diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..608d3c6
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,15 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Launch Package",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${fileDirname}"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/condition.go b/condition.go
new file mode 100644
index 0000000..c2e840a
--- /dev/null
+++ b/condition.go
@@ -0,0 +1,116 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/dop251/goja"
+)
+
+type Condition struct {
+	Name        string `yaml:"name"`
+	Description string `yaml:"description"`
+	Check       string `yaml:"check"`
+	True        *struct {
+		Description string `yaml:"description"`
+		Action      string `yaml:"action"`
+		Next        string `yaml:"next"`
+		Terminate   bool   `yaml:"terminate"`
+	} `yaml:"true"`
+	False *struct {
+		Description string `yaml:"description"`
+		Action      string `yaml:"action"`
+		Next        string `yaml:"next"`
+		Terminate   bool   `yaml:"terminate"`
+	} `yaml:"false"`
+}
+
+// Run the conditions recursively
+func (rr *RulesRunner[Context]) runCondition(vm *goja.Runtime, rules *Rules, condition *Condition) error {
+	fmt.Print("Running condition: ", condition.Name, "\n")
+
+	// Evaluate the check function
+	checkFunc, ok := goja.AssertFunction(vm.Get(condition.Name))
+	if !ok {
+		return fmt.Errorf("check function not found: %s", condition.Name)
+	}
+	checkResult, err := checkFunc(goja.Undefined())
+	if err != nil {
+		return fmt.Errorf("error evaluating check function %s: %v", condition.Name, err)
+	}
+
+	if checkResult.ToBoolean() { // If check was true
+		if condition.True != nil {
+			fmt.Print("\tRunning TRUE check: ", condition.True.Description, "\n")
+			if condition.True.Action != "" {
+				// Run the action function
+				actionFuncName := condition.Name + "_true"
+				fmt.Print("\t\tRunning action function: ", actionFuncName, "\n")
+				actionFunc, ok := goja.AssertFunction(vm.Get(actionFuncName))
+				if !ok {
+					return fmt.Errorf("action function not found: %s", actionFuncName)
+				}
+				_, err := actionFunc(goja.Undefined())
+				if err != nil {
+					return fmt.Errorf("error running action function: %v", err)
+				}
+			}
+			if condition.True.Next != "" {
+				nextCondition, err := findConditionByName(rules, condition.True.Next)
+				if err != nil {
+					return fmt.Errorf("unexpected error: condition '%s' not found", condition.True.Next)
+				}
+				err = rr.runCondition(vm, rules, nextCondition)
+				if err != nil {
+					return fmt.Errorf("error while running condition '%s': %v", condition.True.Next, err)
+				}
+			}
+			if condition.True.Terminate {
+				fmt.Print("Terminating\n")
+				return nil
+			}
+		}
+	} else { // if check was false
+		if condition.False != nil {
+			fmt.Print("\tRunning FALSE check: ", condition.False.Description, "\n")
+			if condition.False.Action != "" {
+				// Run the action function
+				actionFuncName := condition.Name + "_false"
+				fmt.Print("\t\tRunning action function: ", actionFuncName, "\n")
+				actionFunc, ok := goja.AssertFunction(vm.Get(actionFuncName))
+				if !ok {
+					return fmt.Errorf("action function not found: %s", actionFuncName)
+				}
+				_, err := actionFunc(goja.Undefined())
+				if err != nil {
+					return fmt.Errorf("error running action function: %v", err)
+				}
+			}
+			if condition.False.Next != "" {
+				nextCondition, err := findConditionByName(rules, condition.False.Next)
+				if err != nil {
+					return fmt.Errorf("unexpected error: condition '%s' not found", condition.False.Next)
+				}
+
+				err = rr.runCondition(vm, rules, nextCondition)
+				if err != nil {
+					return fmt.Errorf("error while running condition '%s': %v", condition.False.Next, err)
