: ","},
-			name:      "comma separated",
-			payload:   "part1,part2,part3",
-			expected:  []string{"part1", "part2", "part3"},
+			name:     "comma separated",
+			params:   map[string]any{"separator": ","},
+			payload:  "part1,part2,part3",
+			expected: []string{"part1", "part2", "part3"},
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			got, err := test.processor.Process(t.Context(), test.payload)
+			registration, ok := processor.ProcessorRegistry["string.split"]
+			if !ok {
+				t.Fatalf("string.split processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "string.split",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("string.split failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			gotStrings, ok := got.([]string)
 			if !ok {

internal/processor/test/time-sleep_test.go

@@ -28,3 +28,36 @@ func TestTimeSleepFromRegistry(t *testing.T) {
 		t.Fatalf("time.sleep processor has wrong type: %s", processorInstance.Type())
 	}
 }
+
+func TestBadTimeSleep(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["time.sleep"]
+			if !ok {
+				t.Fatalf("time.sleep processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "time.sleep",
+				Params: test.params,
+			})
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("time.sleep expected to fail but succeeded, got: %v", got)
+
+			}
+			if err.Error() != test.errorString {
+				t.Fatalf("time.sleep got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/test/uint-parse_test.go

@@ -101,50 +101,54 @@ func TestUintParseGoodConfig(t *testing.T) {
 func TestGoodUintParse(t *testing.T) {
 
 	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		expected  uint64
-		base      int
-		bitSize   int
+		name     string
+		params   map[string]any
+		payload  any
+		expected uint64
 	}{
 		{
 			name:     "positive number",
+			params:   map[string]any{"base": 10.0, "bitSize": 64.0},
 			payload:  "12345",
 			expected: 12345,
-			base:     10,
-			bitSize:  64,
 		},
 		{
 			name:     "zero",
+			params:   map[string]any{"base": 10.0, "bitSize": 64.0},
 			payload:  "0",
 			expected: 0,
-			base:     10,
-			bitSize:  64,
 		},
 		{
 			name:     "binary",
+			params:   map[string]any{"base": 2.0, "bitSize": 64.0},
 			payload:  "1010101",
 			expected: 85,
-			base:     2,
-			bitSize:  64,
 		},
 		{
 			name:     "hex",
+			params:   map[string]any{"base": 16.0, "bitSize": 64.0},
 			payload:  "15F",
 			expected: 351,
-			base:     16,
-			bitSize:  64,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			uintParser := processor.UintParse{
-				Base:    test.base,
-				BitSize: test.bitSize,
+			registration, ok := processor.ProcessorRegistry["uint.parse"]
+			if !ok {
+				t.Fatalf("uint.parse processor not registered")
 			}
-			got, err := uintParser.Process(t.Context(), test.payload)
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "uint.parse",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("uint.parse failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			gotUint, ok := got.(uint64)
 			if !ok {
@@ -161,41 +165,45 @@ func TestGoodUintParse(t *testing.T) {
 }
 
 func TestBadUintParse(t *testing.T) {
-	uintParser := processor.UintParse{}
 	tests := []struct {
-		processor   processor.Processor
 		name        string
+		params      map[string]any
 		payload     any
-		base        int
-		bitSize     int
 		errorString string
 	}{
 		{
 			name:        "non-string input",
+			params:      map[string]any{"base": 10.0, "bitSize": 64.0},
 			payload:     []byte{0x01},
-			base:        10,
-			bitSize:     64,
 			errorString: "uint.parse processor only accepts a string",
 		},
 		{
 			name:        "not uint string",
+			params:      map[string]any{"base": 10.0, "bitSize": 64.0},
 			payload:     "-1234",
-			base:        10,
-			bitSize:     64,
 			errorString: "strconv.ParseUint: parsing \"-1234\": invalid syntax",
 		},
 		{
 			name:        "bit overflow",
+			params:      map[string]any{"base": 10.0, "bitSize": 32.0},
 			payload:     "123456789012345678901234567",
-			base:        10,
-			bitSize:     32,
 			errorString: "strconv.ParseUint: parsing \"123456789012345678901234567\": value out of range",
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			got, err := uintParser.Process(t.Context(), test.payload)
+			registration, ok := processor.ProcessorRegistry["uint.parse"]
+			if !ok {
+				t.Fatalf("uint.parse processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "uint.parse",
+				Params: test.params,
+			})
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err == nil {
 				t.Fatalf("uint.parse expected to fail but succeeded, got: %v", got)

internal/processor/test/uint-random_test.go

@@ -68,27 +68,34 @@ func TestUintRandomGoodConfig(t *testing.T) {
 func TestGoodUintRandom(t *testing.T) {
 
 	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		min       uint
-		max       uint
+		name    string
+		params  map[string]any
+		payload any
 	}{
 		{
 			name:    "1-10",
+			params:  map[string]any{"min": 1.0, "max": 10.0},
 			payload: "12345",
-			min:     1,
-			max:     10,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			uintRandom := processor.UintRandom{
-				Min: test.min,
-				Max: test.max,
+			registration, ok := processor.ProcessorRegistry["uint.random"]
+			if !ok {
+				t.Fatalf("uint.random processor not registered")
 			}
-			got, err := uintRandom.Process(t.Context(), test.payload)
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "uint.random",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("uint.random failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			gotUint, ok := got.(uint)
 			if !ok {
@@ -97,8 +104,16 @@ func TestGoodUintRandom(t *testing.T) {
 			if err != nil {
 				t.Fatalf("uint.random failed: %s", err)
 			}
-			if gotUint < test.min || gotUint > test.max {
-				t.Fatalf("uint.random got %d, expected between %d and %d", gotUint, test.min, test.max)
+			minNum, ok := test.params["min"].(float64)
+			if !ok {
+				t.Fatalf("uint.random test min param is not a number")
+			}
+			maxNum, ok := test.params["max"].(float64)
+			if !ok {
+				t.Fatalf("uint.random test max param is not a number")
+			}
+			if gotUint < uint(minNum) || gotUint > uint(maxNum) {
+				t.Fatalf("uint.random got %d, expected between %d and %d", gotUint, uint(minNum), uint(maxNum))
 			}
 		})
 	}