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Test structify.MakeMapStructifier() #33

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Test structify.MakeMapStructifier() #33

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317 changes: 317 additions & 0 deletions structify/structify_test.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,317 @@
package structify

import (
"github.com/icinga/icinga-go-library/types"
"github.com/stretchr/testify/require"
"reflect"
"testing"
)

type initerTest = struct {
S string `test:"s"`
I int8 `test:"i"`
}

type stringTest = struct {
S string `test:"s"`
}

func testIniter(p any) {
p.(*initerTest).I = 42
}

func TestMakeMapStructifier(t *testing.T) {
t.Run("empty", func(t *testing.T) {
ms := MakeMapStructifier(reflect.TypeOf(struct{}{}), "", nil)
require.NotNil(t, ms)

actual, err := ms(nil)
require.NoError(t, err)
require.Equal(t, &struct{}{}, actual)
})

t.Run("unsupported", func(t *testing.T) {
require.Panics(t, func() {
MakeMapStructifier(reflect.TypeOf(struct {
S struct{} `test:"s"`
}{}), "test", nil)
})
})

t.Run("embedded-ignored", func(t *testing.T) {
require.NotPanics(t, func() {
MakeMapStructifier(reflect.TypeOf(struct {
Embedded struct {
Ignored struct{} `test:"s"`
}
}{}), "test", nil)
})
})

subtests := []struct {
name string
initer func(any)
input map[string]any
error bool
output any
}{
{
name: "initer_only",
initer: testIniter,
output: &initerTest{I: 42},
},
{
name: "initer_coexists",
initer: testIniter,
input: map[string]any{"s": "foobar"},
output: &initerTest{S: "foobar", I: 42},
},
{
name: "initer_overwritten",
initer: testIniter,
input: map[string]any{"s": "foobar", "i": "23"},
output: &initerTest{S: "foobar", I: 23},
},
{
name: "unexported",
input: map[string]any{"s": "foobar"},
output: &struct {
s string `test:"s"`
}{},
},
{
name: "no_tag",
input: map[string]any{"s": "foobar"},
output: &struct {
S string
}{},
},
{
name: "empty_tag",
input: map[string]any{"s": "foobar"},
output: &struct {
S string `test:""`
}{},
},
{
name: "dash_tag",
input: map[string]any{"s": "foobar"},
output: &struct {
S string `test:"-"`
}{},
},
{name: "missing_map", output: &stringTest{}},
{
name: "not_string",
input: map[string]any{"u": uint8(255)},
output: &struct {
U uint8 `test:"u"`
}{},
},
{
name: "TextUnmarshaler",
input: map[string]any{"boolean": "1"},
output: &struct {
Boolean types.Bool `test:"boolean"`
}{types.Bool{Bool: true, Valid: true}},
},
{
name: "TextUnmarshaler_error",
input: map[string]any{"boolean": "INVALID"},
error: true,
output: &struct {
Boolean types.Bool `test:"boolean"`
}{},
},
{
name: "string",
input: map[string]any{"s": "foobar"},
output: &stringTest{S: "foobar"},
},
{
name: "pstring",
input: map[string]any{"s": "foobar"},
output: &struct {
S *string `test:"s"`
}{S: func(s string) *string { return &s }("foobar")},
},
{
name: "uint8",
input: map[string]any{"u": "255"},
output: &struct {
U uint8 `test:"u"`
}{U: 255},
},
{
name: "uint8_error",
input: map[string]any{"u": "256"},
error: true,
output: &struct {
U uint8 `test:"u"`
}{},
},
{
name: "uint16",
input: map[string]any{"u": "65535"},
output: &struct {
U uint16 `test:"u"`
}{U: 65535},
},
{
name: "uint16_error",
input: map[string]any{"u": "65536"},
error: true,
output: &struct {
U uint16 `test:"u"`
}{},
},
{
name: "uint32",
input: map[string]any{"u": "4294967295"},
output: &struct {
U uint32 `test:"u"`
}{U: 4294967295},
},
{
name: "uint32_error",
input: map[string]any{"u": "4294967296"},
error: true,
output: &struct {
U uint32 `test:"u"`
}{},
},
{
name: "uint64",
input: map[string]any{"u": "18446744073709551615"},
output: &struct {
U uint64 `test:"u"`
}{U: 18446744073709551615},
},
{
name: "uint64_error",
input: map[string]any{"u": "18446744073709551616"},
error: true,
output: &struct {
U uint64 `test:"u"`
}{},
},
{
name: "int8",
input: map[string]any{"i": "-128"},
output: &struct {
I int8 `test:"i"`
}{I: -128},
},
{
name: "int8_error",
input: map[string]any{"i": "-129"},
error: true,
output: &struct {
I int8 `test:"i"`
}{},
},
{
name: "int16",
input: map[string]any{"i": "-32768"},
output: &struct {
I int16 `test:"i"`
}{I: -32768},
},
{
name: "int16_error",
input: map[string]any{"i": "-32769"},
error: true,
output: &struct {
I int16 `test:"i"`
}{},
},
{
name: "int32",
input: map[string]any{"i": "-2147483648"},
output: &struct {
I int32 `test:"i"`
}{I: -2147483648},
},
{
name: "int32_error",
input: map[string]any{"i": "-2147483649"},
error: true,
output: &struct {
I int32 `test:"i"`
}{},
},
{
name: "int64",
input: map[string]any{"i": "-9223372036854775808"},
output: &struct {
I int64 `test:"i"`
}{I: -9223372036854775808},
},
{
name: "int64_error",
input: map[string]any{"i": "-9223372036854775809"},
error: true,
output: &struct {
I int64 `test:"i"`
}{},
},
{
name: "float32",
input: map[string]any{"f": "3.4028235e+38"},
output: &struct {
F float32 `test:"f"`
}{F: 3.4028235e+38},
},
{
name: "float32_error",
input: map[string]any{"f": "3.4028236e+38"},
error: true,
output: &struct {
F float32 `test:"f"`
}{},
},
{
name: "float64",
input: map[string]any{"f": "1.7976931348623157e+308"},
output: &struct {
F float64 `test:"f"`
}{F: 1.7976931348623157e+308},
},
{
name: "float64_error",
input: map[string]any{"f": "1.7976931348623158e+380"},
error: true,
output: &struct {
F float64 `test:"f"`
}{},
},
{
name: "inline",
input: map[string]any{"s": "foobar"},
output: &struct {
Inline stringTest `test:",inline"`
}{Inline: stringTest{S: "foobar"}},
},
{
name: "missing_inline",
input: map[string]any{"s": "foobar"},
output: &struct {
Inline stringTest
}{},
},
}

for _, st := range subtests {
t.Run(st.name, func(t *testing.T) {
ms := MakeMapStructifier(reflect.TypeOf(st.output).Elem(), "test", st.initer)
require.NotNil(t, ms)

if actual, err := ms(st.input); st.error {
require.Error(t, err)
} else {
require.NoError(t, err)
require.Equal(t, st.output, actual)
}
})
}
}
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