+				}
+			}
+			if condition.False.Terminate {
+				fmt.Print("Terminating\n")
+				return nil
+			}
+		}
+	}
+
+	return nil // return from runCondition
+}
+
+func findConditionByName(rule *Rules, name string) (*Condition, error) {
+	for _, condition := range rule.Conditions {
+		if condition.Name == name {
+			return &condition, nil
+		}
+	}
+	return nil, fmt.Errorf("Condition not found: %s", name)
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..1f9ca6d
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,19 @@
+module yabre
+
+go 1.22.2
+
+require (
+	github.com/dop251/goja v0.0.0-20240220182346-e401ed450204
+	gopkg.in/yaml.v2 v2.4.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dlclark/regexp2 v1.7.0 // indirect
+	github.com/go-sourcemap/sourcemap v2.1.3+incompatible // indirect
+	github.com/google/pprof v0.0.0-20230207041349-798e818bf904 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/stretchr/testify v1.9.0 // indirect
+	golang.org/x/text v0.3.8 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..ab30efd
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,69 @@
+github.com/chzyer/logex v1.2.0/go.mod h1:9+9sk7u7pGNWYMkh0hdiL++6OeibzJccyQU4p4MedaY=
+github.com/chzyer/readline v1.5.0/go.mod h1:x22KAscuvRqlLoK9CsoYsmxoXZMMFVyOl86cAH8qUic=
+github.com/chzyer/test v0.0.0-20210722231415-061457976a23/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
+github.com/dlclark/regexp2 v1.7.0 h1:7lJfhqlPssTb1WQx4yvTHN0uElPEv52sbaECrAQxjAo=
+github.com/dlclark/regexp2 v1.7.0/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
+github.com/dop251/goja v0.0.0-20211022113120-dc8c55024d06/go.mod h1:R9ET47fwRVRPZnOGvHxxhuZcbrMCuiqOz3Rlrh4KSnk=
+github.com/dop251/goja v0.0.0-20240220182346-e401ed450204 h1:O7I1iuzEA7SG+dK8ocOBSlYAA9jBUmCYl/Qa7ey7JAM=
+github.com/dop251/goja v0.0.0-20240220182346-e401ed450204/go.mod h1:QMWlm50DNe14hD7t24KEqZuUdC9sOTy8W6XbCU1mlw4=
+github.com/dop251/goja_nodejs v0.0.0-20210225215109-d91c329300e7/go.mod h1:hn7BA7c8pLvoGndExHudxTDKZ84Pyvv+90pbBjbTz0Y=
+github.com/dop251/goja_nodejs v0.0.0-20211022123610-8dd9abb0616d/go.mod h1:DngW8aVqWbuLRMHItjPUyqdj+HWPvnQe8V8y1nDpIbM=
+github.com/go-sourcemap/sourcemap v2.1.3+incompatible h1:W1iEw64niKVGogNgBN3ePyLFfuisuzeidWPMPWmECqU=
+github.com/go-sourcemap/sourcemap v2.1.3+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg=
+github.com/google/pprof v0.0.0-20230207041349-798e818bf904 h1:4/hN5RUoecvl+RmJRE2YxKWtnnQls6rQjjW5oV7qg2U=
+github.com/google/pprof v0.0.0-20230207041349-798e818bf904/go.mod h1:uglQLonpP8qtYCYyzA+8c/9qtqgA3qsXGYqCPKARAFg=
+github.com/ianlancetaylor/demangle v0.0.0-20220319035150-800ac71e25c2/go.mod h1:aYm2/VgdVmcIU8iMfdMvDMsRAQjcfZSKFby6HOFvi/w=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
+github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
+github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rogpeppe/go-internal v1.6.1 h1:/FiVV8dS/e+YqF2JvO3yXRFbBLTIuSDkuC7aBOAvL+k=
+github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.3.8 h1:nAL+RVCQ9uMn3vJZbV+MRnydTJFPf8qqY42YiA6MrqY=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
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+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/rules.go b/rules.go
new file mode 100644
index 0000000..96a33d7
--- /dev/null
+++ b/rules.go
@@ -0,0 +1,101 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/dop251/goja"
+	"gopkg.in/yaml.v2"
+)
+
+type Rules struct {
+	Conditions map[string]Condition `yaml:"conditions"`
+}
+
+func (rr *RulesRunner[Context]) RunRules(context *Context, startCondition string) (*Context, error) {
+	rules := rr.Rules
+	vm := goja.New()
+
+	// Add context to vm
+	vm.Set("context", *context)
+
+	// Add debug function to vm
