2024-03-03 13:56:48 -06:00
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package tools
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import (
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"bytes"
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"encoding/json"
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"errors"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestWriteBuffer(t *testing.T) {
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when := time.Now()
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tests := []struct {
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name string
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value any
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out string
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err error
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}{
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{"nil", nil, "", nil},
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{"string", "hi", "hi", nil},
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{"bytes", []byte{104, 105}, "hi", nil},
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{"byte", byte(104), "h", nil},
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{"rune", 'h', "h", nil},
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{"int", 42, "42", nil},
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{"int64", int64(42), "42", nil},
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{"float", 42.13, "42.13", nil},
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{"bool", false, "false", nil},
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{"json.Number", json.Number("42.13"), "42.13", nil},
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{"json.RawMessage", json.RawMessage("{}"), "{}", nil},
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{"time", when, when.Format(time.RFC3339), nil},
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2024-03-10 15:49:36 -05:00
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{"slice", []any{1, 2, "foo"}, `[1,2,"foo"]`, nil},
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{"map", map[string]any{"baz": 42, "foo": "bar"}, `{"baz":42,"foo":"bar"}`, nil},
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2024-03-03 13:56:48 -06:00
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{"struct", struct{}{}, "", errors.New("Unsupported type struct {}")},
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}
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for _, tt := range tests {
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t.Run(tt.name, getWriteTestRunner(tt.value, tt.out, tt.err))
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}
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}
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func getWriteTestRunner(value any, out string, err error) func(*testing.T) {
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return func(t *testing.T) {
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buff := &bytes.Buffer{}
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n, er := WriteValue(buff, value)
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assert.Equal(t, len(out), n)
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assert.Equal(t, err, er)
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assert.Equal(t, out, buff.String())
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}
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}
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