Function TestDefaultBinder_BindToStructFromMixedSources

bind_test.go:761–930

(t *testing.T)

}

func TestDefaultBinder_BindToStructFromMixedSources(t *testing.T) {
	// tests to check binding behaviour when multiple sources (path params, query params and request body) are in use
	// binding is done in steps and one source could overwrite previous source bound data
	// these tests are to document this behaviour and detect further possible regressions when bind implementation is changed

	type Opts struct {
		Node string `json:"node" form:"node" query:"node" param:"node"`
		Lang string
		ID   int `json:"id" form:"id" query:"id"`
	}

	var testCases = []struct {
		givenContent     io.Reader
		whenBindTarget   any
		expect           any
		name             string
		givenURL         string
		givenMethod      string
		expectError      string
		whenNoPathValues bool
	}{
		{
			name:         "ok, POST bind to struct with: path param + query param + body",
			givenMethod:  http.MethodPost,
			givenURL:     "/api/real_node/endpoint?node=xxx",
			givenContent: strings.NewReader(`{"id": 1}`),
			expect:       &Opts{ID: 1, Node: "node_from_path"}, // query params are not used, node is filled from path
		},
		{
			name:         "ok, PUT bind to struct with: path param + query param + body",
			givenMethod:  http.MethodPut,
			givenURL:     "/api/real_node/endpoint?node=xxx",
			givenContent: strings.NewReader(`{"id": 1}`),
			expect:       &Opts{ID: 1, Node: "node_from_path"}, // query params are not used
		},
		{
			name:         "ok, GET bind to struct with: path param + query param + body",
			givenMethod:  http.MethodGet,
			givenURL:     "/api/real_node/endpoint?node=xxx",
			givenContent: strings.NewReader(`{"id": 1}`),
			expect:       &Opts{ID: 1, Node: "xxx"}, // query overwrites previous path value
		},
		{
			name:         "ok, GET bind to struct with: path param + query param + body",
			givenMethod:  http.MethodGet,
			givenURL:     "/api/real_node/endpoint?node=xxx",
			givenContent: strings.NewReader(`{"id": 1, "node": "zzz"}`),
			expect:       &Opts{ID: 1, Node: "zzz"}, // body is bound last and overwrites previous (path,query) values
		},
		{
			name:         "ok, DELETE bind to struct with: path param + query param + body",
			givenMethod:  http.MethodDelete,
			givenURL:     "/api/real_node/endpoint?node=xxx",
			givenContent: strings.NewReader(`{"id": 1, "node": "zzz"}`),
			expect:       &Opts{ID: 1, Node: "zzz"}, // for DELETE body is bound after query params
		},
		{
			name:         "ok, POST bind to struct with: path param + body",