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authorMichael Muré <batolettre@gmail.com>2021-02-05 11:18:38 +0100
committerMichael Muré <batolettre@gmail.com>2021-02-14 12:19:01 +0100
commite35c7c4d170d1b682992c95f1c14772158501015 (patch)
treefdebdffa3e531ca3494c66627ba3396214a792d9 /entity/dag
parentfe4237df3c62bd6dfd1f385893295f93072d0e51 (diff)
downloadgit-bug-e35c7c4d170d1b682992c95f1c14772158501015.tar.gz
entity: more testing and bug fixing
Diffstat (limited to 'entity/dag')
-rw-r--r--entity/dag/common_test.go28
-rw-r--r--entity/dag/entity_actions.go12
-rw-r--r--entity/dag/entity_actions_test.go181
3 files changed, 164 insertions, 57 deletions
diff --git a/entity/dag/common_test.go b/entity/dag/common_test.go
index b822fc79..05d85898 100644
--- a/entity/dag/common_test.go
+++ b/entity/dag/common_test.go
@@ -3,6 +3,9 @@ package dag
import (
"encoding/json"
"fmt"
+ "testing"
+
+ "github.com/stretchr/testify/require"
"github.com/MichaelMure/git-bug/entity"
"github.com/MichaelMure/git-bug/identity"
@@ -94,23 +97,28 @@ func makeTestContext() (repository.ClockedRepo, identity.Interface, identity.Int
return repo, id1, id2, def
}
-func makeTestContextRemote() (repository.ClockedRepo, repository.ClockedRepo, repository.ClockedRepo, identity.Interface, identity.Interface, Definition) {
+func makeTestContextRemote(t *testing.T) (repository.ClockedRepo, repository.ClockedRepo, repository.ClockedRepo, identity.Interface, identity.Interface, Definition) {
repoA := repository.CreateGoGitTestRepo(false)
repoB := repository.CreateGoGitTestRepo(false)
remote := repository.CreateGoGitTestRepo(true)
- err := repoA.AddRemote("origin", remote.GetLocalRemote())
- if err != nil {
- panic(err)
- }
-
- err = repoB.AddRemote("origin", remote.GetLocalRemote())
- if err != nil {
- panic(err)
- }
+ err := repoA.AddRemote("remote", remote.GetLocalRemote())
+ require.NoError(t, err)
+ err = repoA.AddRemote("repoB", repoB.GetLocalRemote())
+ require.NoError(t, err)
+ err = repoB.AddRemote("remote", remote.GetLocalRemote())
+ require.NoError(t, err)
+ err = repoB.AddRemote("repoA", repoA.GetLocalRemote())
+ require.NoError(t, err)
id1, id2, def := makeTestContextInternal(repoA)
+ // distribute the identities
+ _, err = identity.Push(repoA, "remote")
+ require.NoError(t, err)
+ err = identity.Pull(repoB, "remote")
+ require.NoError(t, err)
+
return repoA, repoB, remote, id1, id2, def
}
diff --git a/entity/dag/entity_actions.go b/entity/dag/entity_actions.go
index db3a545c..edc47d52 100644
--- a/entity/dag/entity_actions.go
+++ b/entity/dag/entity_actions.go
@@ -21,20 +21,12 @@ func ListLocalIds(def Definition, repo repository.RepoData) ([]entity.Id, error)
// Fetch retrieve updates from a remote
// This does not change the local entity state
func Fetch(def Definition, repo repository.Repo, remote string) (string, error) {
- // "refs/<entity>/*:refs/remotes/<remote>/<entity>/*"
- fetchRefSpec := fmt.Sprintf("refs/%s/*:refs/remotes/%s/%s/*",
- def.namespace, remote, def.namespace)
-
- return repo.FetchRefs(remote, fetchRefSpec)
+ return repo.FetchRefs(remote, def.namespace)
}
// Push update a remote with the local changes
func Push(def Definition, repo repository.Repo, remote string) (string, error) {
