package resolver

import (
    "github.com/pb33f/libopenapi/index"
    "github.com/stretchr/testify/assert"
    "gopkg.in/yaml.v3"
    "io/ioutil"
    "testing"
)

func TestNewResolver(t *testing.T) {
    assert.Nil(t, NewResolver(nil))
}

func Benchmark_ResolveDocumentStripe(b *testing.B) {
    stripe, _ := ioutil.ReadFile("../test_specs/stripe.yaml")
    for n := 0; n < b.N; n++ {
        var rootNode yaml.Node
        yaml.Unmarshal(stripe, &rootNode)
        index := index.NewSpecIndex(&rootNode)
        resolver := NewResolver(index)
        resolver.Resolve()
    }
}

func TestResolver_ResolveComponents_CircularSpec(t *testing.T) {

    circular, _ := ioutil.ReadFile("../test_specs/circular-tests.yaml")
    var rootNode yaml.Node
    yaml.Unmarshal(circular, &rootNode)

    index := index.NewSpecIndex(&rootNode)

    resolver := NewResolver(index)
    assert.NotNil(t, resolver)

    circ := resolver.Resolve()
    assert.Len(t, circ, 3)

    _, err := yaml.Marshal(resolver.resolvedRoot)
    assert.NoError(t, err)
}

func TestResolver_ResolveComponents_Stripe(t *testing.T) {

    stripe, _ := ioutil.ReadFile("../test_specs/stripe.yaml")
    var rootNode yaml.Node
    yaml.Unmarshal(stripe, &rootNode)

    index := index.NewSpecIndex(&rootNode)

    resolver := NewResolver(index)
    assert.NotNil(t, resolver)

    circ := resolver.Resolve()
    assert.Len(t, circ, 0)

}

func TestResolver_ResolveComponents_MixedRef(t *testing.T) {

    mixedref, _ := ioutil.ReadFile("../test_specs/mixedref-burgershop.openapi.yaml")
    var rootNode yaml.Node
    yaml.Unmarshal(mixedref, &rootNode)

    index := index.NewSpecIndex(&rootNode)

    resolver := NewResolver(index)
    assert.NotNil(t, resolver)

    circ := resolver.Resolve()
    assert.Len(t, circ, 2)

}

func TestResolver_ResolveComponents_k8s(t *testing.T) {

    k8s, _ := ioutil.ReadFile("../test_specs/k8s.json")
    var rootNode yaml.Node
    yaml.Unmarshal(k8s, &rootNode)

    index := index.NewSpecIndex(&rootNode)

    resolver := NewResolver(index)
    assert.NotNil(t, resolver)

    circ := resolver.Resolve()
    assert.Len(t, circ, 0)
}