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try_test.go
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try_test.go
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package lo
import (
"errors"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
func TestTry(t *testing.T) {
is := assert.New(t)
is.False(Try(func() error {
panic("error")
}))
is.True(Try(func() error {
return nil
}))
is.False(Try(func() error {
return fmt.Errorf("fail")
}))
}
func TestTryFunctions(t *testing.T) {
is := assert.New(t)
is.True(Try2(func() (string, error) {
return "", nil
}))
is.True(Try3(func() (string, string, error) {
return "", "", nil
}))
is.True(Try4(func() (string, string, string, error) {
return "", "", "", nil
}))
is.True(Try5(func() (string, string, string, string, error) {
return "", "", "", "", nil
}))
is.True(Try6(func() (string, string, string, string, string, error) {
return "", "", "", "", "", nil
}))
is.False(Try2(func() (string, error) {
panic("error")
}))
is.False(Try3(func() (string, string, error) {
panic("error")
}))
is.False(Try4(func() (string, string, string, error) {
panic("error")
}))
is.False(Try5(func() (string, string, string, string, error) {
panic("error")
}))
is.False(Try6(func() (string, string, string, string, string, error) {
panic("error")
}))
is.False(Try2(func() (string, error) {
return "", errors.New("foo")
}))
is.False(Try3(func() (string, string, error) {
return "", "", errors.New("foo")
}))
is.False(Try4(func() (string, string, string, error) {
return "", "", "", errors.New("foo")
}))
is.False(Try5(func() (string, string, string, string, error) {
return "", "", "", "", errors.New("foo")
}))
is.False(Try6(func() (string, string, string, string, string, error) {
return "", "", "", "", "", errors.New("foo")
}))
}
func TestTryWithErrorValue(t *testing.T) {
is := assert.New(t)
err, ok := TryWithErrorValue(func() error {
panic("error")
})
is.False(ok)
is.Equal("error", err)
err, ok = TryWithErrorValue(func() error {
return nil
})
is.True(ok)
is.Equal(nil, err)
}
func TestTryCatch(t *testing.T) {
is := assert.New(t)
caught := false
TryCatch(func() error {
panic("error")
}, func() {
//error was caught
caught = true
})
is.True(caught)
caught = false
TryCatch(func() error {
return nil
}, func() {
//no error to be caught
caught = true
})
is.False(caught)
}
func TestTryCatchWithErrorValue(t *testing.T) {
is := assert.New(t)
caught := false
TryCatchWithErrorValue(func() error {
panic("error")
}, func(val any) {
//error was caught
caught = val == "error"
})
is.True(caught)
caught = false
TryCatchWithErrorValue(func() error {
return nil
}, func(val any) {
//no error to be caught
caught = true
})
is.False(caught)
}