mirror of https://github.com/portainer/portainer
124 lines
2.4 KiB
Go
124 lines
2.4 KiB
Go
package roar
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import (
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"slices"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestRoar(t *testing.T) {
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r := Roar[int]{}
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require.Equal(t, 0, r.Len())
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r.Add(1)
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require.Equal(t, 1, r.Len())
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require.True(t, r.Contains(1))
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require.False(t, r.Contains(2))
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r.Add(2)
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require.Equal(t, 2, r.Len())
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require.True(t, r.Contains(2))
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r.Remove(1)
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require.Equal(t, 1, r.Len())
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require.False(t, r.Contains(1))
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s := FromSlice([]int{3, 4, 5})
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require.Equal(t, 3, s.Len())
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require.True(t, s.Contains(3))
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require.True(t, s.Contains(4))
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require.True(t, s.Contains(5))
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r.Union(s)
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require.Equal(t, 4, r.Len())
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require.True(t, r.Contains(2))
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require.True(t, r.Contains(3))
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require.True(t, r.Contains(4))
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require.True(t, r.Contains(5))
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r.Iterate(func(id int) bool {
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require.True(t, slices.Contains([]int{2, 3, 4, 5}, id))
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return true
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})
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rSlice := r.ToSlice()
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require.Equal(t, []int{2, 3, 4, 5}, rSlice)
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r.Intersection(FromSlice([]int{4}))
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require.Equal(t, 1, r.Len())
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require.True(t, r.Contains(4))
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require.False(t, r.Contains(2))
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require.False(t, r.Contains(3))
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require.False(t, r.Contains(5))
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b, err := r.MarshalJSON()
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require.NoError(t, err)
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require.NotEqual(t, "null", string(b))
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require.True(t, strings.HasPrefix(string(b), `"`))
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require.True(t, strings.HasSuffix(string(b), `"`))
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}
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func TestNilSafety(t *testing.T) {
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var r, s, u Roar[int]
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r.Iterate(func(id int) bool {
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require.Fail(t, "should not iterate over nil Roar")
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return true
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})
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b, err := r.MarshalJSON()
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require.NoError(t, err)
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require.Equal(t, "null", string(b))
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err = r.UnmarshalJSON([]byte("null"))
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require.NoError(t, err)
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require.Equal(t, 0, r.Len())
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r.Contains(1)
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r.Remove(1)
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require.Equal(t, 0, r.Len())
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require.Empty(t, r.ToSlice())
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r.Add(1)
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require.Equal(t, 1, r.Len())
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require.False(t, r.Contains(2))
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s.Union(r)
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require.Equal(t, 1, s.Len())
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require.True(t, s.Contains(1))
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r.Union(u)
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require.Equal(t, 1, r.Len())
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require.True(t, r.Contains(1))
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s.Intersection(u)
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require.Equal(t, 0, s.Len())
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u.Intersection(r)
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require.Equal(t, 0, u.Len())
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}
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func TestJSON(t *testing.T) {
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var r, u Roar[int]
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r.Add(1)
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r.Add(2)
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r.Add(3)
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b, err := r.MarshalJSON()
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require.NoError(t, err)
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require.NotEqual(t, "null", string(b))
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err = u.UnmarshalJSON(b)
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require.NoError(t, err)
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require.Equal(t, 3, u.Len())
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require.True(t, u.Contains(1))
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require.True(t, u.Contains(2))
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require.True(t, u.Contains(3))
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}
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