- // "refs/<entity>/*:refs/<entity>/*"
- refspec := fmt.Sprintf("refs/%s/*:refs/%s/*",
- def.namespace, def.namespace)
-
- return repo.PushRefs(remote, refspec)
+ return repo.PushRefs(remote, def.namespace)
}
// Pull will do a Fetch + MergeAll
diff --git a/entity/dag/entity_actions_test.go b/entity/dag/entity_actions_test.go
index 6cc544b6..d7717056 100644
--- a/entity/dag/entity_actions_test.go
+++ b/entity/dag/entity_actions_test.go
@@ -1,62 +1,58 @@
package dag
import (
+ "sort"
"testing"
"github.com/stretchr/testify/require"
- "github.com/MichaelMure/git-bug/identity"
+ "github.com/MichaelMure/git-bug/entity"
"github.com/MichaelMure/git-bug/repository"
)
func allEntities(t testing.TB, bugs <-chan StreamedEntity) []*Entity {
+ t.Helper()
+
var result []*Entity
for streamed := range bugs {
- if streamed.Err != nil {
- t.Fatal(streamed.Err)
- }
+ require.NoError(t, streamed.Err)
+
result = append(result, streamed.Entity)
}
return result
}
func TestPushPull(t *testing.T) {
- repoA, repoB, remote, id1, id2, def := makeTestContextRemote()
+ repoA, repoB, remote, id1, id2, def := makeTestContextRemote(t)
defer repository.CleanupTestRepos(repoA, repoB, remote)
- // distribute the identities
- _, err := identity.Push(repoA, "origin")
- require.NoError(t, err)
- err = identity.Pull(repoB, "origin")
- require.NoError(t, err)
-
// A --> remote --> B
- entity := New(def)
- entity.Append(newOp1(id1, "foo"))
+ e := New(def)
+ e.Append(newOp1(id1, "foo"))
- err = entity.Commit(repoA)
+ err := e.Commit(repoA)
require.NoError(t, err)
- _, err = Push(def, repoA, "origin")
+ _, err = Push(def, repoA, "remote")
require.NoError(t, err)
- err = Pull(def, repoB, "origin")
+ err = Pull(def, repoB, "remote")
require.NoError(t, err)
entities := allEntities(t, ReadAll(def, repoB))
require.Len(t, entities, 1)
// B --> remote --> A
- entity = New(def)
- entity.Append(newOp2(id2, "bar"))
+ e = New(def)
+ e.Append(newOp2(id2, "bar"))
- err = entity.Commit(repoB)
+ err = e.Commit(repoB)
require.NoError(t, err)
- _, err = Push(def, repoB, "origin")
+ _, err = Push(def, repoB, "remote")
require.NoError(t, err)
- err = Pull(def, repoA, "origin")
+ err = Pull(def, repoA, "remote")
require.NoError(t, err)
entities = allEntities(t, ReadAll(def, repoB))
@@ -64,39 +60,33 @@ func TestPushPull(t *testing.T) {
}
func TestListLocalIds(t *testing.T) {
- repoA, repoB, remote, id1, id2, def := makeTestContextRemote()
+ repoA, repoB, remote, id1, id2, def := makeTestContextRemote(t)
defer repository.CleanupTestRepos(repoA, repoB, remote)
- // distribute the identities
- _, err := identity.Push(repoA, "origin")
- require.NoError(t, err)
- err = identity.Pull(repoB, "origin")
- require.NoError(t, err)
-
// A --> remote --> B
- entity := New(def)
- entity.Append(newOp1(id1, "foo"))
- err = entity.Commit(repoA)
+ e := New(def)
+ e.Append(newOp1(id1, "foo"))
+ err := e.Commit(repoA)
require.NoError(t, err)
- entity = New(def)
- entity.Append(newOp2(id2, "bar"))
- err = entity.Commit(repoA)
+ e = New(def)
+ e.Append(newOp2(id2, "bar"))
+ err = e.Commit(repoA)
require.NoError(t, err)
listLocalIds(t, def, repoA, 2)
listLocalIds(t, def, repoB, 0)
- _, err = Push(def, repoA, "origin")
