Function TestRepeatedConflict

db/database_test.go:1990–2025

Re-apply one of the conflicting changes to make sure that PutExistingRevWithBody() treats it as a no-op (SG Issue #3048)

(t *testing.T)

// Re-apply one of the conflicting changes to make sure that PutExistingRevWithBody() treats it as a no-op (SG Issue #3048)
func TestRepeatedConflict(t *testing.T) {

	db, ctx := setupTestDBAllowConflicts(t)
	defer db.Close(ctx)
	collection, ctx := GetSingleDatabaseCollectionWithUser(ctx, t, db)

	// Create rev 1 of "doc":
	body := Body{"n": 1, "channels": []string{"all", "1"}}
	_, _, err := collection.PutExistingRevWithBody(ctx, "doc", body, []string{"1-a"}, false, ExistingVersionWithUpdateToHLV)
	assert.NoError(t, err, "add 1-a")

	// Create two conflicting changes:
	body["n"] = 2
	body["channels"] = []string{"all", "2b"}
	_, _, err = collection.PutExistingRevWithBody(ctx, "doc", body, []string{"2-b", "1-a"}, false, ExistingVersionWithUpdateToHLV)
	assert.NoError(t, err, "add 2-b")

	body["n"] = 3
	body["channels"] = []string{"all", "2a"}
	_, newRev, err := collection.PutExistingRevWithBody(ctx, "doc", body, []string{"2-a", "1-a"}, false, ExistingVersionWithUpdateToHLV)
	assert.NoError(t, err, "add 2-a")

	// Get the _rev that was set in the body by PutExistingRevWithBody() and make assertions on it
	revGen, _ := ParseRevID(ctx, newRev)
	assert.Equal(t, 2, revGen)

	// Remove the _rev key from the body, and call PutExistingRevWithBody() again, which should re-add it
	delete(body, BodyRev)
	_, newRev, err = collection.PutExistingRevWithBody(ctx, "doc", body, []string{"2-a", "1-a"}, false, ExistingVersionWithUpdateToHLV)
	assert.NoError(t, err)

	// The _rev should pass the same assertions as before, since PutExistingRevWithBody() should re-add it
	revGen, _ = ParseRevID(ctx, newRev)
	assert.Equal(t, 2, revGen)

}

func TestConflicts(t *testing.T) {