Add custom actions with golang interpreter

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

agent/actions_custom_test.go

@@ -0,0 +1,87 @@
+package agent_test
+
+import (
+	"context"
+
+	"github.com/mudler/local-agent-framework/action"
+	. "github.com/mudler/local-agent-framework/agent"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+
+	"github.com/sashabaranov/go-openai/jsonschema"
+)
+
+var _ = Describe("Agent custom action", func() {
+	Context("custom action", func() {
+		It("initializes correctly", func() {
+
+			testCode := `
+
+import (
+	"encoding/json"
+)
+type Params struct {
+	Foo string
+}
+
+func Run(config map[string]interface{}) (string, error) {
+
+p := Params{}
+b, err := json.Marshal(config)
+	if err != nil {
+		return "", err
+	}
+if err := json.Unmarshal(b, &p); err != nil {
+	return "", err
+}
+
+return p.Foo, nil
+}
+
+func Definition() map[string][]string {
+return map[string][]string{
+	"foo": []string{
+		"string",
+		"The foo value",
+		},
+	}
+}
+
+func RequiredFields() []string {
+return []string{"foo"}
+}
+
+			`
+
+			customAction, err := NewCustom(
+				map[string]string{
+					"code":        testCode,
+					"name":        "test",
+					"description": "A test action",
+				},
+				"",
+			)
+			Expect(err).ToNot(HaveOccurred())
+
+			definition := customAction.Definition()
+			Expect(definition).To(Equal(action.ActionDefinition{
+				Properties: map[string]jsonschema.Definition{
+					"foo": {
+						Type:        jsonschema.String,
+						Description: "The foo value",
+					},
+				},
+				Required:    []string{"foo"},
+				Name:        "test",
+				Description: "A test action",
+			}))
+
+			runResult, err := customAction.Run(context.Background(), action.ActionParams{
+				"Foo": "bar",
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(runResult).To(Equal("bar"))
+
+		})
+	})
+})