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sourcemap_test.go
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sourcemap_test.go
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package otto
import (
"errors"
"testing"
"github.com/stretchr/testify/require"
)
const (
testSourcemapCodeOriginal = "function functionA(argA, argB) {\n functionB(argA, argB);\n}\n\nfunction functionB(argA, argB) {\n functionExternal(argA, argB);\n}"
testSourcemapCodeMangled = "function functionA(argA,argB){functionB(argA,argB)}function functionB(argA,argB){functionExternal(argA,argB)}"
testSourcemapContent = `{"version":3,"sources":["hello.js"],"names":["functionA","argA","argB","functionB","functionExternal"],"mappings":"AAAA,QAASA,WAAUC,KAAMC,MACvBC,UAAUF,KAAMC,MAGlB,QAASC,WAAUF,KAAMC,MACvBE,iBAAiBH,KAAMC"}`
testSourcemapInline = "function functionA(argA,argB){functionB(argA,argB)}function functionB(argA,argB){functionExternal(argA,argB)}\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbImhlbGxvLmpzIl0sIm5hbWVzIjpbImZ1bmN0aW9uQSIsImFyZ0EiLCJhcmdCIiwiZnVuY3Rpb25CIiwiZnVuY3Rpb25FeHRlcm5hbCJdLCJtYXBwaW5ncyI6IkFBQUEsUUFBU0EsV0FBVUMsS0FBTUMsTUFDdkJDLFVBQVVGLEtBQU1DLE1BR2xCLFFBQVNDLFdBQVVGLEtBQU1DLE1BQ3ZCRSxpQkFBaUJILEtBQU1DIn0="
testSourcemapOriginalStack = "ReferenceError: 'functionExternal' is not defined\n at functionB (hello.js:6:3)\n at functionA (hello.js:2:3)\n at <anonymous>:1:1\n"
testSourcemapMangledStack = "ReferenceError: 'functionExternal' is not defined\n at functionB (hello.js:1:82)\n at functionA (hello.js:1:31)\n at <anonymous>:1:1\n"
testSourcemapMappedStack = "ReferenceError: 'functionExternal' is not defined\n at functionB (hello.js:6:2)\n at functionA (hello.js:2:2)\n at <anonymous>:1:1\n"
)
func TestSourceMapOriginalWithNoSourcemap(t *testing.T) {
tt(t, func() {
vm := New()
s, err := vm.Compile("hello.js", testSourcemapCodeOriginal)
require.NoError(t, err)
_, err = vm.Run(s)
require.NoError(t, err)
_, err = vm.Run(`functionA()`)
require.Error(t, err)
var oerr *Error
require.True(t, errors.As(err, &oerr))
require.Equal(t, oerr.String(), testSourcemapOriginalStack)
})
}
func TestSourceMapMangledWithNoSourcemap(t *testing.T) {
tt(t, func() {
vm := New()
s, err := vm.Compile("hello.js", testSourcemapCodeMangled)
require.NoError(t, err)
_, err = vm.Run(s)
require.NoError(t, err)
_, err = vm.Run(`functionA()`)
require.Error(t, err)
var oerr *Error
require.True(t, errors.As(err, &oerr))
require.Equal(t, oerr.String(), testSourcemapMangledStack)
})
}
func TestSourceMapMangledWithSourcemap(t *testing.T) {
tt(t, func() {
vm := New()
s, err := vm.CompileWithSourceMap("hello.js", testSourcemapCodeMangled, testSourcemapContent)
require.NoError(t, err)
_, err = vm.Run(s)
require.NoError(t, err)
_, err = vm.Run(`functionA()`)
require.Error(t, err)
var oerr *Error
require.True(t, errors.As(err, &oerr))
require.Equal(t, oerr.String(), testSourcemapMappedStack)
})
}
func TestSourceMapMangledWithInlineSourcemap(t *testing.T) {
tt(t, func() {
vm := New()
s, err := vm.CompileWithSourceMap("hello.js", testSourcemapInline, nil)
require.NoError(t, err)
_, err = vm.Run(s)
require.NoError(t, err)
_, err = vm.Run(`functionA()`)
require.Error(t, err)
var oerr *Error
require.True(t, errors.As(err, &oerr))
require.Equal(t, oerr.String(), testSourcemapMappedStack)
})
}
func TestSourceMapContextPosition(t *testing.T) {
tt(t, func() {
vm := New()
s, err := vm.CompileWithSourceMap("hello.js", testSourcemapCodeMangled, testSourcemapContent)
require.NoError(t, err)
_, err = vm.Run(s)
require.NoError(t, err)
err = vm.Set("functionExternal", func(c FunctionCall) Value {
ctx := c.Otto.Context()
is(ctx.Filename, "hello.js")
is(ctx.Line, 6)
is(ctx.Column, 2)
return UndefinedValue()
})
require.NoError(t, err)
_, err = vm.Run(`functionA()`)
require.NoError(t, err)
})
}
func TestSourceMapContextStacktrace(t *testing.T) {
tt(t, func() {
vm := New()
s, err := vm.CompileWithSourceMap("hello.js", testSourcemapCodeMangled, testSourcemapContent)
require.NoError(t, err)
_, err = vm.Run(s)
require.NoError(t, err)
err = vm.Set("functionExternal", func(c FunctionCall) Value {
ctx := c.Otto.Context()
is(ctx.Stacktrace, []string{
"functionB (hello.js:6:2)",
"functionA (hello.js:2:2)",
"<anonymous>:1:1",
})
return UndefinedValue()
})
require.NoError(t, err)
_, err = vm.Run(`functionA()`)
require.NoError(t, err)
})
}