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package gojsondiff_test
import (
. "github.com/yudai/gojsondiff"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/yudai/gojsondiff/tests"
"io/ioutil"
)
var _ = Describe("Gojsondiff", func() {
Describe("Differ", func() {
Describe("CompareObjects", func() {
var (
a, b map[string]interface{}
differ *Differ
)
BeforeEach(func() {
differ = New()
})
Context("There are no difference between the two JSON strings", func() {
It("Detects nothing", func() {
a = LoadFixture("FIXTURES/base.json")
b = LoadFixture("FIXTURES/base.json")
diff := differ.CompareObjects(a, b)
Expect(diff.Modified()).To(BeFalse())
})
})
Context("There are some values modified", func() {
It("Detects changes", func() {
a = LoadFixture("FIXTURES/base.json")
b = LoadFixture("FIXTURES/base_changed.json")
diff := differ.CompareObjects(a, b)
Expect(diff.Modified()).To(BeTrue())
differ.ApplyPatch(a, diff)
Expect(a).To(Equal(LoadFixture("FIXTURES/base_changed.json")))
})
})
Context("There are values only types are changed", func() {
It("Detects changed types", func() {
a := LoadFixture("FIXTURES/changed_types_from.json")
b := LoadFixture("FIXTURES/changed_types_to.json")
diff := differ.CompareObjects(a, b)
differ.ApplyPatch(a, diff)
Expect(a).To(Equal(LoadFixture("FIXTURES/changed_types_to.json")))
})
})
Context("There is a moved item in an array", func() {
It("Detects changed types", func() {
a := LoadFixture("FIXTURES/move_from.json")
b := LoadFixture("FIXTURES/move_to.json")
diff := differ.CompareObjects(a, b)
Expect(diff.Modified()).To(BeTrue())
differ.ApplyPatch(a, diff)
Expect(a).To(Equal(LoadFixture("FIXTURES/move_to.json")))
})
})
Context("There are long text diff", func() {
It("Detects changes", func() {
a = LoadFixture("FIXTURES/long_text_from.json")
b = LoadFixture("FIXTURES/long_text_to.json")
diff := differ.CompareObjects(a, b)
Expect(diff.Modified()).To(BeTrue())
differ.ApplyPatch(a, diff)
Expect(a).To(Equal(LoadFixture("FIXTURES/long_text_to.json")))
})
})
})
Describe("CompareArrays", func() {
var (
a, b []interface{}
differ *Differ
)
BeforeEach(func() {
differ = New()
})
Context("There are no difference between the two JSON strings", func() {
It("Detects nothing", func() {
a = LoadFixtureAsArray("FIXTURES/array.json")
b = LoadFixtureAsArray("FIXTURES/array.json")
diff := differ.CompareArrays(a, b)
Expect(diff.Modified()).To(BeFalse())
})
})
Context("There are some values modified", func() {
It("Detects changes", func() {
a = LoadFixtureAsArray("FIXTURES/array.json")
b = LoadFixtureAsArray("FIXTURES/array_changed.json")
diff := differ.CompareArrays(a, b)
Expect(diff.Modified()).To(BeTrue())
Expect(len(diff.Deltas())).To(Equal(1))
})
})
})
Describe("Compare", func() {
Context("There are some values modified", func() {
It("Detects changes", func() {
aFile := "FIXTURES/base.json"
bFile := "FIXTURES/base_changed.json"
aObj := LoadFixture(aFile)
bObj := LoadFixture(bFile)
differ := New()
diffObj := differ.CompareObjects(aObj, bObj)
Expect(diffObj.Modified()).To(BeTrue())
aStr, err := ioutil.ReadFile(aFile)
Expect(err).To(BeNil())
bStr, err := ioutil.ReadFile(bFile)
Expect(err).To(BeNil())
diffStr, err := differ.Compare(aStr, bStr)
Expect(err).To(BeNil())
Expect(diffStr).To(Equal(diffObj))
})
})
})
})
})
|
