diff --git a/internal/processor/test/http-request-do_test.go b/internal/processor/test/http-request-do_test.go
index 19e5250..93b5b93 100644
--- a/internal/processor/test/http-request-do_test.go
+++ b/internal/processor/test/http-request-do_test.go
@@ -1,8 +1,10 @@
 package processor_test
 
 import (
+	"reflect"
 	"testing"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/processor"
 )
@@ -29,3 +31,133 @@ func TestHTTPRequestCreateFromRegistry(t *testing.T) {
 		t.Fatalf("http.request.do processor has wrong type: %s", processorInstance.Type())
 	}
 }
+
+func TestGoodHTTPRequestDo(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		expected processor.NATSMessage
+		params   map[string]any
+		payload  any
+	}{}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := processor.ProcessorRegistry["http.request.do"]
+			if !ok {
+				t.Fatalf("http.request.do processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "http.request.do",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("http.request.do failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+			if err != nil {
+				t.Fatalf("http.request.do processing failed: %s", err)
+			}
+
+			if !reflect.DeepEqual(got.Payload, test.expected) {
+				t.Fatalf("http.request.do got %+v (%T), expected %+v (%T)", got.Payload, got.Payload, test.expected, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadHTTPRequestDo(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "missing method",
+			params:      map[string]any{"url": "http://example.com"},
+			payload:     nil,
+			errorString: "http.request.do method error: not found",
+		},
+		{
+			name: "method not a string",
+			params: map[string]any{
+				"method": 123,
+				"url":    "http://example.com",
+			},
+			payload:     nil,
+			errorString: "http.request.do method error: not a string",
+		},
+		{
+			name: "missing url",
+			params: map[string]any{
+				"method": "GET",
+			},
+			payload:     nil,
+			errorString: "http.request.do url error: not found",
+		},
+		{
+			name: "url not a string",
+			params: map[string]any{
+				"method": "GET",
+				"url":    123,
+			},
+			payload:     nil,
+			errorString: "http.request.do url error: not a string",
+		},
+		{
+			name: "url template error",
+			params: map[string]any{
+				"method": "GET",
+				"url":    "http://example.com/{{.Unknown}}",
+			},
+			payload:     nil,
+			errorString: "template: url:1:21: executing \"url\" at <.Unknown>: can't evaluate field Unknown in type common.WrappedPayload",
+		},
+		{
+			name: "url template syntax error",
+			params: map[string]any{
+				"method": "GET",
+				"url":    "http://example.com/{{.MissingEndBrace",
+			},
+			payload:     nil,
+			errorString: "template: url:1: unclosed action",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := processor.ProcessorRegistry["http.request.do"]
+			if !ok {
+				t.Fatalf("http.request.do processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "http.request.do",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("http.request.do got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+
+			if err == nil {
+				t.Fatalf("http.request.do expected to fail but succeeded, got: %v", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("http.request.do got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}