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package spec
import (
"encoding/json"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestExpandCircular_Issue3(t *testing.T) {
jazon, root := expandThisOrDieTrying(t, "fixtures/expansion/overflow.json")
require.NotEmpty(t, jazon)
// circular $ref point to the expanded root document
assertRefInJSON(t, jazon, "#/definitions")
// verify that all $ref can resolved against the new root schema
assertRefResolve(t, jazon, "", root)
// verify that all $ref can be expanded in the new root schema
assertRefExpand(t, jazon, "", root)
}
func TestExpandCircular_RefExpansion(t *testing.T) {
basePath := filepath.Join("fixtures", "expansion", "circularRefs.json")
carsDoc, err := jsonDoc(basePath)
require.NoError(t, err)
spec := new(Swagger)
require.NoError(t, json.Unmarshal(carsDoc, spec))
resolver := defaultSchemaLoader(spec, &ExpandOptions{RelativeBase: basePath}, nil, nil)
schema := spec.Definitions["car"]
_, err = expandSchema(schema, []string{"#/definitions/car"}, resolver, normalizeBase(basePath))
require.NoError(t, err)
jazon := asJSON(t, schema)
// circular $ref point to the expanded root document
// there are only 2 types with circular definitions
assertRefInJSONRegexp(t, jazon, "#/definitions/(car|category)")
// verify that all $ref can resolved against the new root schema
assertRefResolve(t, jazon, "", spec)
// verify that all $ref can be expanded in the new root schema
assertRefExpand(t, jazon, "", spec)
}
func TestExpandCircular_Spec2Expansion(t *testing.T) {
// TODO: assert repeatable results (see commented section below)
fixturePath := filepath.Join("fixtures", "expansion", "circular-minimal.json")
jazon, root := expandThisOrDieTrying(t, fixturePath)
require.NotEmpty(t, jazon)
// circular $ref are not always the same, but they sure are one of the nodes
assertRefInJSONRegexp(t, jazon, `#/definitions/node\d+`)
// circular $ref always resolve against the root
assertRefResolve(t, jazon, "", root)
// assert stripped $ref in result
assert.NotContainsf(t, jazon, "circular-minimal.json#/",
"expected %s to be expanded with stripped circular $ref", fixturePath)
fixturePath = filepath.Join("fixtures", "expansion", "circularSpec2.json")
jazon, root = expandThisOrDieTrying(t, fixturePath)
require.NotEmpty(t, jazon)
// circular $ref resolved against the expanded root document
assertRefInJSON(t, jazon, `#/definitions/`)
// circular $ref always resolve against the root
assertRefResolve(t, jazon, "", root)
// circular $ref can always be further expanded against the root
assertRefExpand(t, jazon, "", root)
assert.NotContainsf(t, jazon, "circularSpec.json#/",
"expected %s to be expanded with stripped circular $ref", fixturePath)
/*
At the moment, the result of expanding circular references is not stable,
when several cycles have intersections:
the spec structure is randomly walked through and mutating as expansion is carried out.
detected cycles in $ref are not necessarily the shortest matches.
This may result in different, functionally correct expanded specs (e.g. with same validations)
for i := 0; i < 1; i++ {
bbb := expandThisOrDieTrying(t, fixturePath)
t.Log(bbb)
if !assert.JSONEqf(t, jazon, bbb, "on iteration %d, we should have stable expanded spec", i) {
t.FailNow()
return
}
}
*/
}
func TestExpandCircular_MoreCircular(t *testing.T) {
// Additional testcase for circular $ref (from go-openapi/validate):
// - $ref with file = current file
// - circular is located in remote file
//
// There are 4 variants to run:
// - with/without $ref with local file (so its not really remote)
// - with circular in a schema in #/responses
// - with circular in a schema in #/parameters
fixturePath := filepath.Join("fixtures", "more_circulars", "spec.json")
jazon, root := expandThisOrDieTrying(t, fixturePath)
require.NotEmpty(t, jazon)
assertRefInJSON(t, jazon, "item.json#/item")
assertRefResolve(t, jazon, "", root, &ExpandOptions{RelativeBase: fixturePath})
fixturePath = filepath.Join("fixtures", "more_circulars", "spec2.json")
jazon, root = expandThisOrDieTrying(t, fixturePath)
require.NotEmpty(t, jazon)
assertRefInJSON(t, jazon, "item2.json#/item")
assertRefResolve(t, jazon, "", root, &ExpandOptions{RelativeBase: fixturePath})
fixturePath = filepath.Join("fixtures", "more_circulars", "spec3.json")
jazon, root = expandThisOrDieTrying(t, fixturePath)
require.NotEmpty(t, jazon)
assertRefInJSON(t, jazon, "item.json#/item")
assertRefResolve(t, jazon, "", root, &ExpandOptions{RelativeBase: fixturePath})
fixturePath = filepath.Join("fixtures", "more_circulars", "spec4.json")
jazon, root = expandThisOrDieTrying(t, fixturePath)
require.NotEmpty(t, jazon)
assertRefInJSON(t, jazon, "item4.json#/item")
assertRefResolve(t, jazon, "", root, &ExpandOptions{RelativeBase: fixturePath})
}
func TestExpandCircular_Issue957(t *testing.T) {
fixturePath := filepath.Join("fixtures", "bugs", "957", "fixture-957.json")
jazon, root := expandThisOrDieTrying(t, fixturePath)
require.NotEmpty(t, jazon)
require.NotContainsf(t, jazon, "fixture-957.json#/",
"expected %s to be expanded with stripped circular $ref", fixturePath)
assertRefInJSON(t, jazon, "#/definitions/")
assertRefResolve(t, jazon, "", root)
assertRefExpand(t, jazon, "", root)
}
func TestExpandCircular_Bitbucket(t *testing.T) {
// Additional testcase for circular $ref (from bitbucket api)
fixturePath := filepath.Join("fixtures", "more_circulars", "bitbucket.json")
jazon, root := expandThisOrDieTrying(t, fixturePath)
require.NotEmpty(t, jazon)
assertRefInJSON(t, jazon, "#/definitions/")
assertRefResolve(t, jazon, "", root)
assertRefExpand(t, jazon, "", root)
}
func TestExpandCircular_ResponseWithRoot(t *testing.T) {
rootDoc := new(Swagger)
b, err := os.ReadFile(filepath.Join("fixtures", "more_circulars", "resp.json"))
require.NoError(t, err)
require.NoError(t, json.Unmarshal(b, rootDoc))
path := rootDoc.Paths.Paths["/api/v1/getx"]
resp := path.Post.Responses.StatusCodeResponses[200]
thisCache := cacheOrDefault(nil)
// during the first response expand, refs are getting expanded,
// so the following expands cannot properly resolve them w/o the document.
