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snippet_expr_test.go
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/
snippet_expr_test.go
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package codegen
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestSnippet_Star(t *testing.T) {
tt := require.New(t)
tt.Equal("*bool", Stringify(Star(Bool)))
tt.Equal("**bool", Stringify(Star(Star(Bool))))
}
func TestSnippet_Sel(t *testing.T) {
tt := require.New(t)
tt.Equal(`fmt.Printf("1", 1, '1', true)`, Stringify(
Sel(
Id("fmt"),
Call("Printf", Val("1"), Val(1), Val('1'), Val(true)),
),
))
tt.Equal(`fmt.Printf("1", []interface {}{
"1",
"2",
}...)`, Stringify(
Sel(
Id("fmt"),
Call("Printf", Val("1"), Val([]interface{}{"1", "2"})).WithEllipsis(),
),
))
tt.Equal(`r.Request("GET").Do(req, &(resp))`, Stringify(
Sel(
Id("r"),
Call("Request", Val("GET")),
Call("Do", Id("req"), Unary(Paren(Id("resp")))),
),
))
}
func TestSnippet_Call(t *testing.T) {
tt := require.New(t)
tt.Equal(`fn("1", 1, '1', true, &a)`, Stringify(
Call("fn", Val("1"), Val(1), Val('1'), Val(true), Unary(Id("a"))),
))
tt.Equal(`make([]string, 1)`, Stringify(
Call("make", Slice(String), Val(1)),
))
tt.Equal(`defer func () {
}()`, Stringify(
CallWith(Func().Do()).AsDefer(),
))
tt.Equal(`defer fn("1", 1, '1', true, &a)`, Stringify(
Call("fn", Val("1"), Val(1), Val('1'), Val(true), Unary(Id("a"))).AsDefer(),
))
tt.Equal(`go fn("1", 1, '1', true, &a)`, Stringify(
Call("fn", Val("1"), Val(1), Val('1'), Val(true), Unary(Id("a"))).AsGo(),
))
tt.Equal(`string("1")`, Stringify(
Convert(String, Val("1")),
))
}
func TestSnippet_TypeAssert(t *testing.T) {
tt := require.New(t)
tt.Equal(`a.(string)`, Stringify(
TypeAssert(
String,
Id("a"),
),
))
tt.Equal(`a.(interface {
IsZero() (bool)
})`, Stringify(
TypeAssert(
Interface(
Func().Return(Var(Bool)).Named("IsZero"),
),
Id("a"),
),
))
}