84 lines
1.7 KiB
Go
84 lines
1.7 KiB
Go
//nolint:forcetypeassert // ok here
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package i2c
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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 TestNewConfig(t *testing.T) {
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// arrange, act
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ci := NewConfig()
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// assert
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c, ok := ci.(*i2cConfig)
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if !ok {
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require.Fail(t, "NewConfig() should have returned a *i2cConfig")
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}
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assert.Equal(t, BusNotInitialized, c.bus)
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assert.Equal(t, AddressNotInitialized, c.address)
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}
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func TestWithBus(t *testing.T) {
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// arrange
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c := NewConfig()
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// act
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c.SetBus(0x23)
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// assert
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assert.Equal(t, 0x23, c.(*i2cConfig).bus)
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}
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func TestWithAddress(t *testing.T) {
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// arrange
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c := NewConfig()
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// act
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c.SetAddress(0x24)
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// assert
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assert.Equal(t, 0x24, c.(*i2cConfig).address)
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}
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func TestGetBusOrDefaultWithBusOption(t *testing.T) {
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tests := map[string]struct {
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init int
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bus int
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want int
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}{
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"not_initialized": {init: -1, bus: 0x25, want: 0x25},
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"initialized": {init: 0x26, bus: 0x27, want: 0x26},
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}
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for name, tc := range tests {
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t.Run(name, func(t *testing.T) {
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// arrange
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c := NewConfig()
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// act
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WithBus(tc.init)(c)
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got := c.GetBusOrDefault(tc.bus)
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// assert
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assert.Equal(t, tc.want, got)
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})
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}
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}
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func TestGetAddressOrDefaultWithAddressOption(t *testing.T) {
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tests := map[string]struct {
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init int
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address int
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want int
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}{
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"not_initialized": {init: -1, address: 0x28, want: 0x28},
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"initialized": {init: 0x29, address: 0x2A, want: 0x29},
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}
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for name, tc := range tests {
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t.Run(name, func(t *testing.T) {
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// arrange
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c := NewConfig()
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// act
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WithAddress(tc.init)(c)
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got := c.GetAddressOrDefault(tc.address)
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// assert
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assert.Equal(t, tc.want, got)
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})
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}
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}
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