+	if rr.DebugCallback != nil {
+		vm.Set("debug", rr.DebugCallback)
+	}
+
+	// Add go functions to vm
+	if rr.GoFunctions != nil {
+		for name, f := range rr.GoFunctions {
+			vm.Set(name, f)
+		}
+	}
+
+	// Add all js functions to the vm
+	err := rr.addJsFunctions(vm)
+	if err != nil {
+		return nil, err
+	}
+
+	// Start running the conditions from the first condition
+	condition, err := findConditionByName(rules, startCondition)
+	if err != nil {
+		return nil, err
+	}
+
+	// Start running the conditions from the first condition
+	err = rr.runCondition(vm, rules, condition)
+
+	// Get the updated context
+	*context = vm.Get("context").ToObject(vm).Export().(Context)
+
+	return context, err
+}
+
+func (rr *RulesRunner[Context]) loadRulesFromYaml(fileName string) (*Rules, error) {
+	yamlFile, err := os.ReadFile(fileName)
+	if err != nil {
+		return nil, fmt.Errorf("error reading YAML file: %v", err)
+	}
+
+	// Parse the YAML into a Rule struct
+	var rules Rules
+	err = yaml.Unmarshal(yamlFile, &rules)
+	if err != nil {
+		return nil, fmt.Errorf("error parsing YAML: %v", err)
+	}
+
+	// add names to conditions from the Rule map
+	for name, condition := range rules.Conditions {
+		condition.Name = name
+		rules.Conditions[name] = condition
+	}
+
+	return &rules, nil
+}
+
+func (rr *RulesRunner[Context]) addJsFunctions(vm *goja.Runtime) error {
+	// add all js functions to the vm
+	for _, condition := range rr.Rules.Conditions {
+		if condition.Check != "" {
+			_, err := vm.RunString(condition.Check)
+			if err != nil {
+				return fmt.Errorf("error injecting check function into vm: %v", err)
+			}
+		}
+		if condition.True != nil && condition.True.Action != "" {
+			_, err := vm.RunString(condition.True.Action)
+			if err != nil {
+				return fmt.Errorf("error injecting action function into vm: %v", err)
+			}
+		}
+		if condition.False != nil && condition.False.Action != "" {
+			_, err := vm.RunString(condition.False.Action)
+			if err != nil {
+				return fmt.Errorf("error injecting action function into vm: %v", err)
+			}
+		}
+	}
+
+	return nil
+}
diff --git a/runner.go b/runner.go
new file mode 100644
index 0000000..96206b3
--- /dev/null
+++ b/runner.go
@@ -0,0 +1,44 @@
+package main
+
+type RulesRunner[Context interface{}] struct {
+	Rules         *Rules
+	Context       *Context
+	DebugCallback func(Context, interface{})
+	GoFunctions   map[string]func(...interface{}) (interface{}, error)
+}
+
+type WithOption[Context interface{}] func(*RulesRunner[Context])
+
+// WithDebugCallback sets the DebugCallback option
+func WithDebugCallback[Context interface{}](callback func(Context, interface{})) WithOption[Context] {
+	return func(runner *RulesRunner[Context]) {
+		runner.DebugCallback = callback
+	}
+}
+
+func WithGoFunction[Context interface{}](name string, f func(...interface{}) (interface{}, error)) WithOption[Context] {
+	return func(runner *RulesRunner[Context]) {
+		if runner.GoFunctions == nil {
+			runner.GoFunctions = make(map[string]func(...interface{}) (interface{}, error))
+		}
+		runner.GoFunctions[name] = f
+	}
+}
+
+func NewRulesRunnerFromYaml[Context interface{}](fileName string, context *Context, options ...WithOption[Context]) (*RulesRunner[Context], error) {
+	rr := &RulesRunner[Context]{Context: context}
+
+	// Execute options
+	for _, op := range options {
+		op(rr)
+	}
+
+	// Load the rules from the YAML file
+	rules, err := rr.loadRulesFromYaml(fileName)
+	if err != nil {
+		return nil, err
+	}
+	rr.Rules = rules
+
+	return rr, nil
+}
diff --git a/runner_test.go b/runner_test.go
new file mode 100644
index 0000000..2c5e3b8
--- /dev/null
+++ b/runner_test.go
@@ -0,0 +1,113 @@
+package main
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type Product struct {
