Files
trivy/pkg/set/case_insensitive_test.go

434 lines
10 KiB
Go

package set_test
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/aquasecurity/trivy/pkg/set"
)
func TestNewCaseInsensitive(t *testing.T) {
tests := []struct {
name string
values []string
want []string
desc string
}{
{
name: "empty set",
values: []string{},
want: []string{},
desc: "should create empty set when no values provided",
},
{
name: "single value",
values: []string{"Hello"},
want: []string{"Hello"},
desc: "should create set with single value",
},
{
name: "multiple values",
values: []string{"Hello", "World", "Test"},
want: []string{"Hello", "World", "Test"},
desc: "should create set with multiple values",
},
{
name: "case insensitive duplicates",
values: []string{"Hello", "HELLO", "hello", "HeLLo"},
want: []string{"Hello"},
desc: "should treat case variations as duplicates and preserve first occurrence",
},
{
name: "mixed case duplicates",
values: []string{"Test", "TEST", "test", "World", "WORLD"},
want: []string{"Test", "World"},
desc: "should treat case variations as duplicates across multiple strings and preserve first occurrences",
},
{
name: "empty strings",
values: []string{"", "test", ""},
want: []string{"", "test"},
desc: "should handle empty strings and treat duplicates correctly",
},
{
name: "unicode strings",
values: []string{"こんにちは", "世界", "こんにちは"},
want: []string{"こんにちは", "世界"},
desc: "should handle unicode strings correctly",
},
{
name: "strings with spaces",
values: []string{"Hello World", "hello world", "HELLO WORLD"},
want: []string{"Hello World"},
desc: "should handle strings with spaces case-insensitively and preserve original spacing",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := set.NewCaseInsensitive(tt.values...)
assert.ElementsMatch(t, tt.want, s.Items(), "unexpected set contents")
})
}
}
func TestCaseInsensitiveSet_Append(t *testing.T) {
tests := []struct {
name string
initial []string
append []string
want []string
}{
{
name: "append to empty set",
initial: []string{},
append: []string{"Hello", "World"},
want: []string{"Hello", "World"},
},
{
name: "append case variations",
initial: []string{"Hello"},
append: []string{"HELLO", "hello"},
want: []string{"Hello"},
},
{
name: "append new and existing",
initial: []string{"Hello"},
append: []string{"HELLO", "World"},
want: []string{"Hello", "World"},
},
{
name: "append empty slice",
initial: []string{"Hello"},
append: []string{},
want: []string{"Hello"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := set.NewCaseInsensitive(tt.initial...)
got := s.Append(tt.append...)
assert.Equal(t, len(tt.want), got, "unexpected returned size")
assert.ElementsMatch(t, tt.want, s.Items(), "unexpected set contents")
})
}
}
func TestCaseInsensitiveSet_Contains(t *testing.T) {
tests := []struct {
name string
initial []string
check string
want bool
}{
{
name: "exact match",
initial: []string{"Hello"},
check: "Hello",
want: true,
},
{
name: "lowercase match",
initial: []string{"Hello"},
check: "hello",
want: true,
},
{
name: "uppercase match",
initial: []string{"Hello"},
check: "HELLO",
want: true,
},
{
name: "mixed case match",
initial: []string{"Hello"},
check: "HeLLo",
want: true,
},
{
name: "not found",
initial: []string{"Hello"},
check: "World",
want: false,
},
{
name: "empty string exists",
initial: []string{""},
check: "",
want: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := set.NewCaseInsensitive(tt.initial...)
got := s.Contains(tt.check)
assert.Equal(t, tt.want, got, "unexpected contains result")
})
}
}
func TestCaseInsensitiveSet_Remove(t *testing.T) {
tests := []struct {
name string
initial []string
remove string
wantSize int
}{
{
name: "remove exact match",
initial: []string{"Hello", "World"},
remove: "Hello",
wantSize: 1,
},
{
name: "remove with different case",
initial: []string{"Hello", "World"},
remove: "hello",
wantSize: 1,
},
{
name: "remove uppercase",
initial: []string{"Hello", "World"},
remove: "WORLD",
wantSize: 1,
},
{
name: "remove non-existing",
initial: []string{"Hello"},
remove: "World",
wantSize: 1,
},
{
name: "remove from empty set",
initial: []string{},
remove: "Hello",
wantSize: 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := set.NewCaseInsensitive(tt.initial...)
s.Remove(tt.remove)
got := s.Size()
assert.Equal(t, tt.wantSize, got, "unexpected set size after remove")
assert.False(t, s.Contains(tt.remove), "set should not contain removed item")
})
}
}
func TestCaseInsensitiveSet_Clear(t *testing.T) {
tests := []struct {
name string
initial []string
}{
{
name: "clear non-empty set",
initial: []string{"Hello", "World", "Test"},
},
{
name: "clear empty set",
initial: []string{},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := set.NewCaseInsensitive(tt.initial...)
