128 lines
3 KiB
Go
128 lines
3 KiB
Go
package middleware
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import (
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"context"
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"net/http"
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"testing"
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"github.com/containous/traefik/config"
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"github.com/stretchr/testify/require"
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)
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func TestMiddlewaresRegistry_BuildMiddlewareCircuitBreaker(t *testing.T) {
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testConfig := map[string]*config.Middleware{
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"empty": {
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CircuitBreaker: &config.CircuitBreaker{
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Expression: "",
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},
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},
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"foo": {
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CircuitBreaker: &config.CircuitBreaker{
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Expression: "NetworkErrorRatio() > 0.5",
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},
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},
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}
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middlewaresBuilder := NewBuilder(testConfig, nil)
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emptyHandler := http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {})
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testCases := []struct {
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desc string
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middlewareID string
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expectedError bool
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}{
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{
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desc: "Should fail at creating a circuit breaker with an empty expression",
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expectedError: true,
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middlewareID: "empty",
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}, {
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desc: "Should create a circuit breaker with a valid expression",
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expectedError: false,
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middlewareID: "foo",
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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constructor, err := middlewaresBuilder.buildConstructor(context.Background(), test.middlewareID, *testConfig[test.middlewareID])
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require.NoError(t, err)
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middleware, err2 := constructor(emptyHandler)
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if test.expectedError {
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require.Error(t, err2)
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} else {
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require.NoError(t, err)
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require.NotNil(t, middleware)
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}
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})
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}
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}
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func TestMiddlewaresRegistry_BuildChainNilConfig(t *testing.T) {
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testConfig := map[string]*config.Middleware{
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"empty": {},
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}
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middlewaresBuilder := NewBuilder(testConfig, nil)
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chain, err := middlewaresBuilder.BuildChain(context.Background(), []string{"empty"})
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require.NoError(t, err)
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_, err = chain.Then(nil)
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require.NoError(t, err)
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}
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func TestMiddlewaresRegistry_BuildMiddlewareAddPrefix(t *testing.T) {
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testConfig := map[string]*config.Middleware{
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"empty": {
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AddPrefix: &config.AddPrefix{
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Prefix: "",
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},
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},
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"foo": {
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AddPrefix: &config.AddPrefix{
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Prefix: "foo/",
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},
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},
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}
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middlewaresBuilder := NewBuilder(testConfig, nil)
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testCases := []struct {
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desc string
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middlewareID string
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expectedError bool
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}{
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{
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desc: "Should not create an emty AddPrefix middleware when given an empty prefix",
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middlewareID: "empty",
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expectedError: true,
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}, {
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desc: "Should create an AddPrefix middleware when given a valid configuration",
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middlewareID: "foo",
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expectedError: false,
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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constructor, err := middlewaresBuilder.buildConstructor(context.Background(), test.middlewareID, *testConfig[test.middlewareID])
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require.NoError(t, err)
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middleware, err2 := constructor(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {}))
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if test.expectedError {
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require.Error(t, err2)
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} else {
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require.NoError(t, err)
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require.NotNil(t, middleware)
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}
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})
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}
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}
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