mirror of
https://github.com/dolthub/dolt.git
synced 2026-05-01 03:29:12 -05:00
Rafael Weinstein
a67bb9bf7b
Define the hash.Hash type to be a 20-byte array, rather than embed one. Hash API Changes: `hash.FromSlice` -> `hash.New`, `hash.FromData` -> `hash.Of`
131 lines
2.9 KiB
Go
131 lines
2.9 KiB
Go
// Copyright 2016 Attic Labs, Inc. All rights reserved.
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// Licensed under the Apache License, version 2.0:
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// http://www.apache.org/licenses/LICENSE-2.0
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package hash
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import (
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"testing"
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"github.com/attic-labs/noms/go/d"
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"github.com/attic-labs/testify/assert"
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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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_, ok := e.(d.WrappedError)
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assert.True(ok)
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}
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assertParseError("foo")
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// too few digits
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assertParseError("0000000000000000000000000000000")
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// too many digits
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assertParseError("000000000000000000000000000000000")
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// 'w' not valid base32
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assertParseError("00000000000000000000000000000000w")
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// no prefix
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assertParseError("sha1-00000000000000000000000000000000")
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assertParseError("sha2-00000000000000000000000000000000")
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r := Parse("00000000000000000000000000000000")
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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(emptyHash, r)
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}
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}
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parse("00000000000000000000000000000000", true)
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parse("00000000000000000000000000000001", true)
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parse("", false)
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parse("adsfasdf", false)
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parse("sha2-00000000000000000000000000000000", false)
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parse("0000000000000000000000000000000w", 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("00000000000000000000000000000000")
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r01 := Parse("00000000000000000000000000000000")
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r1 := Parse("00000000000000000000000000000001")
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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 := "0123456789abcdefghijklmnopqrstuv"
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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 TestOf(t *testing.T) {
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r := Of([]byte("abc"))
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assert.Equal(t, "rmnjb8cjc5tblj21ed4qs821649eduie", r.String())
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}
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func TestIsEmpty(t *testing.T) {
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r1 := Hash{}
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assert.True(t, r1.IsEmpty())
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r2 := Parse("00000000000000000000000000000000")
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assert.True(t, r2.IsEmpty())
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r3 := Parse("rmnjb8cjc5tblj21ed4qs821649eduie")
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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("00000000000000000000000000000001")
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r2 := Parse("00000000000000000000000000000002")
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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 := Hash{}
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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("00000000000000000000000000000001")
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r2 := Parse("00000000000000000000000000000002")
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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 := Hash{}
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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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