62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
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package gateway
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import (
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"context"
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"net/http"
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"net/http/httputil"
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"net/url"
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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 TestProxyRewrite(t *testing.T) {
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testCases := []struct {
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name string
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url *url.URL
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stripPath string
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in *url.URL
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expected *url.URL
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}{
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{
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name: "SamePathAdded",
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url: &url.URL{Scheme: "http", Host: "backend", Path: "/path1"},
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stripPath: "/strip",
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in: &url.URL{Scheme: "http", Host: "localhost", Path: "/strip/path1"},
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expected: &url.URL{Scheme: "http", Host: "backend", Path: "/path1/path1"},
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},
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{
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name: "NoStripPathInput",
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url: &url.URL{Scheme: "http", Host: "backend"},
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stripPath: "",
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in: &url.URL{Scheme: "http", Host: "localhost", Path: "/strip/path1"},
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expected: &url.URL{Scheme: "http", Host: "backend", Path: "/strip/path1"},
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},
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{
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name: "NoStripPathPresentInReq",
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url: &url.URL{Scheme: "http", Host: "backend"},
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stripPath: "/not-found",
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in: &url.URL{Scheme: "http", Host: "localhost", Path: "/strip/path1"},
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expected: &url.URL{Scheme: "http", Host: "backend", Path: "/strip/path1"},
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},
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}
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for _, tc := range testCases {
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proxy, err := NewProxy(tc.url.String(), tc.stripPath)
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require.NoError(t, err)
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inReq, err := http.NewRequest(http.MethodGet, tc.in.String(), nil)
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require.NoError(t, err)
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proxyReq := &httputil.ProxyRequest{
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In: inReq,
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Out: inReq.Clone(context.Background()),
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}
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proxy.Rewrite(proxyReq)
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assert.Equal(t, tc.expected.Host, proxyReq.Out.URL.Host)
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assert.Equal(t, tc.expected.Scheme, proxyReq.Out.URL.Scheme)
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assert.Equal(t, tc.expected.Path, proxyReq.Out.URL.Path)
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assert.Equal(t, tc.expected.Query(), proxyReq.Out.URL.Query())
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}
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}
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