+	Ref          int    `json:"ref"`
+	Rank         int    `json:"rank"`
+	OrderItemRef int    `json:"orderItemRef"`
+	ProductType  string `json:"productType"`
+	Amount       int    `json:"amount"`
+	State        string `json:"state"`
+}
+
+type OrderItem struct {
+	Ref           int    `json:"ref"`
+	Rank          int    `json:"rank"`
+	ProductType   string `json:"productType"`
+	Amount        int    `json:"amount"`
+	Concentration int    `json:"concentration"`
+	Solvant       string `json:"solvant"`
+	OrderType     string `json:"orderType"`
+	State         string `json:"state"`
+}
+
+type Container struct {
+	Amount int `json:"amount"`
+}
+
+type RecipeContext struct {
+	Container  Container   `json:"container"`
+	OrderItems []OrderItem `json:"orderItems"`
+	Products   []Product   `json:"products"`
+}
+
+func TestRunnerGoFunctions(t *testing.T) {
+	type TestContext struct{}
+	var debugMessage string
+	context := TestContext{}
+
+	add := func(args ...interface{}) (interface{}, error) {
+		res := int64(0)
+		for _, arg := range args {
+			res += arg.(int64)
+		}
+		return res, nil
+	}
+
+	runner, err := NewRulesRunnerFromYaml("test/go_rules.yaml", &context,
+		WithDebugCallback(
+			func(ctx TestContext, data interface{}) {
+				debugMessage = fmt.Sprintf("%v", data)
+			}),
+		WithGoFunction[TestContext]("add", add))
+	assert.NoError(t, err)
+
+	_, err = runner.RunRules(&context, "check_debug")
+	assert.NoError(t, err)
+
+	assert.Equal(t, "Go function result: 5", debugMessage)
+}
+
+func TestRunnerUpdateContext(t *testing.T) {
+	type TestContext struct{ Value string }
+	context := TestContext{Value: "Initial"}
+
+	runner, err := NewRulesRunnerFromYaml("test/update_context.yaml", &context)
+	assert.NoError(t, err)
+
+	updatedContext, err := runner.RunRules(&context, "check_update_context")
+	assert.NoError(t, err)
+
+	assert.Equal(t, "Updated", updatedContext.Value)
+}
+
+func TestRunner(t *testing.T) {
+	// Create a sample context
+	context := RecipeContext{
+		Container: Container{Amount: 2100},
+		OrderItems: []OrderItem{
+			{Ref: 1, Rank: 1, ProductType: "powder", Amount: 300, Concentration: 10, Solvant: "water", OrderType: "primary", State: "pending"},
+			{Ref: 2, Rank: 2, ProductType: "solution", Amount: 500, Concentration: 10, Solvant: "water", OrderType: "primary", State: "pending"},
+			{Ref: 3, Rank: 3, ProductType: "solution", Amount: 300, Concentration: 10, Solvant: "water", OrderType: "early", State: "pending"},
+		},
+		Products: []Product{},
+	}
+
+	var debugData interface{}
+
+	runner, err := NewRulesRunnerFromYaml("test/aliquoting_rules.yaml", &context, WithDebugCallback(
+		func(ctx RecipeContext, data interface{}) {
+			debugData = data
+		}))
+	assert.NoError(t, err)
+
+	// Run the rules
+	updatedContext, err := runner.RunRules(&context, "check_powder_protocols")
+	assert.NoError(t, err)
+	assert.NotNil(t, updatedContext)
+
+	// check debug string
+	debugString, ok := debugData.(string)
+
+	assert.True(t, ok)
+	assert.Equal(t, "I'm in check_powder_protocols", debugString)
+
+	// Check the updated context
+	assert.Equal(t, 2, len(updatedContext.Products))
+}
diff --git a/test/aliquoting_rules.yaml b/test/aliquoting_rules.yaml
new file mode 100644
index 0000000..caf4492
--- /dev/null
+++ b/test/aliquoting_rules.yaml
@@ -0,0 +1,214 @@
+conditions:
+  check_powder_protocols:
+    description: Check if there are any powder protocols among the products.
+    check: |
+      function check_powder_protocols() {
+        if (debug) ( debug(context, "I'm in check_powder_protocols") )
+        return context.OrderItems.find(p => p.ProductType === 'powder') !== undefined;
+      }
+    true:
+      description: Fail all powder products and their corresponding order items.
