Function TestParameterSetEqual

internal/postgres/parameters_test.go:102–140

(t *testing.T)

}

func TestParameterSetEqual(t *testing.T) {
	var Nil *ParameterSet
	ps1 := NewParameterSet()
	ps2 := NewParameterSet()

	// nil equals nil, and empty does not equal nil
	assert.Assert(t, Nil.Equal(nil))
	assert.Assert(t, !Nil.Equal(ps1))
	assert.Assert(t, !ps1.Equal(nil))

	// empty equals empty
	assert.Assert(t, ps1.Equal(ps2))
	assert.Assert(t, ps2.Equal(ps1))

	// different keys are not equal
	ps1.Add("a", "b")
	assert.Assert(t, !ps1.Equal(nil))
	assert.Assert(t, !Nil.Equal(ps1))
	assert.Assert(t, !ps1.Equal(ps2))
	assert.Assert(t, !ps2.Equal(ps1))

	// different values are not equal
	ps2.Add("a", "c")
	assert.Assert(t, !ps1.Equal(ps2))
	assert.Assert(t, !ps2.Equal(ps1))

	// normalized keys+values are equal
	ps1.Add("A", "c")
	assert.Assert(t, ps1.Equal(ps2))
	assert.Assert(t, ps2.Equal(ps1))

	// [assert.DeepEqual] can only compare exported fields.
	// When present, the `(T) Equal(T) bool` method is used instead.
	//
	// https://pkg.go.dev/github.com/google/go-cmp/cmp#Equal
	t.Run("DeepEqual", func(t *testing.T) {
		assert.DeepEqual(t, NewParameterSet(), NewParameterSet())
	})
}