s.Clear()
assert.Zero(t, s.Size(), "set should be empty after clear")
assert.Empty(t, s.Items(), "items should be empty after clear")
})
}
}
func TestCaseInsensitiveSet_Clone(t *testing.T) {
t.Run("empty set", func(t *testing.T) {
original := set.NewCaseInsensitive()
cloned := original.Clone()
assert.Equal(t, 0, cloned.Size(), "cloned set should be empty")
// Verify independence
original.Append("test")
assert.False(t, cloned.Contains("test"), "cloned set should not be affected by original")
})
t.Run("non-empty set", func(t *testing.T) {
original := set.NewCaseInsensitive("Hello", "World")
cloned := original.Clone()
assert.Equal(t, original.Size(), cloned.Size(), "sizes should match")
assert.True(t, cloned.Contains("hello"), "should contain hello (case insensitive)")
assert.True(t, cloned.Contains("WORLD"), "should contain world (case insensitive)")
// Verify independence
original.Append("new")
assert.False(t, cloned.Contains("new"), "cloned set should not be affected by original")
cloned.Append("another")
assert.False(t, original.Contains("another"), "original set should not be affected by clone")
})
t.Run("preserves casing", func(t *testing.T) {
original := set.NewCaseInsensitive("Hello", "WORLD")
cloned := original.Clone()
assert.ElementsMatch(t, original.Items(), cloned.Items(), "cloned set should preserve original casing")
})
}
func TestCaseInsensitiveSet_Union(t *testing.T) {
tests := []struct {
name string
set1 []string
set2 []string
want []string
}{
{
name: "non-overlapping sets",
set1: []string{"Hello", "World"},
set2: []string{"Test", "Data"},
want: []string{"Hello", "World", "Test", "Data"},
},
{
name: "overlapping sets with same case",
set1: []string{"Hello", "World"},
set2: []string{"World", "Test"},
want: []string{"Hello", "World", "Test"},
},
{
name: "overlapping sets with different case",
set1: []string{"Hello", "World"},
set2: []string{"HELLO", "test"},
want: []string{"Hello", "World", "test"},
},
{
name: "union with empty set",
set1: []string{"Hello"},
set2: []string{},
want: []string{"Hello"},
},
{
name: "empty sets union",
set1: []string{},
set2: []string{},
want: []string{},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s1 := set.NewCaseInsensitive(tt.set1...)
s2 := set.NewCaseInsensitive(tt.set2...)
result := s1.Union(s2)
got := result.Items()
assert.ElementsMatch(t, tt.want, got, "unexpected union result")
})
}
}
func TestCaseInsensitiveSet_Intersection(t *testing.T) {
tests := []struct {
name string
set1 []string
set2 []string
want []string
}{
{
name: "overlapping sets with same case",
set1: []string{"Hello", "World", "Test"},
set2: []string{"World", "Test", "Data"},
want: []string{"World", "Test"},
},
{
name: "overlapping sets with different case",
set1: []string{"Hello", "World"},
set2: []string{"hello", "WORLD"},
want: []string{"Hello", "World"},
},
{
name: "non-overlapping sets",
set1: []string{"Hello"},
set2: []string{"World"},
want: []string{},
},
{
name: "intersection with empty set",
set1: []string{"Hello"},
set2: []string{},
want: []string{},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s1 := set.NewCaseInsensitive(tt.set1...)
s2 := set.NewCaseInsensitive(tt.set2...)
result := s1.Intersection(s2)
got := result.Items()
assert.ElementsMatch(t, tt.want, got, "unexpected intersection result")
})
}
}
func TestCaseInsensitiveSet_Difference(t *testing.T) {
tests := []struct {
name string
set1 []string
set2 []string
want []string
}{
{
name: "difference with same case",
set1: []string{"Hello", "World", "Test"},
set2: []string{"World", "Data"},
want: []string{"Hello", "Test"},
},
{
name: "difference with different case",
set1: []string{"Hello", "World", "Test"},
set2: []string{"hello", "WORLD"},
want: []string{"Test"},
},
{
name: "difference with non-overlapping set",
set1: []string{"Hello", "World"},
set2: []string{"Test", "Data"},
want: []string{"Hello", "World"},
},
{
name: "difference with empty set",
set1: []string{"Hello", "World"},
set2: []string{},
want: []string{"Hello", "World"},
},
{
name: "difference of empty set",
set1: []string{},
set2: []string{"Hello"},
want: []string{},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s1 := set.NewCaseInsensitive(tt.set1...)
s2 := set.NewCaseInsensitive(tt.set2...)
result := s1.Difference(s2)
got := result.Items()
assert.ElementsMatch(t, tt.want, got, "unexpected difference result")
})
}
}