ipld-eth-server/vendor/github.com/onsi/gomega/gstruct/fields_test.go
2019-07-23 15:26:18 -05:00

102 lines
3.2 KiB
Go

package gstruct_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gstruct"
)
var _ = Describe("Struct", func() {
allFields := struct{ A, B string }{"a", "b"}
missingFields := struct{ A string }{"a"}
extraFields := struct{ A, B, C string }{"a", "b", "c"}
emptyFields := struct{ A, B string }{}
It("should strictly match all fields", func() {
m := MatchAllFields(Fields{
"B": Equal("b"),
"A": Equal("a"),
})
Expect(allFields).Should(m, "should match all fields")
Expect(missingFields).ShouldNot(m, "should fail with missing fields")
Expect(extraFields).ShouldNot(m, "should fail with extra fields")
Expect(emptyFields).ShouldNot(m, "should fail with empty fields")
m = MatchAllFields(Fields{
"A": Equal("a"),
"B": Equal("fail"),
})
Expect(allFields).ShouldNot(m, "should run nested matchers")
})
It("should handle empty structs", func() {
m := MatchAllFields(Fields{})
Expect(struct{}{}).Should(m, "should handle empty structs")
Expect(allFields).ShouldNot(m, "should fail with extra fields")
})
It("should ignore missing fields", func() {
m := MatchFields(IgnoreMissing, Fields{
"B": Equal("b"),
"A": Equal("a"),
})
Expect(allFields).Should(m, "should match all fields")
Expect(missingFields).Should(m, "should ignore missing fields")
Expect(extraFields).ShouldNot(m, "should fail with extra fields")
Expect(emptyFields).ShouldNot(m, "should fail with empty fields")
})
It("should ignore extra fields", func() {
m := MatchFields(IgnoreExtras, Fields{
"B": Equal("b"),
"A": Equal("a"),
})
Expect(allFields).Should(m, "should match all fields")
Expect(missingFields).ShouldNot(m, "should fail with missing fields")
Expect(extraFields).Should(m, "should ignore extra fields")
Expect(emptyFields).ShouldNot(m, "should fail with empty fields")
})
It("should ignore missing and extra fields", func() {
m := MatchFields(IgnoreMissing|IgnoreExtras, Fields{
"B": Equal("b"),
"A": Equal("a"),
})
Expect(allFields).Should(m, "should match all fields")
Expect(missingFields).Should(m, "should ignore missing fields")
Expect(extraFields).Should(m, "should ignore extra fields")
Expect(emptyFields).ShouldNot(m, "should fail with empty fields")
m = MatchFields(IgnoreMissing|IgnoreExtras, Fields{
"A": Equal("a"),
"B": Equal("fail"),
})
Expect(allFields).ShouldNot(m, "should run nested matchers")
})
It("should produce sensible error messages", func() {
m := MatchAllFields(Fields{
"B": Equal("b"),
"A": Equal("a"),
})
actual := struct{ A, C string }{A: "b", C: "c"}
//Because the order of the constituent errors can't be guaranteed,
//we do a number of checks to make sure everything's included
m.Match(actual)
Expect(m.FailureMessage(actual)).Should(HavePrefix(
"Expected\n <string>: \nto match fields: {\n",
))
Expect(m.FailureMessage(actual)).Should(ContainSubstring(
".A:\n Expected\n <string>: b\n to equal\n <string>: a\n",
))
Expect(m.FailureMessage(actual)).Should(ContainSubstring(
"missing expected field B\n",
))
Expect(m.FailureMessage(actual)).Should(ContainSubstring(
".C:\n unexpected field C: {A:b C:c}",
))
})
})