mirror of
https://github.com/dolthub/dolt.git
synced 2026-01-29 03:08:47 -06:00
145 lines
3.4 KiB
Go
145 lines
3.4 KiB
Go
package ref
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import (
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"testing"
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"crypto/sha1"
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"github.com/attic-labs/noms/Godeps/_workspace/src/github.com/stretchr/testify/assert"
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"github.com/attic-labs/noms/d"
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)
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func TestParseError(t *testing.T) {
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assert := assert.New(t)
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assertParseError := func(s string) {
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e := d.Try(func() { Parse(s) })
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assert.IsType(d.UsageError{}, e)
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}
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assertParseError("foo")
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assertParseError("sha1")
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assertParseError("sha1-0")
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// too many digits
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assertParseError("sha1-00000000000000000000000000000000000000000")
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// 'g' not valid hex
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assertParseError("sha1-000000000000000000000000000000000000000g")
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// sha2 not supported
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assertParseError("sha2-0000000000000000000000000000000000000000")
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r := Parse("sha1-0000000000000000000000000000000000000000")
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assert.NotNil(r)
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}
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func TestMaybeParse(t *testing.T) {
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assert := assert.New(t)
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parse := func(s string, success bool) {
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r, ok := MaybeParse(s)
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assert.Equal(success, ok, "Expected success=%t for %s", success, s)
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if ok {
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assert.Equal(s, r.String())
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} else {
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assert.Equal(emptyRef, r)
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}
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}
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parse("sha1-0000000000000000000000000000000000000000", true)
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parse("sha1-0000000000000000000000000000000000000001", true)
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parse("", false)
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parse("adsfasdf", false)
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parse("sha2-0000000000000000000000000000000000000000", false)
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}
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func TestEquals(t *testing.T) {
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assert := assert.New(t)
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r0 := Parse("sha1-0000000000000000000000000000000000000000")
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r01 := Parse("sha1-0000000000000000000000000000000000000000")
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r1 := Parse("sha1-0000000000000000000000000000000000000001")
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assert.Equal(r0, r01)
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assert.Equal(r01, r0)
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assert.NotEqual(r0, r1)
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assert.NotEqual(r1, r0)
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}
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func TestString(t *testing.T) {
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s := "sha1-0123456789abcdef0123456789abcdef01234567"
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r := Parse(s)
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assert.Equal(t, s, r.String())
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}
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func TestDigest(t *testing.T) {
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r := New(Sha1Digest{})
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d := r.Digest()
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assert.Equal(t, r.Digest(), d)
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// Digest() must return a copy otherwise things get weird.
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d[0] = 0x01
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assert.NotEqual(t, r.Digest(), d)
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}
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func TestDigestSlice(t *testing.T) {
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r := New(Sha1Digest{})
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d := r.DigestSlice()
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assert.Equal(t, r.DigestSlice(), d)
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// DigestSlice() must return a copy otherwise things get weird.
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d[0] = 0x01
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assert.NotEqual(t, r.DigestSlice(), d)
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}
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func TestFromHash(t *testing.T) {
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h := sha1.New()
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h.Write([]byte("abc"))
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r := FromHash(h)
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assert.Equal(t, "sha1-a9993e364706816aba3e25717850c26c9cd0d89d", r.String())
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}
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func TestIsEmpty(t *testing.T) {
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r1 := Ref{}
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assert.True(t, r1.IsEmpty())
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r2 := Parse("sha1-0000000000000000000000000000000000000000")
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assert.True(t, r2.IsEmpty())
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r3 := Parse("sha1-a9993e364706816aba3e25717850c26c9cd0d89d")
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assert.False(t, r3.IsEmpty())
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}
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func TestLess(t *testing.T) {
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assert := assert.New(t)
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r1 := Parse("sha1-0000000000000000000000000000000000000001")
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r2 := Parse("sha1-0000000000000000000000000000000000000002")
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assert.False(r1.Less(r1))
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assert.True(r1.Less(r2))
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assert.False(r2.Less(r1))
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assert.False(r2.Less(r2))
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r0 := Ref{}
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assert.False(r0.Less(r0))
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assert.True(r0.Less(r2))
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assert.False(r2.Less(r0))
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}
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func TestGreater(t *testing.T) {
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assert := assert.New(t)
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r1 := Parse("sha1-0000000000000000000000000000000000000001")
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r2 := Parse("sha1-0000000000000000000000000000000000000002")
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assert.False(r1.Greater(r1))
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assert.False(r1.Greater(r2))
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assert.True(r2.Greater(r1))
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assert.False(r2.Greater(r2))
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r0 := Ref{}
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assert.False(r0.Greater(r0))
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assert.False(r0.Greater(r2))
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assert.True(r2.Greater(r0))
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}
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