git2go/describe_test.go at main · libgit2/git2go · GitHub

Name: git2go/describe_test.go at main · libgit2/git2go · GitHub
Rating: 4.7 (838 reviews)
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package git

import (
"path"
"runtime"
"strings"
"testing"
)

funcTestDescribeCommit(t*testing.T) {
t.Parallel()
repo:=createTestRepo(t)
defercleanupTestRepo(t, repo)

describeOpts, err:=DefaultDescribeOptions()
checkFatal(t, err)

formatOpts, err:=DefaultDescribeFormatOptions()
checkFatal(t, err)

commitID, _:=seedTestRepo(t, repo)

commit, err:=repo.LookupCommit(commitID)
checkFatal(t, err)

// No annotated tags can be used to describe master
_, err=commit.Describe(&describeOpts)
checkDescribeNoRefsFound(t, err)

// Fallback
fallback:=describeOpts
fallback.ShowCommitOidAsFallback=true
result, err:=commit.Describe(&fallback)
checkFatal(t, err)
resultStr, err:=result.Format(&formatOpts)
checkFatal(t, err)
compareStrings(t, "473bf77", resultStr)

// Abbreviated
abbreviated:=formatOpts
abbreviated.AbbreviatedSize=2
result, err=commit.Describe(&fallback)
checkFatal(t, err)
resultStr, err=result.Format(&abbreviated)
checkFatal(t, err)
compareStrings(t, "473b", resultStr)

createTestTag(t, repo, commit)

// Exact tag
patternOpts:=describeOpts
patternOpts.Pattern="v[0-9]*"
result, err=commit.Describe(&patternOpts)
checkFatal(t, err)
resultStr, err=result.Format(&formatOpts)
checkFatal(t, err)
compareStrings(t, "v0.0.0", resultStr)

// Pattern no match
patternOpts.Pattern="v[1-9]*"
result, err=commit.Describe(&patternOpts)
checkDescribeNoRefsFound(t, err)

commitID, _=updateReadme(t, repo, "update1")
commit, err=repo.LookupCommit(commitID)
checkFatal(t, err)

// Tag-1
result, err=commit.Describe(&describeOpts)
checkFatal(t, err)
resultStr, err=result.Format(&formatOpts)
checkFatal(t, err)
compareStrings(t, "v0.0.0-1-gd88ef8d", resultStr)

// Strategy: All
describeOpts.Strategy=DescribeAll
result, err=commit.Describe(&describeOpts)
checkFatal(t, err)
resultStr, err=result.Format(&formatOpts)
checkFatal(t, err)
compareStrings(t, "heads/master", resultStr)

repo.CreateBranch("hotfix", commit, false)

// Workdir (branch)
result, err=repo.DescribeWorkdir(&describeOpts)
checkFatal(t, err)
resultStr, err=result.Format(&formatOpts)
checkFatal(t, err)
compareStrings(t, "heads/hotfix", resultStr)
}

funccheckDescribeNoRefsFound(t*testing.T, errerror) {
// The failure happens at wherever we were called, not here
_, file, line, ok:=runtime.Caller(1)
expectedString:="no reference found, cannot describe anything"
if!ok {
t.Fatalf("Unable to get caller")
 }
iferr==nil||!strings.Contains(err.Error(), expectedString) {
t.Fatalf(
"%s:%v: was expecting error %v, got %v",
path.Base(file),
line,
expectedString,
err,
 )
 }
}