74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
package cast_test
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import (
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"testing"
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"apigo.cc/go/cast"
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)
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func TestToAs(t *testing.T) {
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// Basic types
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if v, err := cast.To[int]("123"); err != nil || v != 123 {
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t.Errorf("To[int] failed: %v, %v", v, err)
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}
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if v := cast.As[int]("123"); v != 123 {
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t.Errorf("As[int] failed: %v", v)
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}
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if v := cast.As[int]("abc"); v != 0 {
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t.Errorf("As[int] for invalid input should be 0, got %v", v)
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}
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// Slice
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s, err := cast.To[[]int]([]string{"1", "2", "3"})
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if err != nil || len(s) != 3 || s[0] != 1 || s[1] != 2 || s[2] != 3 {
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t.Errorf("To[[]int] failed: %v, %v", s, err)
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}
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// Map
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m, err := cast.To[map[string]int](map[string]string{"a": "1", "b": "2"})
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if err != nil || len(m) != 2 || m["a"] != 1 || m["b"] != 2 {
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t.Errorf("To[map[string]int] failed: %v, %v", m, err)
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}
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// JSON Auto conversion (Struct to String)
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type User struct {
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Name string `json:"name"`
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}
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u := User{Name: "Alice"}
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js, err := cast.To[string](u)
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if err != nil || js != `{"name":"Alice"}` {
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t.Errorf("To[string] for struct failed: %v, %v", js, err)
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}
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// JSON Auto conversion (String to Struct)
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u2, err := cast.To[User](`{"name":"Bob"}`)
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if err != nil || u2.Name != "Bob" {
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t.Errorf("To[User] from string failed: %v, %v", u2, err)
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}
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}
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func TestMapSliceAPIs(t *testing.T) {
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// ToMap
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m, err := cast.ToMap[string, int]([]any{"a", "1", "b", 2})
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if err != nil || m["a"] != 1 || m["b"] != 2 {
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t.Errorf("ToMap failed: %v, %v", m, err)
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}
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// AsMap
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m2 := cast.AsMap[string, int]([]any{"c", "3"})
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if m2["c"] != 3 {
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t.Errorf("AsMap failed: %v", m2)
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}
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// ToSlice
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s, err := cast.ToSlice[int]([]string{"10", "20"})
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if err != nil || len(s) != 2 || s[0] != 10 || s[1] != 20 {
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t.Errorf("ToSlice failed: %v, %v", s, err)
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}
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// AsSlice
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s2 := cast.AsSlice[string]([]int{1, 2})
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if len(s2) != 2 || s2[0] != "1" || s2[1] != "2" {
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t.Errorf("AsSlice failed: %v", s2)
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}
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}
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