// Copyright 2022 Google LLC
//
// 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
//
// https://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.

use common::TestEnvironment;

pub mod common;

#[test]
fn test_log_with_or_without_diff() {
    let test_env = TestEnvironment::default();
    test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
    let repo_path = test_env.env_root().join("repo");

    std::fs::write(repo_path.join("file1"), "foo\n").unwrap();
    test_env.jj_cmd_success(&repo_path, &["describe", "-m", "add a file"]);
    test_env.jj_cmd_success(&repo_path, &["new", "-m", "a new commit"]);
    std::fs::write(repo_path.join("file1"), "foo\nbar\n").unwrap();

    let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description"]);
    insta::assert_snapshot!(stdout, @r###"
    @ a new commit
    o add a file
    o
    "###);

    let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description", "-p"]);
    insta::assert_snapshot!(stdout, @r###"
    @ a new commit
    | Modified regular file file1:
    |    1    1: foo
    |         2: bar
    o add a file
    | Added regular file file1:
    |         1: foo
    o 
    "###);

    let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description", "--no-graph"]);
    insta::assert_snapshot!(stdout, @r###"
    a new commit
    add a file

    "###);

    let stdout = test_env.jj_cmd_success(
        &repo_path,
        &["log", "-T", "description", "--no-graph", "-p", "--git"],
    );
    insta::assert_snapshot!(stdout, @r###"
    a new commit
    diff --git a/file1 b/file1
    index 257cc5642c...3bd1f0e297 100644
    --- a/file1
    +++ b/file1
    @@ -1,1 +1,2 @@
     foo
    +bar
    add a file
    diff --git a/file1 b/file1
    new file mode 100644
    index 0000000000..257cc5642c
    --- /dev/null
    +++ b/file1
    @@ -1,0 +1,1 @@
    +foo

    "###);
}