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// Copyright (c) 2022 Cisco and/or its affiliates.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gitoid_test
import (
"bytes"
"fmt"
"os"
"testing"
"github.com/edwarnicke/gitoid"
)
const (
filename = "LICENSE"
)
func Example_gitoid_sha1() {
file, _ := os.Open(filename)
defer file.Close()
gitoidHash, _ := gitoid.New(file)
fmt.Println(gitoidHash)
// Output: 261eeb9e9f8b2b4b0d119366dda99c6fd7d35c64
}
func Example_gitoid_uri_sha1() {
file, _ := os.Open(filename)
defer file.Close()
gitoidHash, _ := gitoid.New(file)
fmt.Println(gitoidHash.URI())
// Output: gitoid:blob:sha1:261eeb9e9f8b2b4b0d119366dda99c6fd7d35c64
}
func Example_gitoid_sha256() {
file, _ := os.Open(filename)
defer file.Close()
gitoidHash, _ := gitoid.New(file, gitoid.WithSha256())
fmt.Println(gitoidHash)
// Output: ed43975fbdc3084195eb94723b5f6df44eeeed1cdda7db0c7121edf5d84569ab
}
func Example_gitoid_uri_sha256() {
file, _ := os.Open(filename)
defer file.Close()
gitoidHash, _ := gitoid.New(file, gitoid.WithSha256())
fmt.Println(gitoidHash.URI())
// Output: gitoid:blob:sha256:ed43975fbdc3084195eb94723b5f6df44eeeed1cdda7db0c7121edf5d84569ab
}
func Example_gitoid_bytes_sha1() {
input := []byte("example")
gitoidHash, _ := gitoid.New(bytes.NewBuffer(input))
fmt.Println(gitoidHash)
// Output: 96236f8158b12701d5e75c14fb876c4a0f31b963
}
func Example_gitoid_sha1_content_length() {
file, _ := os.Open(filename)
defer file.Close()
fi, _ := file.Stat()
gitoidHash, _ := gitoid.New(file, gitoid.WithContentLength(fi.Size()))
fmt.Println(gitoidHash)
// Output: 261eeb9e9f8b2b4b0d119366dda99c6fd7d35c64
}
func Test_gitoid_sha1_content_length(t *testing.T) {
t.Parallel()
file, _ := os.Open(filename)
defer file.Close()
fi, _ := file.Stat()
_, err := gitoid.New(file, gitoid.WithContentLength(fi.Size()+1))
if err == nil {
t.Fatalf("expected error specifying contentLength in excess of available bytes. no error detected.")
}
}
func TestFromURI(t *testing.T) {
t.Parallel()
file, _ := os.Open(filename)
defer file.Close()
gitoidHash, _ := gitoid.New(file)
gitoidHash2, err := gitoid.FromURI("gitoid:blob:sha1:261eeb9e9f8b2b4b0d119366dda99c6fd7d35c64")
if err != nil {
t.Fatalf("error running gitoid.FromURI: %s", err)
}
if !gitoidHash.Equal(gitoidHash2) {
t.Fatal("equality fail")
}
}
func TestGitOID_Equal_self(t *testing.T) {
t.Parallel()
gitoidHash, _ := gitoid.FromURI("gitoid:blob:sha1:261eeb9e9f8b2b4b0d119366dda99c6fd7d35c64")
gitoidHash2 := gitoidHash
if !gitoidHash.Equal(gitoidHash2) {
t.Fatal("failed to be equal to itself")
}
}
func TestGitOID_Equal_nil(t *testing.T) {
t.Parallel()
var nilGitOID *gitoid.GitOID
gitoidHash, _ := gitoid.FromURI("gitoid:blob:sha1:261eeb9e9f8b2b4b0d119366dda99c6fd7d35c64")
if nilGitOID.Equal(gitoidHash) {
t.Fail()
}
if gitoidHash.Equal(nilGitOID) {
t.Fail()
}
}
func TestGitOIDMatch_match(t *testing.T) {
t.Parallel()
file, _ := os.Open(filename)
defer file.Close()
gitoidHash, _ := gitoid.New(file)
matchingFile, _ := os.Open(filename)
defer matchingFile.Close()
if !gitoidHash.Match(matchingFile) {
t.Fatal("failed to properly match")
}
}
func TestGitOIDMatch_nomatch(t *testing.T) {
t.Parallel()
file, _ := os.Open(filename)
defer file.Close()
gitoidHash, _ := gitoid.New(file)
doesNotMatch := bytes.NewBuffer([]byte("does not match"))
if gitoidHash.Match(doesNotMatch) {
t.Fatal("improperly matched")
}
}
func TestGitOIDFind_found(t *testing.T) {
t.Parallel()
file, _ := os.Open(filename)
defer file.Close()
gitoidHash, _ := gitoid.New(file)
foundfile := gitoidHash.Find(os.DirFS("./testdata/FindTests"))
if !gitoidHash.Match(foundfile) {
t.Fatal("found non-matching file")
}
}
func TestGitOIDFind_notfound(t *testing.T) {
t.Parallel()
gitoidHash, _ := gitoid.New(bytes.NewBuffer([]byte("file not found")))
foundfile := gitoidHash.Find(os.DirFS("./testdata/FindTests"))
if foundfile != nil {
t.Fatal("should not have found matching file")
}
}
func TestGitOIDFindAll_found(t *testing.T) {
t.Parallel()
file, _ := os.Open(filename)
defer file.Close()
gitoidHash, _ := gitoid.New(file)
foundfiles := gitoidHash.FindAll(os.DirFS("./testdata/FindTests"))
for _, foundfile := range foundfiles {
if !gitoidHash.Match(foundfile) {
t.Fatal("found non-matching file")
}
}
if len(foundfiles) != 2 {
t.Fatal("did not find the expected number of files")
}
}
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