/
errors_test.go
228 lines (186 loc) · 6.68 KB
/
errors_test.go
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package errors_test
import (
syserr "errors"
"strings"
. "github.com/onsi/ginkgo/extensions/table"
. "github.com/onsi/gomega"
"github.com/redforks/errors"
. "github.com/onsi/ginkgo"
)
var _ = Describe("errors", func() {
assertError := func(e *errors.Error, msg string, causedBy errors.CausedBy) {
Ω(e.Error()).Should(Equal(msg))
Ω(e.Code().Caused()).Should(Equal(causedBy))
}
Context("Wrap error", func() {
cases := []TableEntry{
Entry("Bug", errors.ByBug, errors.NewBug),
Entry("Runtime", errors.ByRuntime, errors.NewRuntime),
Entry("External", errors.ByExternal, errors.NewExternal),
Entry("Input", errors.ByInput, errors.NewInput),
Entry("ClientBug", errors.ByClientBug, errors.NewClientBug),
}
DescribeTable("not nil", func(causedBy errors.CausedBy, fn func(err error) *errors.Error) {
assertError(fn(syserr.New("foo")), "foo", causedBy)
}, cases...)
DescribeTable("nil", func(causedBy errors.CausedBy, fn func(err error) *errors.Error) {
Ω(fn(nil)).Should(BeNil())
}, cases...)
DescribeTable("Rewrap", func(cause errors.CausedBy, fn func(err error) *errors.Error) {
alter := errors.ByRuntime
if cause == errors.ByRuntime {
alter = errors.ByBug
}
e := errors.Caused(alter, "foo")
e = fn(e)
Ω(e.Error()).Should(Equal("foo"))
Ω(e.Code().Caused()).Should(Equal(cause))
}, cases...)
})
Context("From error text", func() {
DescribeTable("without format", func(causedBy errors.CausedBy, fn func(msg string) *errors.Error) {
assertError(fn("foo"), "foo", causedBy)
},
Entry("New", errors.ByBug, errors.New),
Entry("Bug", errors.ByBug, errors.Bug),
Entry("Runtime", errors.ByRuntime, errors.Runtime),
Entry("External", errors.ByExternal, errors.External),
Entry("Input", errors.ByInput, errors.Input),
Entry("ClientBug", errors.ByClientBug, errors.ClientBug),
)
DescribeTable("with format", func(causedBy errors.CausedBy, fn func(text string, a ...interface{}) *errors.Error) {
assertError(fn("foo %s", "bar"), "foo bar", causedBy)
},
Entry("Bug", errors.ByBug, errors.Bugf),
Entry("Runtime", errors.ByRuntime, errors.Runtimef),
Entry("External", errors.ByExternal, errors.Externalf),
Entry("Input", errors.ByInput, errors.Inputf),
Entry("ClientBug", errors.ByClientBug, errors.ClientBugf),
)
})
Context("GetCausedBy", func() {
It("Default to ByBug", func() {
Ω(errors.GetCausedBy(syserr.New("foo"))).Should(Equal(errors.ByBug))
})
It("Error object", func() {
Ω(errors.GetCausedBy(errors.External("foo"))).Should(Equal(errors.ByExternal))
})
It("nil is NoError", func() {
Ω(errors.GetCausedBy(nil)).Should(Equal(errors.NoError))
})
})
Context("GetPanicCausedBy", func() {
It("nil", func() {
Ω(errors.GetPanicCausedBy(nil)).Should(Equal(errors.NoError))
})
It("error", func() {
Ω(errors.GetPanicCausedBy(errors.Input("foo"))).Should(Equal(errors.ByInput))
})
It("Other value", func() {
Ω(errors.GetPanicCausedBy(0)).Should(Equal(errors.ByBug))
})
})
DescribeTable("Caused", func(causedBy errors.CausedBy) {
Ω(errors.Caused(causedBy, "foo").Code().Caused()).Should(Equal(causedBy))
},
Entry("ByInput", errors.ByInput),
Entry("ByBug", errors.ByBug),
Entry("ByExternal", errors.ByExternal),
Entry("ByRuntime", errors.ByRuntime),
)
