add test for http.response.create

internal/processor/test/http-response-create_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 +31,129 @@ func TestHTTPResponseCreateFromRegistry(t *testing.T) {
 		t.Fatalf("http.response.create processor has wrong type: %s", processorInstance.Type())
 	}
 }
+
+func TestGoodHTTPResponseCreate(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		expected processor.HTTPResponse
+		params   map[string]any
+		payload  any
+	}{
+		{
+			name: "simple template",
+			expected: processor.HTTPResponse{
+				Status: 200,
+				Body:   []byte("Hello, World!"),
+			},
+			params:  map[string]any{"status": 200, "bodyTemplate": "Hello, World!"},
+			payload: nil,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := processor.ProcessorRegistry["http.response.create"]
+			if !ok {
+				t.Fatalf("http.response.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "http.response.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("http.response.create failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+			if err != nil {
+				t.Fatalf("http.response.create processing failed: %s", err)
+			}
+
+			if !reflect.DeepEqual(got.Payload, test.expected) {
+				t.Fatalf("http.response.create got %+v (%T), expected %+v (%T)", got.Payload, got.Payload, test.expected, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadHTTPResponseCreate(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "missing status",
+			params:      map[string]any{"bodyTemplate": "Hello, World!"},
+			payload:     nil,
+			errorString: "http.response.create status error: not found",
+		},
+		{
+			name:        "non-number status",
+			params:      map[string]any{"status": "200", "bodyTemplate": "Hello, World!"},
+			payload:     nil,
+			errorString: "http.response.create status error: not a number",
+		},
+		{
+			name:        "missing bodyTemplate",
+			params:      map[string]any{"status": 200},
+			payload:     nil,
+			errorString: "http.response.create bodyTemplate error: not found",
+		},
+		{
+			name:        "non-string bodyTemplate",
+			params:      map[string]any{"status": 200, "bodyTemplate": 123},
+			payload:     nil,
+			errorString: "http.response.create bodyTemplate error: not a string",
+		},
+		{
+			name:        "bodyTemplate template error",
+			params:      map[string]any{"status": 200, "bodyTemplate": "{{.MissingField}}"},
+			payload:     nil,
+			errorString: "template: body:1:2: executing \"body\" at <.MissingField>: can't evaluate field MissingField in type common.WrappedPayload",
+		},
+		{
+			name:        "bodyTemplate template syntax error",
+			params:      map[string]any{"status": 200, "bodyTemplate": "{{.MissingField"},
+			payload:     nil,
+			errorString: "template: body:1: unclosed action",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := processor.ProcessorRegistry["http.response.create"]
+			if !ok {
+				t.Fatalf("http.response.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "http.response.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("http.response.create 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.response.create expected to fail but succeeded, got: %v", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("http.response.create got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}