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|
package jsonapi
import (
"encoding/json"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("JSONAPI Struct tests", func() {
Context("Testing array and object data payload", func() {
It("detects object payload", func() {
sampleJSON := `{
"data": {
"type": "test",
"id": "1",
"attributes": {"foo": "bar"},
"relationships": {
"author": {
"data": {"type": "author", "id": "1"}
}
}
}
}`
expectedData := &Data{
Type: "test",
ID: "1",
Attributes: json.RawMessage([]byte(`{"foo": "bar"}`)),
Relationships: map[string]Relationship{
"author": {
Data: &RelationshipDataContainer{
DataObject: &RelationshipData{
Type: "author",
ID: "1",
},
},
},
},
}
target := Document{}
err := json.Unmarshal([]byte(sampleJSON), &target)
Expect(err).ToNot(HaveOccurred())
Expect(target.Data.DataObject).To(Equal(expectedData))
})
It("detects array payload", func() {
sampleJSON := `{
"data": [
{
"type": "test",
"id": "1",
"attributes": {"foo": "bar"},
"relationships": {
"comments": {
"data": [
{"type": "comments", "id": "1"},
{"type": "comments", "id": "2"}
]
}
}
}
]
}`
expectedData := Data{
Type: "test",
ID: "1",
Attributes: json.RawMessage([]byte(`{"foo": "bar"}`)),
Relationships: map[string]Relationship{
"comments": {
Data: &RelationshipDataContainer{
DataArray: []RelationshipData{
{
Type: "comments",
ID: "1",
},
{
Type: "comments",
ID: "2",
},
},
},
},
},
}
target := Document{}
err := json.Unmarshal([]byte(sampleJSON), &target)
Expect(err).ToNot(HaveOccurred())
Expect(target.Data.DataArray).To(Equal([]Data{expectedData}))
})
})
It("return an error for invalid relationship data format", func() {
sampleJSON := `
{
"data": [
{
"type": "test",
"id": "1",
"attributes": {"foo": "bar"},
"relationships": {
"comments": {
"data": "foo"
}
}
}
]
}`
target := Document{}
err := json.Unmarshal([]byte(sampleJSON), &target)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(Equal("Invalid json for relationship data array/object"))
})
It("creates an empty slice for empty to-many relationships and nil for empty toOne", func() {
sampleJSON := `{
"data": [
{
"type": "test",
"id": "1",
"attributes": {"foo": "bar"},
"relationships": {
"comments": {
"data": []
},
"author": {
"data": null
}
}
}
]
}`
expectedData := Data{
Type: "test",
ID: "1",
Attributes: json.RawMessage([]byte(`{"foo": "bar"}`)),
Relationships: map[string]Relationship{
"comments": {
Data: &RelationshipDataContainer{
DataArray: []RelationshipData{},
},
},
"author": {
Data: nil,
},
},
}
target := Document{}
err := json.Unmarshal([]byte(sampleJSON), &target)
Expect(err).ToNot(HaveOccurred())
Expect(target.Data.DataArray).To(Equal([]Data{expectedData}))
})
Context("Marshal and Unmarshal link structs", func() {
It("marshals to a string with no metadata", func() {
link := Link{Href: "test link"}
ret, err := json.Marshal(&link)
Expect(err).ToNot(HaveOccurred())
Expect(ret).To(MatchJSON(`"test link"`))
})
It("marshals to an object with metadata", func() {
link := Link{
Href: "test link",
Meta: map[string]interface{}{
"test": "data",
},
}
ret, err := json.Marshal(&link)
Expect(err).ToNot(HaveOccurred())
Expect(ret).To(MatchJSON(`{
"href": "test link",
"meta": {"test": "data"}
}`))
})
It("unmarshals from a string", func() {
expected := Link{Href: "test link"}
target := Link{}
err := json.Unmarshal([]byte(`"test link"`), &target)
Expect(err).ToNot(HaveOccurred())
Expect(target).To(Equal(expected))
})
It("unmarshals from an object", func() {
expected := Link{
Href: "test link",
Meta: map[string]interface{}{
"test": "data",
},
}
target := Link{}
err := json.Unmarshal([]byte(`{
"href": "test link",
"meta": {"test": "data"}
}`), &target)
Expect(err).ToNot(HaveOccurred())
Expect(target).To(Equal(expected))
})
It("unmarshals with an error when href is missing", func() {
err := json.Unmarshal([]byte(`{}`), &Link{})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(Equal(`link object expects a "href" key`))
})
It("unmarshals with an error for syntax error", func() {
badPayloads := []string{`{`, `"`}
for _, payload := range badPayloads {
err := json.Unmarshal([]byte(payload), &Link{})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(Equal("unexpected end of JSON input"))
}
})
It("unmarshals with an error for wrong types", func() {
badPayloads := []string{`null`, `13`, `[]`}
for _, payload := range badPayloads {
err := json.Unmarshal([]byte(payload), &Link{})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(Equal("expected a JSON encoded string or object"))
}
})
})
})
|
