hasher

package

v0.0.0-...-2fccd27 Latest Latest Go to latest Published: May 12, 2019 License: MIT Imports: 7 Imported by: 0

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Package hasher includes functions and structures to ease the process of hashing the contents present in an URL.

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type Client interface {
	Get(url string) (resp *http.Response, err error)
}

Client is an interface that represents an HTTP client.

type HTTPClient struct{}

HTTPClient represents an implementation of an HTTPClient that uses the "net/http" package.

func (client *HTTPClient) Get(url string) (resp *http.Response, err error)

Get makes an HTTP GET request using the "net/http" package.

type HTTPHasher struct {
	// contains filtered or unexported fields
}

HTTPHasher is an implementation of the interface Hasher, by doing an HTTP GET to the URL supplied and hashing the results with MD5.

func NewHTTPHasher(client Client) *HTTPHasher

NewHTTPHasher returns a new http-based hasher, using the client supplied.

func (hasher *HTTPHasher) Hash(url string) (string, error)

Hash makes a http GET to the url defined in the parameter and returns the MD5 hashed value of the response, or an error if that was not possible.

type Hasher interface {
	// Hash retrieves the md5 hash (as a string) of the contents of the url.
	Hash(url string) (string, error)
}

Hasher is an interface that represents the capability of hashing the contents present in a URL.

type MockHasher struct {
	// contains filtered or unexported fields
}

MockHasher is an implementation of the interface Hasher, that has an internal map of urls to hashes.

func NewMockHasher(hashMap map[string]string) *MockHasher

NewMockHasher returns a MockHasher with a certain map of urls to hashes.

func (hasher *MockHasher) Hash(url string) (string, error)

Hash returns the corresponding hash to the url parameter, or an error if that is not possible.