xgo/script/script_test.go

80 lines
2 KiB
Go

package script_test
import (
"errors"
"testing"
"github.com/d5/tengo/assert"
"github.com/d5/tengo/script"
)
func TestScript_Add(t *testing.T) {
s := script.New([]byte(`a := b`))
assert.NoError(t, s.Add("b", 5)) // b = 5
assert.NoError(t, s.Add("b", "foo")) // b = "foo" (re-define before compilation)
c, err := s.Compile()
assert.NoError(t, err)
assert.NoError(t, c.Run())
assert.Equal(t, "foo", c.Get("a").Value())
assert.Equal(t, "foo", c.Get("b").Value())
}
func TestScript_Remove(t *testing.T) {
s := script.New([]byte(`a := b`))
err := s.Add("b", 5)
assert.NoError(t, err)
assert.True(t, s.Remove("b")) // b is removed
_, err = s.Compile() // should not compile because b is undefined
assert.Error(t, err)
}
func TestScript_Run(t *testing.T) {
s := script.New([]byte(`a := b`))
err := s.Add("b", 5)
assert.NoError(t, err)
c, err := s.Run()
assert.NoError(t, err)
assert.NotNil(t, c)
compiledGet(t, c, "a", int64(5))
}
func TestScript_DisableBuiltinFunction(t *testing.T) {
s := script.New([]byte(`a := len([1, 2, 3])`))
c, err := s.Run()
assert.NoError(t, err)
assert.NotNil(t, c)
compiledGet(t, c, "a", int64(3))
s.DisableBuiltinFunction("len")
_, err = s.Run()
assert.Error(t, err)
}
func TestScript_DisableStdModule(t *testing.T) {
s := script.New([]byte(`math := import("math"); a := math.abs(-19.84)`))
c, err := s.Run()
assert.NoError(t, err)
assert.NotNil(t, c)
compiledGet(t, c, "a", 19.84)
s.DisableStdModule("math")
_, err = s.Run()
assert.Error(t, err)
}
func TestScript_SetUserModuleLoader(t *testing.T) {
s := script.New([]byte(`math := import("mod1"); a := math.foo()`))
_, err := s.Run()
assert.Error(t, err)
s.SetUserModuleLoader(func(moduleName string) (res []byte, err error) {
if moduleName == "mod1" {
res = []byte(`foo := func() { return 5 }`)
return
}
err = errors.New("module not found")
return
})
c, err := s.Run()
assert.NoError(t, err)
assert.NotNil(t, c)
compiledGet(t, c, "a", int64(5))
}