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config_test.go
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config_test.go
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package proxanne_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/ginkgo/extensions/table"
. "github.com/onsi/gomega"
"github.com/waaaaargh/proxanne"
)
var _ = Describe("ParseConfig", func() {
When("presented wih a syntactically invalid configuration file", func() {
configBytes := []byte("@NotYAMLQQQQQQ")
It("should throw an error", func() {
_, err := proxanne.ParseConfig(configBytes)
Expect(err).ToNot(BeNil())
})
})
When("presented with a syntactically valid configuration file", func() {
var (
err error
config *proxanne.Config
)
configBytes := []byte(`
routes:
- matches: "foo/bar/"
target: "https://example.com/foo"
- matches: "baz/qux/"
target: "https://example.com/baz"`)
BeforeEach(func() {
config, err = proxanne.ParseConfig(configBytes)
})
It("should return a configuration object", func() {
Expect(config).ToNot(BeNil())
})
It("should not throw an error", func() {
Expect(err).To(BeNil())
})
})
})
var _ = Describe("BuildRouter", func() {
When("presented with a syntactically valid, but semantically invalid configuration", func() {
config := &proxanne.Config{}
var (
err error
router proxanne.Router
)
BeforeEach(func() {
router, err = proxanne.BuildRouter(config)
})
It("should emit an error", func() {
Expect(err).ToNot(BeNil())
})
It("should emit an emptry router", func() {
Expect(router).To(BeNil())
})
})
DescribeTable("Catching invalid Configurations",
func(config *proxanne.Config) {
_, err := proxanne.BuildRouter(config)
Expect(err).ToNot(BeNil())
},
Entry(
"invalid regexp",
&proxanne.Config{[]struct {
Matches string `yaml:"matches"`
Target string `yaml:"target"`
}{{"([", "foobar"}}},
),
Entry(
"invalid target url",
&proxanne.Config{[]struct {
Matches string `yaml:"matches"`
Target string `yaml:"target"`
}{{"foobar", ":"}}},
),
)
When("presented with a valid configuration", func() {
config := &proxanne.Config{[]struct {
Matches string `yaml:"matches"`
Target string `yaml:"target"`
}{{"/foobar/", "example.com/foobar"}}}
var (
router proxanne.Router
err error
)
BeforeEach(func() {
router, err = proxanne.BuildRouter(config)
})
It("should return a Router", func() {
Expect(len(router)).To(Equal(1))
})
It("should not return an error", func() {
Expect(err).To(BeNil())
})
})
})