+      action: |
+        function check_powder_protocols_true() {
+          const powderOrderItems = context.OrderItems.filter(p => p.ProductType === 'powder');
+          powderOrderItems.forEach(p => {
+            p.State = 'fail';
+            const orderItem = context.OrderItems.find(oi => oi.Ref === p.OrderItemRef);
+            if (orderItem) {
+              orderItem.State = 'fail';
+            }
+          });
+        }
+      next: check_mixed_solvents
+    false:
+      next: check_mixed_solvents
+  check_mixed_solvents:
+    description: Check if there are mixed solvents or concentrations among the solution order items.
+    check: |
+      function check_mixed_solvents() {
+        const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+        const primaryOrderItem = pendingOrderItems.find(oi => oi.OrderType === 'primary');
+        const earlySolutionOrderItems = pendingOrderItems.filter(oi => oi.OrderType !== 'primary' && oi.ProductType === 'solution');
+        return earlySolutionOrderItems.find(oi => oi.Solvant !== primaryOrderItem.Solvant || oi.Concentration !== primaryOrderItem.Concentration) !== undefined;
+      }
+    true:
+      description: Fail order items and products with mixed solvents or concentrations.
+      action: |
+        function check_mixed_solvents_true() {
+          const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+          const primaryOrderItem = pendingOrderItems.find(oi => oi.OrderType === 'primary');
+          const failedOrderItems = pendingOrderItems.filter(oi => oi.OrderType !== 'primary' && (oi.Solvant !== primaryOrderItem.Solvant || oi.Concentration !== primaryOrderItem.Concentration));
+          failedOrderItems.forEach(oi => oi.State = 'fail');
+          const failedProducts = context.Products.filter(p => failedOrderItems.find(oi => oi.Ref === p.OrderItemRef) !== undefined);
+          failedProducts.forEach(p => p.State = 'fail');
+        }
+      next: check_overflow
+    false:
+      next: check_overflow
+  check_overflow:
+    description: Check if the total required amount exceeds the container amount.
+    check: |
+      function check_overflow() {
+        const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+        const totalRequiredAmount = pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+        return totalRequiredAmount > context.Container.Amount;
+      }
+    true:
+      description: Fail all products and order items due to container overflow.
+      action: |
+        function check_overflow_true() {
+          context.Products.forEach(p => p.State = 'fail');
+          context.OrderItems.forEach(oi => oi.State = 'fail');
+        }
+      terminate: true
+    false:
+      next: check_amount_less_than_required
+  check_amount_less_than_required:
+    description: Check if the actual amount is less than the required amount.
+    check: |
+      function check_amount_less_than_required() {
+        const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+        const totalRequiredAmount = pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+        const diff = context.Container.Amount - totalRequiredAmount;
+        return diff < 0;
+      }
+    true:
+      description: Fail the lowest-ranked order items and their corresponding products until the remaining amount can be fulfilled.
+      action: |
+        function check_amount_less_than_required_true() {
+          const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+          const totalRequiredAmount = pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+          const diff = context.Container.Amount - totalRequiredAmount;
+          const sortedOrderItems = pendingOrderItems.sort((a, b) => a.Ranking - b.Ranking);
+          let remainingAmount = -diff;
+          for (const orderItem of sortedOrderItems) {
+            if (remainingAmount >= orderItem.Amount) {
+              remainingAmount -= orderItem.Amount;
+              orderItem.State = 'fail';
+            } else {
+              break;
+            }
+          }
+        }
+      # After failing some order items, we might have a certain amount left over 
+      # It might be less than required by any failed order item, but still usable for a spare
+      next: check_leftovers 
+    false:
+      next: check_amount_equal_to_required
+  check_amount_equal_to_required:
+    description: Check if the actual amount is equal to the required amount.
+    check: |
+      function check_amount_equal_to_required() {
+        const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+        const totalRequiredAmount = pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+        const diff = context.Container.Amount - totalRequiredAmount;
+        return diff === 0;
+      }
+    true:
+      terminate: true
+    false:
+      next: check_amount_more_than_required
+  check_amount_more_than_required:
+    description: Check if the actual amount is more than the required amount.