+ _, err = Push(def, repoA, "remote")
require.NoError(t, err)
- _, err = Fetch(def, repoB, "origin")
+ _, err = Fetch(def, repoB, "remote")
require.NoError(t, err)
listLocalIds(t, def, repoA, 2)
listLocalIds(t, def, repoB, 0)
- err = Pull(def, repoB, "origin")
+ err = Pull(def, repoB, "remote")
require.NoError(t, err)
listLocalIds(t, def, repoA, 2)
@@ -108,3 +98,120 @@ func listLocalIds(t *testing.T, def Definition, repo repository.RepoData, expect
require.NoError(t, err)
require.Len(t, ids, expectedCount)
}
+
+func assertMergeResults(t *testing.T, expected []entity.MergeResult, results <-chan entity.MergeResult) {
+ t.Helper()
+
+ var allResults []entity.MergeResult
+ for result := range results {
+ allResults = append(allResults, result)
+ }
+
+ require.Equal(t, len(expected), len(allResults))
+
+ sort.Slice(allResults, func(i, j int) bool {
+ return allResults[i].Id < allResults[j].Id
+ })
+ sort.Slice(expected, func(i, j int) bool {
+ return expected[i].Id < expected[j].Id
+ })
+
+ for i, result := range allResults {
+ require.NoError(t, result.Err)
+
+ require.Equal(t, expected[i].Id, result.Id)
+ require.Equal(t, expected[i].Status, result.Status)
+
+ switch result.Status {
+ case entity.MergeStatusNew, entity.MergeStatusUpdated:
+ require.NotNil(t, result.Entity)
+ require.Equal(t, expected[i].Id, result.Entity.Id())
+ }
+
+ i++
+ }
+}
+
+func TestMerge(t *testing.T) {
+ repoA, repoB, remote, id1, id2, def := makeTestContextRemote(t)
+ defer repository.CleanupTestRepos(repoA, repoB, remote)
+
+ // SCENARIO 1
+ // if the remote Entity doesn't exist locally, it's created
+
+ // 2 entities in repoA + push to remote
+ e1 := New(def)
+ e1.Append(newOp1(id1, "foo"))
+ err := e1.Commit(repoA)
+ require.NoError(t, err)
+
+ e2 := New(def)
+ e2.Append(newOp2(id2, "bar"))
+ err = e2.Commit(repoA)
+ require.NoError(t, err)
+
+ _, err = Push(def, repoA, "remote")
+ require.NoError(t, err)
+
+ // repoB: fetch + merge from remote
+
+ _, err = Fetch(def, repoB, "remote")
+ require.NoError(t, err)
+
+ results := MergeAll(def, repoB, "remote")
+
+ assertMergeResults(t, []entity.MergeResult{
+ {
+ Id: e1.Id(),
+ Status: entity.MergeStatusNew,
+ },
+ {
+ Id: e2.Id(),
+ Status: entity.MergeStatusNew,
+ },
+ }, results)
+
+ // SCENARIO 2
+ // if the remote and local Entity have the same state, nothing is changed
+
+ results = MergeAll(def, repoB, "remote")
+
+ assertMergeResults(t, []entity.MergeResult{
+ {
+ Id: e1.Id(),
+ Status: entity.MergeStatusNothing,
+ },
+ {
+ Id: e2.Id(),
+ Status: entity.MergeStatusNothing,
+ },
+ }, results)
+
+ // SCENARIO 3
+ // if the local Entity has new commits but the remote don't, nothing is changed
+
+ e1.Append(newOp1(id1, "barbar"))
+ err = e1.Commit(repoA)
+ require.NoError(t, err)
+
+ e2.Append(newOp2(id2, "barbarbar"))
+ err = e2.Commit(repoA)
+ require.NoError(t, err)
+
+ results = MergeAll(def, repoA, "remote")
+
+ assertMergeResults(t, []entity.MergeResult{
+ {
+ Id: e1.Id(),
+ Status: entity.MergeStatusNothing,
+ },
+ {
+ Id: e2.Id(),
+ Status: entity.MergeStatusNothing,
+ },
+ }, results)
+
+ // SCENARIO 4
+ // if the remote has new commit, the local bug is updated to match the same history
+ // (fast-forward update)
+}