mirror of
https://github.com/LukeHagar/libopenapi.git
synced 2025-12-06 12:37:49 +00:00
Also ran `gofmt` across the entire project. Things need cleaning up. Signed-off-by: Dave Shanley <dave@quobix.com>
342 lines
9.1 KiB
Go
342 lines
9.1 KiB
Go
package resolver
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"net/url"
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"testing"
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"github.com/pb33f/libopenapi/index"
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"github.com/stretchr/testify/assert"
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"gopkg.in/yaml.v3"
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)
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func TestNewResolver(t *testing.T) {
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assert.Nil(t, NewResolver(nil))
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}
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func Benchmark_ResolveDocumentStripe(b *testing.B) {
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stripe, _ := ioutil.ReadFile("../test_specs/stripe.yaml")
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for n := 0; n < b.N; n++ {
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var rootNode yaml.Node
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yaml.Unmarshal(stripe, &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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resolver.Resolve()
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}
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}
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func TestResolver_ResolveComponents_CircularSpec(t *testing.T) {
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circular, _ := ioutil.ReadFile("../test_specs/circular-tests.yaml")
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var rootNode yaml.Node
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yaml.Unmarshal(circular, &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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circ := resolver.Resolve()
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assert.Len(t, circ, 3)
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_, err := yaml.Marshal(resolver.resolvedRoot)
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assert.NoError(t, err)
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}
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func TestResolver_CheckForCircularReferences(t *testing.T) {
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circular, _ := ioutil.ReadFile("../test_specs/circular-tests.yaml")
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var rootNode yaml.Node
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yaml.Unmarshal(circular, &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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circ := resolver.CheckForCircularReferences()
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assert.Len(t, circ, 3)
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assert.Len(t, resolver.GetResolvingErrors(), 3)
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assert.Len(t, resolver.GetCircularErrors(), 3)
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_, err := yaml.Marshal(resolver.resolvedRoot)
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assert.NoError(t, err)
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}
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func TestResolver_CheckForCircularReferences_DigitalOcean(t *testing.T) {
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circular, _ := ioutil.ReadFile("../test_specs/digitalocean.yaml")
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var rootNode yaml.Node
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yaml.Unmarshal(circular, &rootNode)
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baseURL, _ := url.Parse("https://raw.githubusercontent.com/digitalocean/openapi/main/specification")
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index := index.NewSpecIndexWithConfig(&rootNode, &index.SpecIndexConfig{
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AllowRemoteLookup: true,
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AllowFileLookup: true,
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BaseURL: baseURL,
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})
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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circ := resolver.CheckForCircularReferences()
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assert.Len(t, circ, 0)
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assert.Len(t, resolver.GetResolvingErrors(), 0)
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assert.Len(t, resolver.GetCircularErrors(), 0)
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_, err := yaml.Marshal(resolver.resolvedRoot)
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assert.NoError(t, err)
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}
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func TestResolver_CircularReferencesRequiredValid(t *testing.T) {
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circular, _ := ioutil.ReadFile("../test_specs/swagger-valid-recursive-model.yaml")
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var rootNode yaml.Node
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yaml.Unmarshal(circular, &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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circ := resolver.CheckForCircularReferences()
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assert.Len(t, circ, 0)
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_, err := yaml.Marshal(resolver.resolvedRoot)
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assert.NoError(t, err)
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}
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func TestResolver_CircularReferencesRequiredInvalid(t *testing.T) {
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circular, _ := ioutil.ReadFile("../test_specs/swagger-invalid-recursive-model.yaml")
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var rootNode yaml.Node
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yaml.Unmarshal(circular, &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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circ := resolver.CheckForCircularReferences()
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assert.Len(t, circ, 2)
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_, err := yaml.Marshal(resolver.resolvedRoot)
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assert.NoError(t, err)
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}
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func TestResolver_DeepJourney(t *testing.T) {
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var journey []*index.Reference
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for f := 0; f < 200; f++ {
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journey = append(journey, nil)
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}
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index := index.NewSpecIndex(nil)
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resolver := NewResolver(index)
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assert.Nil(t, resolver.extractRelatives(nil, nil, journey, false))
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}
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func TestResolver_ResolveComponents_Stripe(t *testing.T) {
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stripe, _ := ioutil.ReadFile("../test_specs/stripe.yaml")
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var rootNode yaml.Node
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yaml.Unmarshal(stripe, &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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circ := resolver.Resolve()
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assert.Len(t, circ, 3)
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assert.Len(t, resolver.GetNonPolymorphicCircularErrors(), 3)
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assert.Len(t, resolver.GetPolymorphicCircularErrors(), 0)
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}
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func TestResolver_ResolveComponents_BurgerShop(t *testing.T) {
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mixedref, _ := ioutil.ReadFile("../test_specs/burgershop.openapi.yaml")
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var rootNode yaml.Node
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yaml.Unmarshal(mixedref, &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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circ := resolver.Resolve()
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assert.Len(t, circ, 0)
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}
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func TestResolver_ResolveComponents_PolyNonCircRef(t *testing.T) {
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yml := `paths:
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/hey:
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get:
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responses:
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"200":
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$ref: '#/components/schemas/crackers'
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components:
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schemas:
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cheese:
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description: cheese
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anyOf:
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items:
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$ref: '#/components/schemas/crackers'
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crackers:
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description: crackers
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allOf:
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- $ref: '#/components/schemas/tea'