+    check: |
+      function check_amount_more_than_required() {
+        const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+        const totalRequiredAmount = pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+        return context.Container.Amount - totalRequiredAmount > 0;
+      }
+    true:
+      next: check_remainder_less_than_50
+    false:
+      terminate: true
+  check_leftovers:
+    description: Check if there are any non-consumed leftovers.
+    check: |
+      function check_leftovers() {
+        const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+        return context.Container.Amount > pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+      }
+    true:
+      next: check_remainder_less_than_50
+    false:
+      terminate: true
+  check_remainder_less_than_50:
+    description: Check if the remainder is less than 50 μl.
+    check: |
+      function check_remainder_less_than_50() {
+        const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+        const totalRequiredAmount = pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+        const remainder = context.Container.Amount - totalRequiredAmount;
+        return remainder < 50;
+      }
+    true:
+      terminate: true
+    false:
+      next: check_remainder_between_50_and_950
+  check_remainder_between_50_and_950:
+    description: Check if the remainder is between 50 μl and 950 μl.
+    check: |
+      function check_remainder_between_50_and_950() {
+        const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+        const totalRequiredAmount = pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+        const remainder = context.Container.Amount - totalRequiredAmount;
+        return remainder >= 50 && remainder < 950;
+      }
+    true:
+      description: Create a spare tube with the remaining amount.
+      action: |
+        function check_remainder_between_50_and_950_true() {
+          const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+          const remainder = context.Container.Amount - pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+          const newProduct = {
+            Ref: context.Products.length + 1,
+            OrderItemRef: null,
+            ProductType: 'solution',
+            Amount: remainder,
+            State: 'pending'
+          };
+          context.Products.push(newProduct);
+        }
+      terminate: true
+    false:
+      next: check_remainder_between_950_and_1800
+  check_remainder_between_950_and_1800:
+    description: Check if the remainder is between 950 μl and 1800 μl.
+    check: |
+      function check_remainder_between_950_and_1800() {
+        const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+        const totalRequiredAmount = pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+        const remainder = context.Container.Amount - totalRequiredAmount;
+        return remainder >= 950 && remainder <= 1800;
+      }
+    true:
+      description: Create two spare tubes, one with 900 μl and another with the remaining amount.
+      action: |
+        function check_remainder_between_950_and_1800_true() {
+          const pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+          const remainder = context.Container.Amount - pendingOrderItems.reduce((sum, oi) => sum + oi.Amount, 0);
+          const newProduct1 = {
+            Ref: context.Products.length + 1,
+            OrderItemRef: null,
+            ProductType: 'solution',
+            Amount: 900,
+            State: 'pending'
+          };
+          const newProduct2 = {
+            Ref: context.Products.length + 2,
+            OrderItemRef: null,
+            ProductType: 'solution',
+            Amount: remainder - 900,
+            State: 'pending'
+          };
+          context.Products.push(newProduct1, newProduct2);
+        }
+      terminate: true
+    false:
+      description: Fail all order items with comment
+      action: |
+        function check_remainder_between_950_and_1800_false() {
+          pendingOrderItems = context.OrderItems.filter(oi => oi.State === 'pending');
+          pendingOrderItems.forEach(ppi => ppi.State = "fail")
+          context.Products = []
+        }
+      terminate: true
\ No newline at end of file
diff --git a/test/go_rules.yaml b/test/go_rules.yaml
new file mode 100644
index 0000000..0c8f2a4
--- /dev/null
+++ b/test/go_rules.yaml
@@ -0,0 +1,15 @@
+conditions:
+  check_debug:
+    description: Check if debug function is called
+    check: |
+      function check_debug() {
+        return true;
+      }
+    true:
+      description: Call injected Go function
+      action: |
+        function check_debug_true() {
+          const result = add(2, 3);
+          debug(context, "Go function result: " + result);
+        }
+      terminate: true
\ No newline at end of file
diff --git a/test/update_context.yaml b/test/update_context.yaml
new file mode 100644
index 0000000..de090ef
--- /dev/null
+++ b/test/update_context.yaml
@@ -0,0 +1,14 @@
+conditions:
+  check_update_context:
+    description: Check if context can be updated
+    check: |
+      function check_update_context() {
+        return true;
+      }
+    true:
+      description: Update the context
+      action: |
+        function check_update_context_true() {
+          context.Value = "Updated";
+        }
+      terminate: true
\ No newline at end of file