// this happens in validator.Validate() when different validators try to expand the same mutable response.
require.NoError(t, ExpandResponseWithRoot(&resp, rootDoc, thisCache))
jazon := asJSON(t, resp)
assertRefInJSON(t, jazon, "#/definitions/MyObj")
// do it again
require.NoError(t, ExpandResponseWithRoot(&resp, rootDoc, thisCache))
jazon = asJSON(t, resp)
assertRefInJSON(t, jazon, "#/definitions/MyObj")
}
func TestExpandCircular_Issue415(t *testing.T) {
jazon, root := expandThisOrDieTrying(t, filepath.Join("fixtures", "expansion", "clickmeter.json"))
require.NotEmpty(t, jazon)
assertRefInJSON(t, jazon, "#/definitions/")
assertRefResolve(t, jazon, "", root)
assertRefExpand(t, jazon, "", root)
}
func TestExpandCircular_SpecExpansion(t *testing.T) {
jazon, root := expandThisOrDieTrying(t, filepath.Join("fixtures", "expansion", "circularSpec.json"))
require.NotEmpty(t, jazon)
assertRefInJSON(t, jazon, "#/definitions/Book")
assertRefResolve(t, jazon, "", root)
assertRefExpand(t, jazon, "", root)
}
func TestExpandCircular_RemoteCircularID(t *testing.T) {
go func() {
err := http.ListenAndServe("localhost:1234", http.FileServer(http.Dir("fixtures/more_circulars/remote"))) //#nosec
if err != nil {
panic(err.Error())
}
}()
time.Sleep(100 * time.Millisecond)
// from json-schema test suite testcase for remote with circular ID
fixturePath := "http://localhost:1234/tree"
jazon, root := expandThisSchemaOrDieTrying(t, fixturePath)
assertRefResolve(t, jazon, "", root, &ExpandOptions{RelativeBase: fixturePath})
assertRefExpand(t, jazon, "", root, &ExpandOptions{RelativeBase: fixturePath})
require.NoError(t, ExpandSchemaWithBasePath(root, nil, &ExpandOptions{}))
jazon = asJSON(t, root)
assertRefInJSONRegexp(t, jazon, "^http://localhost:1234/tree$") // $ref now point to the root doc
// a spec using the previous circular schema
fixtureSpecPath := filepath.Join("fixtures", "more_circulars", "with-id.json")
jazon, doc := expandThisOrDieTrying(t, fixtureSpecPath)
assertRefInJSON(t, jazon, fixturePath) // all remaining $ref's point to the circular ID (http://...)
// ResolveRef fails, because there are some remote $ref, but ResolveRefWithBasePath is successful
assertRefResolve(t, jazon, "", doc, &ExpandOptions{})
assertRefExpand(t, jazon, "", doc)
}
func TestCircular_RemoteExpandAzure(t *testing.T) {
// local copy of : https://raw.githubusercontent.com/Azure/azure-rest-api-specs/master/specification/network/resource-manager/Microsoft.Network/stable/2020-04-01/publicIpAddress.json
server := httptest.NewServer(http.FileServer(http.Dir("fixtures/azure")))
defer server.Close()
basePath := server.URL + "/publicIpAddress.json"
jazon, sch := expandThisOrDieTrying(t, basePath)
// check a pointer with escaped path
pth1, err := ResolvePathItem(sch, MustCreateRef("#/paths/~1subscriptions~1%7BsubscriptionId%7D~1providers~1Microsoft.Network~1publicIPAddresses"), nil)
require.NoError(t, err)
require.NotNil(t, pth1)
// check expected remaining $ref
assertRefInJSONRegexp(t, jazon, `^(#/definitions/)|(networkInterface.json#/definitions/)|(networkSecurityGroup.json#/definitions/)|(network.json#/definitions)|(virtualNetworkTap.json#/definitions/)|(virtualNetwork.json#/definitions/)|(privateEndpoint.json#/definitions/)|(\./examples/)`)
// check all $ref resolve in the expanded root
// (filter out the remaining $ref in x-ms-example extensions, which are not expanded)
t.Run("resolve $ref azure", func(t *testing.T) {
assertRefResolve(t, jazon, `\./example`, sch, &ExpandOptions{RelativeBase: basePath})
})
}