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float_test.go
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167 lines (143 loc) · 4.11 KB
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package nulled
import (
"bytes"
"encoding/gob"
"encoding/json"
"net/url"
"testing"
"github.com/stretchr/testify/assert"
)
func TestFloat_NewFloat(t *testing.T) {
valid := NewFloat(123.45, true)
assert.True(t, valid.Valid)
assert.Equal(t, 123.45, valid.Float64)
invalid := NewFloat(0, false)
assert.False(t, invalid.Valid)
}
func TestFloat_FloatFrom(t *testing.T) {
valid := FloatFrom(123.45)
assert.True(t, valid.Valid)
assert.Equal(t, 123.45, valid.Float64)
}
func TestFloat_FloatFromPtr(t *testing.T) {
f := 123.45
valid := FloatFromPtr(&f)
assert.True(t, valid.Valid)
assert.Equal(t, f, valid.Float64)
invalid := FloatFromPtr(nil)
assert.False(t, invalid.Valid)
}
func TestFloat_MarshalJSON(t *testing.T) {
valid := NewFloat(123.45, true)
data, err := json.Marshal(valid)
assert.NoError(t, err)
assert.Equal(t, []byte(`123.45`), data)
invalid := NewFloat(0, false)
data, err = json.Marshal(invalid)
assert.NoError(t, err)
assert.Equal(t, []byte("null"), data)
}
func TestFloat_UnmarshalJSON(t *testing.T) {
tests := []struct {
name string
inputJSON []byte
want Float
wantErr bool
}{
{name: "valid float", inputJSON: []byte(`123.45`), want: NewFloat(123.45, true)},
{name: "zero", inputJSON: []byte(`0`), want: NewFloat(0, true)},
{name: "null", inputJSON: []byte(`null`), want: NewFloat(0, false)},
{name: "invalid json", inputJSON: []byte(`"not a float"`), wantErr: true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var f Float
err := json.Unmarshal(tt.inputJSON, &f)
if tt.wantErr {
assert.Error(t, err)
} else {
assert.NoError(t, err)
assert.Equal(t, tt.want, f)
}
})
}
}
func TestFloat_UnmarshalText(t *testing.T) {
tests := []struct {
name string
inputText []byte
want Float
wantErr bool
}{
{name: "valid float", inputText: []byte(`123.45`), want: NewFloat(123.45, true)},
{name: "negative float", inputText: []byte(`-54.321`), want: NewFloat(-54.321, true)},
{name: "empty bytes", inputText: []byte(``), want: NewFloat(0, false)},
{name: "null string", inputText: []byte(`null`), want: NewFloat(0, false)},
{name: "invalid string", inputText: []byte(`abc`), wantErr: true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var f Float
err := f.UnmarshalText(tt.inputText)
if tt.wantErr {
assert.Error(t, err)
} else {
assert.NoError(t, err)
assert.Equal(t, tt.want, f)
}
})
}
}
func TestFloat_EncodeValues(t *testing.T) {
key := "test_float"
t.Run("valid", func(t *testing.T) {
v := &url.Values{}
f := NewFloat(123.45, true)
err := f.EncodeValues(key, v)
assert.NoError(t, err)
assert.Equal(t, "123.45", v.Get(key))
})
t.Run("invalid", func(t *testing.T) {
v := &url.Values{}
f := NewFloat(0, false)
err := f.EncodeValues(key, v)
assert.NoError(t, err)
assert.False(t, v.Has(key))
})
}
func TestFloat_ValueOrZero(t *testing.T) {
valid := NewFloat(123.45, true)
assert.Equal(t, 123.45, valid.ValueOrZero())
invalid := NewFloat(0, false)
assert.Equal(t, float64(0), invalid.ValueOrZero())
}
func TestFloat_GobEncoding(t *testing.T) {
// Test valid Float
var validBuf bytes.Buffer
valid := NewFloat(123.45, true)
err := gob.NewEncoder(&validBuf).Encode(valid)
assert.NoError(t, err)
var decodedValid Float
err = gob.NewDecoder(&validBuf).Decode(&decodedValid)
assert.NoError(t, err)
assert.Equal(t, valid, decodedValid)
// Test invalid Float
var invalidBuf bytes.Buffer
invalid := NewFloat(0, false)
err = gob.NewEncoder(&invalidBuf).Encode(invalid)
assert.NoError(t, err)
var decodedInvalid Float
err = gob.NewDecoder(&invalidBuf).Decode(&decodedInvalid)
assert.NoError(t, err)
assert.Equal(t, invalid, decodedInvalid)
}
func TestFloat_NullValue(t *testing.T) {
// 验证有效 Float 的 NullValue
validFloat := NewFloat(123.45, true)
assert.True(t, validFloat.NullValue().Valid)
assert.Equal(t, float64(123.45), validFloat.NullValue().Float64)
// 验证无效 Float 的 NullValue
invalidFloat := NewFloat(0, false)
assert.False(t, invalidFloat.NullValue().Valid)
assert.Equal(t, float64(0), invalidFloat.NullValue().Float64)
}