mirror of
https://github.com/dolthub/dolt.git
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123 lines
3.1 KiB
Go
123 lines
3.1 KiB
Go
// Copyright 2019 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package set
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import (
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"reflect"
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"sort"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestStrSet(t *testing.T) {
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strSet := NewStrSet([]string{"a", "b", "c", "c", "d", "d", "d"})
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if !isAsExpected(strSet, []string{"a", "b", "c", "d"}) {
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t.Error("Set doesn't match expectation after creation", strSet.AsSlice())
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}
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strSet.Add("a")
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strSet.Add("e")
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if !isAsExpected(strSet, []string{"a", "b", "c", "d", "e"}) {
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t.Error("Set doesn't match expectation after adds", strSet.AsSlice())
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}
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joinedStr := strSet.JoinStrings(",")
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if joinedStr != "a,b,c,d,e" {
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t.Error("JoinStrings failed to yield correct result:", joinedStr)
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}
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strSet.Remove("b", "d")
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if !isAsExpected(strSet, []string{"a", "c", "e"}) {
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t.Error("Set doesn't match expectation after removes", strSet.AsSlice())
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}
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strSet.Remove("non-existant string")
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if !isAsExpected(strSet, []string{"a", "c", "e"}) {
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t.Error("Set doesn't match expectation after noop remove", strSet.AsSlice())
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}
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}
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// tests Size(), ContainsAll, Contains(), and AsSlice()
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func isAsExpected(strSet *StrSet, expected []string) bool {
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if strSet.Size() != len(expected) {
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return false
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}
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if !strSet.ContainsAll(expected) {
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return false
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}
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if strSet.Contains("This should fail as it shouldn't be in the set") {
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return false
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}
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actual := strSet.AsSlice()
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sort.Strings(expected)
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sort.Strings(actual)
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return reflect.DeepEqual(actual, expected)
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}
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func TestUnique(t *testing.T) {
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uStrs := Unique([]string{"a", "b", "b", "c", "c", "c"})
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sort.Strings(uStrs)
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if !reflect.DeepEqual(uStrs, []string{"a", "b", "c"}) {
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t.Error(`Unique failed. expected: ["a", "b", "c"] actual:`, uStrs)
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}
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}
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func TestIterateDifferent(t *testing.T) {
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strSet1 := NewStrSet([]string{"a", "b", "c", "d"})
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strSet2 := NewStrSet([]string{"e", "f", "g"})
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strSet1.Iterate(func(s string) (cont bool) {
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if strSet2.Contains(s) {
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t.Error(s, " should not be in strSet2")
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}
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return true
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})
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if strSet1.ContainsAll(strSet2.AsSlice()) {
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t.Error("strSet1 does not contain all or any of strSet2")
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}
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}
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func TestEquality(t *testing.T) {
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strSet1 := NewStrSet([]string{"a", "b", "c"})
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strSet2 := NewStrSet([]string{"a", "b", "c", "b", "c", "c"})
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assert.True(t, strSet1.Equals(strSet2))
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strSet3 := NewStrSet([]string{"c", "b", "a"})
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assert.True(t, strSet3.Equals(strSet1))
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assert.True(t, strSet3.Equals(strSet2))
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strSet3.Add("z")
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assert.False(t, strSet3.Equals(strSet1))
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assert.False(t, strSet3.Equals(strSet2))
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strSet1.Remove("a")
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assert.False(t, strSet1.Equals(strSet2))
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}
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