76 lines
2.1 KiB
Go
76 lines
2.1 KiB
Go
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package mlog
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import (
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"context"
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"strings"
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. "testing"
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"github.com/ansel1/merry"
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"github.com/stretchr/testify/assert"
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)
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func TestErrKV(t *T) {
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assertErrKV := func(err error, exp KV) {
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got := KV(ErrKV(err).KV())
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errSrc := got["errSrc"]
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assert.NotEmpty(t, errSrc)
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assert.True(t, strings.HasPrefix(errSrc.(string), "mlog/errctx_test.go"))
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delete(got, "errSrc")
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assert.Equal(t, exp, got)
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}
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err := merry.New("foo")
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assertErrKV(err, KV{"err": err.Error()})
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kv := KV{"a": "a"}
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err2 := ErrWithKV(err, kv)
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assertErrKV(err, KV{"err": err.Error()})
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assertErrKV(err2, KV{"err": err.Error(), "a": "a"})
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// changing the kv now shouldn't do anything
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kv["a"] = "b"
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assertErrKV(err, KV{"err": err.Error()})
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assertErrKV(err2, KV{"err": err.Error(), "a": "a"})
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// a new ErrWithKV shouldn't affect the previous one
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err3 := ErrWithKV(err2, KV{"b": "b"})
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assertErrKV(err, KV{"err": err.Error()})
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assertErrKV(err2, KV{"err": err2.Error(), "a": "a"})
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assertErrKV(err3, KV{"err": err3.Error(), "a": "a", "b": "b"})
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// make sure precedence works
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err4 := ErrWithKV(err3, KV{"b": "bb"})
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assertErrKV(err, KV{"err": err.Error()})
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assertErrKV(err2, KV{"err": err2.Error(), "a": "a"})
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assertErrKV(err3, KV{"err": err3.Error(), "a": "a", "b": "b"})
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assertErrKV(err4, KV{"err": err4.Error(), "a": "a", "b": "bb"})
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}
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func TestCtxKV(t *T) {
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ctx := context.Background()
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assert.Equal(t, KV{}, CtxKV(ctx))
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kv := KV{"a": "a"}
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ctx2 := CtxWithKV(ctx, kv)
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assert.Equal(t, KV{}, CtxKV(ctx))
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assert.Equal(t, KV{"a": "a"}, CtxKV(ctx2))
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// changing the kv now shouldn't do anything
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kv["a"] = "b"
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assert.Equal(t, KV{}, CtxKV(ctx))
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assert.Equal(t, KV{"a": "a"}, CtxKV(ctx2))
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// a new CtxWithKV shouldn't affect the previous one
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ctx3 := CtxWithKV(ctx2, KV{"b": "b"})
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assert.Equal(t, KV{}, CtxKV(ctx))
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assert.Equal(t, KV{"a": "a"}, CtxKV(ctx2))
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assert.Equal(t, KV{"a": "a", "b": "b"}, CtxKV(ctx3))
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// make sure precedence works
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ctx4 := CtxWithKV(ctx3, KV{"b": "bb"})
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assert.Equal(t, KV{}, CtxKV(ctx))
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assert.Equal(t, KV{"a": "a"}, CtxKV(ctx2))
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assert.Equal(t, KV{"a": "a", "b": "b"}, CtxKV(ctx3))
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assert.Equal(t, KV{"a": "a", "b": "bb"}, CtxKV(ctx4))
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}
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