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// Copyright © 2019 The Homeport Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package neat_test
import (
"bufio"
"bytes"
"fmt"
"io"
"os"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/pkg/errors"
. "github.com/gonvenience/bunt"
. "github.com/gonvenience/neat"
"github.com/gonvenience/wrap"
)
var _ = Describe("error rendering", func() {
BeforeEach(func() {
SetColorSettings(ON, ON)
})
AfterEach(func() {
SetColorSettings(AUTO, AUTO)
})
Context("rendering errors", func() {
It("should render a context error using a box", func() {
context := fmt.Sprintf("unable to start %s", "Z")
cause := fmt.Errorf("failed to load X and Y")
err := wrap.Error(cause, context)
Expect(SprintError(err)).To(
BeEquivalentTo(ContentBox(
"Error: "+context,
cause.Error(),
HeadlineColor(OrangeRed),
ContentColor(Red),
)))
})
It("should render to a writer", func() {
buf := bytes.Buffer{}
out := bufio.NewWriter(&buf)
FprintError(out, fmt.Errorf("failed to do X"))
out.Flush()
Expect(buf.String()).To(
BeEquivalentTo(ContentBox(
"Error",
"failed to do X",
HeadlineColor(OrangeRed),
ContentColor(Red),
)))
})
It("should render to stdout, too", func() {
captureStdout := func(f func()) string {
r, w, err := os.Pipe()
Expect(err).ToNot(HaveOccurred())
tmp := os.Stdout
defer func() {
os.Stdout = tmp
}()
os.Stdout = w
f()
w.Close()
var buf bytes.Buffer
_, err = io.Copy(&buf, r)
Expect(err).ToNot(HaveOccurred())
return buf.String()
}
Expect(captureStdout(func() {
PrintError(fmt.Errorf("failed to do X"))
})).To(
BeEquivalentTo(ContentBox(
"Error",
"failed to do X",
HeadlineColor(OrangeRed),
ContentColor(Red),
)))
})
It("should render a context error inside a context error", func() {
root := fmt.Errorf("unable to load X")
cause := wrap.Errorf(root, "failed to start Y")
context := "cannot process Z"
err := wrap.Error(cause, context)
Expect(SprintError(err)).To(
BeEquivalentTo(ContentBox(
"Error: "+context,
SprintError(cause),
HeadlineColor(OrangeRed),
ContentColor(Red),
)))
})
It("should render github.com/pkg/errors package errors", func() {
message := "unable to start Z"
cause := fmt.Errorf("failed to load X and Y")
err := errors.Wrap(cause, message)
Expect(SprintError(err)).To(
BeEquivalentTo(ContentBox(
"Error: "+message,
cause.Error(),
HeadlineColor(OrangeRed),
ContentColor(Red),
)))
})
})
})
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