2e9d3a737c
We were not skipping the initial prefix from the cursor. Change-Id: I2bb472e960b92cae77fd1226de0b26fac79c429b
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package metabase
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestPrefixLimit(t *testing.T) {
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unchanged := ObjectKey("unchanged")
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_ = prefixLimit(unchanged)
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require.Equal(t, ObjectKey("unchanged"), unchanged)
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tests := []struct{ in, exp ObjectKey }{
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{"", ""},
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{"a", "b"},
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{"\xF1", "\xF2"},
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{"\xFF", "\xFF\x00"},
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}
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for _, test := range tests {
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require.Equal(t, test.exp, prefixLimit(test.in))
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if test.in != "" {
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require.True(t, lessKey(test.in, test.exp))
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}
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}
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}
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func TestFirstIterateCursor(t *testing.T) {
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afterDelimiter := ObjectKey('/' + 1)
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assert.Equal(t,
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iterateCursor{Key: "a"},
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firstIterateCursor(false, IterateCursor{Key: "a"}, ""))
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assert.Equal(t,
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iterateCursor{Key: "a" + afterDelimiter, Version: -1, Inclusive: true},
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firstIterateCursor(false, IterateCursor{Key: "a/"}, ""))
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assert.Equal(t,
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iterateCursor{Key: "a" + afterDelimiter, Version: -1, Inclusive: true},
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firstIterateCursor(false, IterateCursor{Key: "a/x/y"}, ""))
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assert.Equal(t,
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iterateCursor{Key: "a/x/y"},
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firstIterateCursor(false, IterateCursor{Key: "a/x/y"}, "a/x/"))
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assert.Equal(t,
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iterateCursor{Key: "2017/05/08" + afterDelimiter, Version: -1, Inclusive: true},
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firstIterateCursor(false, IterateCursor{Key: "2017/05/08/"}, "2017/05/"))
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assert.Equal(t,
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iterateCursor{Key: "2017/05/08" + afterDelimiter, Version: -1, Inclusive: true},
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firstIterateCursor(false, IterateCursor{Key: "2017/05/08/x/y"}, "2017/05/"))
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}
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