add tests for db and kv processors

internal/processor/test/kv-get_test.go

@@ -0,0 +1,178 @@
+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"
+)
+
+func TestKvGetFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["kv.get"]
+	if !ok {
+		t.Fatalf("kv.get processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "kv.get",
+		Params: map[string]any{
+			"module": "test",
+			"key":    "test",
+		},
+	})
+	if err != nil {
+		t.Fatalf("failed to create kv.get processor: %s", err)
+	}
+
+	if processorInstance.Type() != "kv.get" {
+		t.Fatalf("kv.get processor has wrong type: %s", processorInstance.Type())
+	}
+
+	payload := "hello"
+	expected := "test"
+
+	got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(GetTestContext(t.Context()), payload))
+	if err != nil {
+		t.Fatalf("kv.get processing failed: %s", err)
+	}
+
+	if got.Payload != expected {
+		t.Fatalf("kv.get got %+v, expected %+v", got.Payload, expected)
+	}
+}
+
+func TestGoodKvGet(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		params   map[string]any
+		payload  any
+		expected any
+	}{
+		{
+			name: "basic value",
+			params: map[string]any{
+				"module": "test",
+				"key":    "test",
+				"value":  "hello",
+			},
+			payload:  "hello",
+			expected: "test",
+		},
+		{
+			name: "template value",
+			params: map[string]any{
+				"module": "test",
+				"key":    "test",
+				"value":  "{{.Payload}}",
+			},
+			payload:  "hello",
+			expected: "test",
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["kv.get"]
+			if !ok {
+				t.Fatalf("kv.get processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "kv.get",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("kv.get failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(GetTestContext(t.Context()), test.payload))
+
+			if err != nil {
+				t.Fatalf("kv.get processing failed: %s", err)
+			}
+
+			if !reflect.DeepEqual(got.Payload, test.expected) {
+				t.Fatalf("kv.get got payload: %+v, expected %+v", got.Payload, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadKvGet(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name:    "no module param",
+			payload: TestStruct{Data: "hello"},
+			params: map[string]any{
+				"key": "test",
+			},
+			errorString: "kv.get module error: not found",
+		},
+		{
+			name:    "non string module",
+			payload: TestStruct{Data: "hello"},
+			params: map[string]any{
+				"module": 1,
+				"key":    "test",
+			},
+			errorString: "kv.get module error: not a string",
+		},
+		{
+			name:    "no key param",
+			payload: TestStruct{Data: "hello"},
+			params: map[string]any{
+				"module": "test",
+			},
+			errorString: "kv.get key error: not found",
+		},
+		{
+			name:    "non string key",
+			payload: TestStruct{Data: "hello"},
+			params: map[string]any{
+				"module": "test",
+				"key":    1,
+			},
+			errorString: "kv.get key error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := processor.ProcessorRegistry["kv.get"]
+			if !ok {
+				t.Fatalf("kv.get processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "kv.get",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("kv.get got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(GetTestContext(t.Context()), test.payload))
+
+			if err == nil {
+				t.Fatalf("kv.get expected to fail but got payload: %+v", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("kv.get got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}