79 lines
2.9 KiB
Go
79 lines
2.9 KiB
Go
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package matchers_test
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import (
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"errors"
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"strings"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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. "github.com/onsi/gomega/matchers"
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)
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var _ = Describe("Equal", func() {
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Context("when asserting that nil equals nil", func() {
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It("should error", func() {
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success, err := (&EqualMatcher{Expected: nil}).Match(nil)
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Ω(success).Should(BeFalse())
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Ω(err).Should(HaveOccurred())
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})
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})
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Context("When asserting equality between objects", func() {
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It("should do the right thing", func() {
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Ω(5).Should(Equal(5))
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Ω(5.0).Should(Equal(5.0))
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Ω(5).ShouldNot(Equal("5"))
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Ω(5).ShouldNot(Equal(5.0))
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Ω(5).ShouldNot(Equal(3))
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Ω("5").Should(Equal("5"))
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Ω([]int{1, 2}).Should(Equal([]int{1, 2}))
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Ω([]int{1, 2}).ShouldNot(Equal([]int{2, 1}))
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Ω(map[string]string{"a": "b", "c": "d"}).Should(Equal(map[string]string{"a": "b", "c": "d"}))
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Ω(map[string]string{"a": "b", "c": "d"}).ShouldNot(Equal(map[string]string{"a": "b", "c": "e"}))
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Ω(errors.New("foo")).Should(Equal(errors.New("foo")))
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Ω(errors.New("foo")).ShouldNot(Equal(errors.New("bar")))
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Ω(myCustomType{s: "foo", n: 3, f: 2.0, arr: []string{"a", "b"}}).Should(Equal(myCustomType{s: "foo", n: 3, f: 2.0, arr: []string{"a", "b"}}))
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Ω(myCustomType{s: "foo", n: 3, f: 2.0, arr: []string{"a", "b"}}).ShouldNot(Equal(myCustomType{s: "bar", n: 3, f: 2.0, arr: []string{"a", "b"}}))
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Ω(myCustomType{s: "foo", n: 3, f: 2.0, arr: []string{"a", "b"}}).ShouldNot(Equal(myCustomType{s: "foo", n: 2, f: 2.0, arr: []string{"a", "b"}}))
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Ω(myCustomType{s: "foo", n: 3, f: 2.0, arr: []string{"a", "b"}}).ShouldNot(Equal(myCustomType{s: "foo", n: 3, f: 3.0, arr: []string{"a", "b"}}))
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Ω(myCustomType{s: "foo", n: 3, f: 2.0, arr: []string{"a", "b"}}).ShouldNot(Equal(myCustomType{s: "foo", n: 3, f: 2.0, arr: []string{"a", "b", "c"}}))
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})
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})
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Describe("failure messages", func() {
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It("shows the two strings simply when they are short", func() {
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subject := EqualMatcher{Expected: "eric"}
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failureMessage := subject.FailureMessage("tim")
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Ω(failureMessage).To(BeEquivalentTo(expectedShortStringFailureMessage))
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})
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It("shows the exact point where two long strings differ", func() {
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stringWithB := "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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stringWithZ := "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaazaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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subject := EqualMatcher{Expected: stringWithZ}
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failureMessage := subject.FailureMessage(stringWithB)
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Ω(failureMessage).To(BeEquivalentTo(expectedLongStringFailureMessage))
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})
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})
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})
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var expectedShortStringFailureMessage = strings.TrimSpace(`
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Expected
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<string>: tim
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to equal
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<string>: eric
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`)
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var expectedLongStringFailureMessage = strings.TrimSpace(`
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Expected
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<string>: "...aaaaabaaaaa..."
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to equal |
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<string>: "...aaaaazaaaaa..."
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`)
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