redis/internal/hscan/hscan_test.go

120 lines
2.9 KiB
Go

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