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tea:
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description: tea`
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var rootNode yaml.Node
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yaml.Unmarshal([]byte(yml), &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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circ := resolver.CheckForCircularReferences()
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assert.Len(t, circ, 0)
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}
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func TestResolver_ResolveComponents_PolyCircRef(t *testing.T) {
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yml := `openapi: 3.1.0
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components:
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schemas:
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cheese:
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description: cheese
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anyOf:
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- $ref: '#/components/schemas/crackers'
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crackers:
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description: crackers
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anyOf:
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- $ref: '#/components/schemas/cheese'
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tea:
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description: tea`
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var rootNode yaml.Node
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yaml.Unmarshal([]byte(yml), &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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_ = resolver.CheckForCircularReferences()
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resolver.circularReferences[0].IsInfiniteLoop = true // override
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assert.Len(t, index.GetCircularReferences(), 1)
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assert.Len(t, resolver.GetPolymorphicCircularErrors(), 1)
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assert.Equal(t, 2, index.GetCircularReferences()[0].LoopIndex)
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}
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func TestResolver_ResolveComponents_Missing(t *testing.T) {
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yml := `paths:
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/hey:
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get:
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responses:
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"200":
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$ref: '#/components/schemas/crackers'
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components:
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schemas:
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cheese:
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description: cheese
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properties:
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thang:
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$ref: '#/components/schemas/crackers'
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crackers:
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description: crackers
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properties:
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butter:
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$ref: 'go home, I am drunk'`
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var rootNode yaml.Node
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yaml.Unmarshal([]byte(yml), &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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err := resolver.Resolve()
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assert.Len(t, err, 1)
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assert.Equal(t, "cannot resolve reference `go home, I am drunk`, it's missing: $go home, I am drunk [18:11]", err[0].Error())
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}
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func TestResolver_ResolveComponents_MixedRef(t *testing.T) {
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mixedref, _ := ioutil.ReadFile("../test_specs/mixedref-burgershop.openapi.yaml")
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var rootNode yaml.Node
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yaml.Unmarshal(mixedref, &rootNode)
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b := index.CreateOpenAPIIndexConfig()
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idx := index.NewSpecIndexWithConfig(&rootNode, b)
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resolver := NewResolver(idx)
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assert.NotNil(t, resolver)
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circ := resolver.Resolve()
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assert.Len(t, circ, 0)
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assert.Equal(t, 5, resolver.GetIndexesVisited())
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// in v0.8.2 a new check was added when indexing, to prevent re-indexing the same file multiple times.
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assert.Equal(t, 191, resolver.GetRelativesSeen())
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assert.Equal(t, 35, resolver.GetJourneysTaken())
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assert.Equal(t, 62, resolver.GetReferenceVisited())
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}
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func TestResolver_ResolveComponents_k8s(t *testing.T) {
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k8s, _ := ioutil.ReadFile("../test_specs/k8s.json")
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var rootNode yaml.Node
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yaml.Unmarshal(k8s, &rootNode)
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index := index.NewSpecIndex(&rootNode)
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resolver := NewResolver(index)
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assert.NotNil(t, resolver)
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circ := resolver.Resolve()
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assert.Len(t, circ, 0)
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}
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// Example of how to resolve the Stripe OpenAPI specification, and check for circular reference errors
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func ExampleNewResolver() {
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// create a yaml.Node reference as a root node.
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var rootNode yaml.Node
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// load in the Stripe OpenAPI spec (lots of polymorphic complexity in here)
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stripeBytes, _ := ioutil.ReadFile("../test_specs/stripe.yaml")
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// unmarshal bytes into our rootNode.
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_ = yaml.Unmarshal(stripeBytes, &rootNode)
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// create a new spec index (resolver depends on it)
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indexConfig := index.CreateClosedAPIIndexConfig()
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index := index.NewSpecIndexWithConfig(&rootNode, indexConfig)
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// create a new resolver using the index.
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resolver := NewResolver(index)
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// resolve the document, if there are circular reference errors, they are returned/
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// WARNING: this is a destructive action and the rootNode will be PERMANENTLY altered and cannot be unresolved
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circularErrors := resolver.Resolve()
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// The Stripe API has a bunch of circular reference problems, mainly from polymorphism.
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// So let's print them out.
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//
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fmt.Printf("There are %d circular reference errors, %d of them are polymorphic errors, %d are not",
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len(circularErrors), len(resolver.GetPolymorphicCircularErrors()), len(resolver.GetNonPolymorphicCircularErrors()))
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// Output: There are 3 circular reference errors, 0 of them are polymorphic errors, 3 are not
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}
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func ExampleResolvingError() {
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re := ResolvingError{
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ErrorRef: errors.New("Je suis une erreur"),
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Node: &yaml.Node{
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Line: 5,
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Column: 21,
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},
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Path: "#/definitions/JeSuisUneErreur",
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CircularReference: &index.CircularReferenceResult{},
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}
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fmt.Printf("%s", re.Error())
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// Output: Je suis une erreur: #/definitions/JeSuisUneErreur [5:21]
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}
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