mirror of https://github.com/go-redis/redis.git
120 lines
2.9 KiB
Go
120 lines
2.9 KiB
Go
package hscan
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import (
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"testing"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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type data struct {
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Omit string `redis:"-"`
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Empty string
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String string `redis:"string"`
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Bytes []byte `redis:"byte"`
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Int int `redis:"int"`
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Uint uint `redis:"uint"`
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Float float32 `redis:"float"`
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Bool bool `redis:"bool"`
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}
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type i []interface{}
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func TestGinkgoSuite(t *testing.T) {
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RegisterFailHandler(Fail)
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RunSpecs(t, "hscan")
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}
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var _ = Describe("Scan", func() {
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It("catches bad args", func() {
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var (
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d data
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)
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Expect(Scan(i{}, i{}, &d)).NotTo(HaveOccurred())
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Expect(d).To(Equal(data{}))
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Expect(Scan(i{"key"}, i{}, &d)).To(HaveOccurred())
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Expect(Scan(i{"key"}, i{"1", "2"}, &d)).To(HaveOccurred())
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Expect(Scan(i{"key", "1"}, i{}, nil)).To(HaveOccurred())
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var m map[string]interface{}
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Expect(Scan(i{"key"}, i{"1"}, &m)).To(HaveOccurred())
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Expect(Scan(i{"key"}, i{"1"}, data{})).To(HaveOccurred())
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Expect(Scan(i{"key", "string"}, i{nil, nil}, data{})).To(HaveOccurred())
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})
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It("scans good values", func() {
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var d data
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// non-tagged fields.
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Expect(Scan(i{"key"}, i{"value"}, &d)).NotTo(HaveOccurred())
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Expect(d).To(Equal(data{}))
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keys := i{"string", "byte", "int", "uint", "float", "bool"}
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vals := i{"str!", "bytes!", "123", "456", "123.456", "1"}
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Expect(Scan(keys, vals, &d)).NotTo(HaveOccurred())
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Expect(d).To(Equal(data{
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String: "str!",
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Bytes: []byte("bytes!"),
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Int: 123,
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Uint: 456,
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Float: 123.456,
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Bool: true,
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}))
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// Scan a different type with the same values to test that
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// the struct spec maps don't conflict.
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type data2 struct {
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String string `redis:"string"`
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Bytes []byte `redis:"byte"`
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Int int `redis:"int"`
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Uint uint `redis:"uint"`
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Float float32 `redis:"float"`
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Bool bool `redis:"bool"`
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}
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var d2 data2
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Expect(Scan(keys, vals, &d2)).NotTo(HaveOccurred())
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Expect(d2).To(Equal(data2{
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String: "str!",
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Bytes: []byte("bytes!"),
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Int: 123,
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Uint: 456,
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Float: 123.456,
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Bool: true,
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}))
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Expect(Scan(i{"string", "float", "bool"}, i{"", "1", "t"}, &d)).NotTo(HaveOccurred())
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Expect(d).To(Equal(data{
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String: "",
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Bytes: []byte("bytes!"),
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Int: 123,
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Uint: 456,
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Float: 1.0,
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Bool: true,
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}))
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})
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It("omits untagged fields", func() {
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var d data
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Expect(Scan(i{"empty", "omit", "string"}, i{"value", "value", "str!"}, &d)).NotTo(HaveOccurred())
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Expect(d).To(Equal(data{
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String: "str!",
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}))
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})
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It("catches bad values", func() {
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var d data
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Expect(Scan(i{"int"}, i{"a"}, &d)).To(HaveOccurred())
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Expect(Scan(i{"uint"}, i{"a"}, &d)).To(HaveOccurred())
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Expect(Scan(i{"uint"}, i{""}, &d)).To(HaveOccurred())
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Expect(Scan(i{"float"}, i{"b"}, &d)).To(HaveOccurred())
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Expect(Scan(i{"bool"}, i{"-1"}, &d)).To(HaveOccurred())
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Expect(Scan(i{"bool"}, i{""}, &d)).To(HaveOccurred())
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Expect(Scan(i{"bool"}, i{"123"}, &d)).To(HaveOccurred())
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})
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})
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