initial commit

internal/runtime/runtime_test.go

@@ -0,0 +1,163 @@
+package runtime
+
+import (
+	"bytes"
+	"context"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/fastschema/qjs"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"reichard.io/poiesis/internal/functions"
+)
+
+type TestArgs struct {
+	Field1 string `json:"field1"`
+}
+
+func (t TestArgs) Validate() error {
+	return nil
+}
+
+func TestExecuteTypeScript(t *testing.T) {
+	// Create Buffers
+	var stdout, stderr bytes.Buffer
+
+	// Create Runtime
+	rt, err := New(context.Background(), WithStderr(&stderr), WithStdout(&stdout))
+	assert.NoError(t, err, "Expected no error")
+
+	// Create TypeScript Code
+	tsCode := `interface Person {
+  name: string;
+  age: number;
+  email: string;
+}
+
+function greet(person: Person): string {
+  return "Hello, " + person.name + "! You are " + person.age + " years old.";
+}
+
+const user: Person = {
+  name: "Alice",
+  age: 30,
+  email: "alice@example.com",
+};
+
+console.log(greet(user));
+console.log("Email: " + user.email);
+
+function calculateSum(a: number, b: number): number {
+  return a + b;
+}
+
+console.log("Sum of 5 and 10 is: " + calculateSum(5, 10));
+`
+
+	// Create Temp File
+	tmpFile, err := os.CreateTemp("", "*.ts")
+	assert.NoError(t, err, "Failed to create temp file")
+	t.Cleanup(func() {
+		_ = os.Remove(tmpFile.Name())
+	})
+
+	// Write Code to File
+	_, err = tmpFile.WriteString(tsCode)
+	assert.NoError(t, err, "Failed to write to temp file")
+	err = tmpFile.Close()
+	assert.NoError(t, err, "Failed to close temp file")
+
+	// Run File
+	err = rt.RunFile(tmpFile.Name())
+
+	// Verify Execution
+	assert.NoError(t, err, "Expected no error")
+	assert.Empty(t, stderr.String(), "Expected no error output")
+
+	// Verify Output
+	output := stdout.String()
+	assert.Contains(t, output, "Hello, Alice!", "Should greet Alice")
+	assert.Contains(t, output, "You are 30 years old", "Should show age")
+	assert.Contains(t, output, "Email: alice@example.com", "Should show email")
+	assert.Contains(t, output, "Sum of 5 and 10 is: 15", "Should calculate sum correctly")
+
+	// Verify Line Count
+	lines := strings.Split(strings.TrimSpace(output), "\n")
+	assert.GreaterOrEqual(t, len(lines), 3, "Should have at least 3 output lines")
+}
+
+func TestAsyncFunctionResolution(t *testing.T) {
+	// Register Async Function
+	functions.RegisterAsyncFunction("resolveTest", func(_ context.Context, args TestArgs) (string, error) {
+		return "test-result", nil
+	})
+
+	// Create Runtime
+	r, err := New(context.Background())
+	require.NoError(t, err)
+
+	// Execute Async Function - Must be awaited in async context
+	result, err := r.ctx.Eval("test.js", qjs.Code(`async function run() { return await resolveTest("hello"); }; run()`))
+	require.NoError(t, err)
+	require.NotNil(t, result)
+	defer result.Free()
+
+	// Verify Result
+	assert.Equal(t, "test-result", result.String())
+}
+
+func TestAsyncFunctionRejection(t *testing.T) {
+	// Register Async Function that Returns Error
+	functions.RegisterAsyncFunction("rejectTest", func(_ context.Context, args TestArgs) (string, error) {
+		return "", assert.AnError
+	})
+
+	// Create Runtime
+	r, err := New(context.Background())
+	require.NoError(t, err)
+
+	// Execute Async Function - Rejected Promises Throw When Awaited
+	_, err = r.ctx.Eval("test.js", qjs.Code(`async function run() { return await rejectTest("hello"); }; run()`))
+	assert.Error(t, err)
+}
+
+func TestNonPromise(t *testing.T) {
+	// Register Sync Function
+	functions.RegisterFunction("nonPromiseTest", func(_ context.Context, args TestArgs) (string, error) {
+		return "sync-result", nil
+	})
+
+	// Create Runtime
+	r, err := New(context.Background())
+	assert.NoError(t, err)
+
+	// Execute Sync Function
+	result, err := r.ctx.Eval("test.js", qjs.Code(`nonPromiseTest("hello")`))
+	assert.NoError(t, err)
+	defer result.Free()
+
+	// Verify Result
+	assert.Equal(t, "sync-result", result.String())
+}
+
+func TestGetTypeDeclarations(t *testing.T) {
+	// Register Function
+	functions.RegisterFunction("testFunc", func(_ context.Context, args TestArgs) (string, error) {
+		return "result", nil
+	})
+
+	// Create Runtime
+	r, err := New(context.Background())
+	require.NoError(t, err)
+
+	// Get Type Declarations
+	decls := r.GetTypeDeclarations()
+
+	// Verify Declarations
+	assert.Contains(t, decls, "interface TestArgs")
+	assert.Contains(t, decls, "declare function testFunc")
+	assert.Contains(t, decls, "field1: string")
+}