It("Causedf", func() {
e := errors.Causedf(errors.ByInput, "foo %d", 3)
Ω(e.Code().Caused()).Should(Equal(errors.ByInput))
Ω(e.Error()).Should(Equal("foo 3"))
})
DescribeTable("NewCaused", func(causedBy errors.CausedBy) {
e := syserr.New("foo")
er := errors.NewCaused(causedBy, e)
Ω(er.Code().Caused()).Should(Equal(causedBy))
Ω(er.Error()).Should(Equal("foo"))
},
Entry("ByInput", errors.ByInput),
Entry("ByBug", errors.ByBug),
Entry("ByExternal", errors.ByExternal),
Entry("ByRuntime", errors.ByRuntime),
Entry("ByClientBug", errors.ByClientBug),
)
DescribeTable("stacktrace", func(e *errors.Error) {
stack := e.Stack()
Ω(stack).Should(ContainSubstring("errors_test.go"))
Ω(stack).ShouldNot(ContainSubstring("errors.go"))
},
Entry("New", errors.New("foo")),
Entry("NewBug", errors.NewBug(syserr.New("foo"))),
Entry("NewRuntime", errors.NewRuntime(syserr.New("foo"))),
Entry("NewExternal", errors.NewExternal(syserr.New("foo"))),
Entry("NewInput", errors.NewInput(syserr.New("foo"))),
Entry("Bug", errors.Bug("foo")),
Entry("Bugf", errors.Bugf("foo, %d", 1)),
Entry("Runtime", errors.Runtime("foo")),
Entry("Runtimef", errors.Runtimef("foo, %d", 1)),
Entry("External", errors.External("foo")),
Entry("Externalf", errors.Externalf("foo, %d", 1)),
Entry("Input", errors.Input("foo")),
Entry("Inputf", errors.Inputf("foo, %d", 1)),
Entry("ClientBug", errors.ClientBugf("foo, %d", 1)),
Entry("Caused", errors.Caused(errors.ByInput, "foo")),
Entry("Causedf", errors.Causedf(errors.ByInput, "foo %d", 1)),
Entry("NewCaused", errors.NewCaused(errors.ByInput, syserr.New("foo"))),
Entry("Wrap", errors.Wrap(errors.ByInput, syserr.New("foo"), "bla")),
Entry("Wrapf", errors.Wrapf(errors.ByInput, syserr.New("foo"), "bla %d", 1)),
)
Context("ErrorStack", func() {
It("Include stack and msg", func() {
e := errors.New("foo")
msg := e.ErrorStack()
Ω(msg).Should(HavePrefix("foo\n"))
Ω(msg).Should(ContainSubstring("errors_test.go"))
Ω(msg).ShouldNot(ContainSubstring("errors.go"))
})
})
Context("ForLog", func() {
It("*Error", func() {
Ω(errors.ForLog(errors.Bug("foo"))).Should(HavePrefix("foo\n"))
})
It("error", func() {
Ω(errors.ForLog(syserr.New("foo"))).Should(Equal("foo"))
})
It("other", func() {
Ω(errors.ForLog(1)).Should(HavePrefix("1\n"))
})
It("inner error", func() {
e := errors.Wrap(errors.ByInput, errors.Bug("foo"), "bar")
s := errors.ForLog(e)
idxBar := strings.Index(s, "bar")
idxFoo := strings.Index(s, "Inner error:\nfoo")
Ω(idxFoo > idxBar).Should(BeTrue())
Ω(idxBar).Should(BeNumerically(">", -1))
Ω(idxFoo).Should(BeNumerically(">", -1))
})
})
Context("Wrap", func() {
It("Wrap", func() {
inner := syserr.New("foo")
e := errors.Wrap(errors.ByBug, inner, "bar")
Ω(e.Error()).Should(Equal("bar"))
Ω(e.Err).Should(Equal(inner))
})
It("Wrapf", func() {
inner := syserr.New("foo")
e := errors.Wrapf(errors.ByBug, inner, "foo %s", "bar")
Ω(e.Error()).Should(Equal("foo bar"))
Ω(e.Err).Should(Equal(inner))
})
It("Wrap any value", func() {
e := errors.Wrap(errors.ByBug, "foo", "bar")
Ω(e.Error()).Should(Equal("bar"))
Ω(e.Err).Should(Equal(syserr.New("foo")))
})
It("Wrapf any value", func() {
e := errors.Wrapf(errors.ByBug, "foo", "foo %s", "bar")
Ω(e.Error()).Should(Equal("foo bar"))
Ω(e.Err).Should(Equal(syserr.New("foo")))
})
})
})