tests: use dotted notation in TOML when it saves lines

tests/common/mod.rs

@@ -169,15 +169,7 @@ impl TestEnvironment {
         // Simplified TOML escaping, hoping that there are no '"' or control characters
         // in it
         let escaped_diff_editor_path = diff_editor_path.to_str().unwrap().replace('\\', r"\\");
-        self.add_config(
-            format!(
-                r###"
-                    [ui]
-                    diff-editor = "{escaped_diff_editor_path}"
-                "###
-            )
-            .as_bytes(),
-        );
+        self.add_config(format!(r#"ui.diff-editor = "{escaped_diff_editor_path}""#).as_bytes());
         let edit_script = self.env_root().join("diff_edit_script");
         std::fs::write(&edit_script, "").unwrap();
         self.add_env_var("DIFF_EDIT_SCRIPT", edit_script.to_str().unwrap());

tests/test_alias.rs

@@ -24,11 +24,7 @@ fn test_alias_basic() {
     test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
     let repo_path = test_env.env_root().join("repo");
 
-    test_env.add_config(
-        br#"[alias]
-    b = ["log", "-r", "@", "-T", "branches"]
-    "#,
-    );
+    test_env.add_config(br#"alias.b = ["log", "-r", "@", "-T", "branches"]"#);
     test_env.jj_cmd_success(&repo_path, &["branch", "create", "my-branch"]);
     let stdout = test_env.jj_cmd_success(&repo_path, &["b"]);
     insta::assert_snapshot!(stdout, @r###"
@@ -59,11 +55,7 @@ fn test_alias_calls_unknown_command() {
     test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
     let repo_path = test_env.env_root().join("repo");
 
-    test_env.add_config(
-        br#"[alias]
-    foo = ["nonexistent"]
-    "#,
-    );
+    test_env.add_config(br#"alias.foo = ["nonexistent"]"#);
     let stderr = test_env.jj_cmd_cli_error(&repo_path, &["foo"]);
     insta::assert_snapshot!(stderr, @r###"
     error: The subcommand 'nonexistent' wasn't recognized
@@ -80,11 +72,7 @@ fn test_alias_calls_command_with_invalid_option() {
     test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
     let repo_path = test_env.env_root().join("repo");
 
-    test_env.add_config(
-        br#"[alias]
-    foo = ["log", "--nonexistent"]
-    "#,
-    );
+    test_env.add_config(br#"alias.foo = ["log", "--nonexistent"]"#);
     let stderr = test_env.jj_cmd_cli_error(&repo_path, &["foo"]);
     insta::assert_snapshot!(stderr, @r###"
     error: Found argument '--nonexistent' which wasn't expected, or isn't valid in this context
@@ -102,11 +90,7 @@ fn test_alias_calls_help() {
     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");
-    test_env.add_config(
-        br#"[alias]
-    h = ["--help"]
-    "#,
-    );
+    test_env.add_config(br#"alias.h = ["--help"]"#);
     let stdout = test_env.jj_cmd_success(&repo_path, &["h"]);
     insta::assert_snapshot!(stdout.lines().take(5).join("\n"), @r###"
     Jujutsu (An experimental VCS)
@@ -123,11 +107,7 @@ fn test_alias_cannot_override_builtin() {
     test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
     let repo_path = test_env.env_root().join("repo");
 
-    test_env.add_config(
-        br#"[alias]
-    log = ["rebase"]
-    "#,
-    );
+    test_env.add_config(br#"alias.log = ["rebase"]"#);
     // Alias should be ignored
     let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-r", "root"]);
     insta::assert_snapshot!(stdout, @r###"
@@ -166,11 +146,7 @@ fn test_alias_global_args_before_and_after() {
     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");
-    test_env.add_config(
-        br#"[alias]
-    l = ["log", "-T", "commit_id", "-r", "all()"]
-    "#,
-    );
+    test_env.add_config(br#"alias.l = ["log", "-T", "commit_id", "-r", "all()"]"#);
     // Test the setup
     let stdout = test_env.jj_cmd_success(&repo_path, &["l"]);
     insta::assert_snapshot!(stdout, @r###"
@@ -205,10 +181,8 @@ fn test_alias_global_args_in_definition() {
     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");
-    test_env.add_config(
-        br#"[alias]
-    l = ["log", "-T", "commit_id", "--at-op", "@-", "-r", "all()", "--color=always"]
-    "#,
+    test_env.add_config( 
+        br#"alias.l = ["log", "-T", "commit_id", "--at-op", "@-", "-r", "all()", "--color=always"]"#,
     );
 
     // The global argument in the alias is respected

tests/test_describe_command.rs

@@ -125,10 +125,7 @@ fn test_describe() {
     assert!(get_stderr_string(&assert).contains("bad-editor-from-visual-env"));
 
     // `ui.editor` config overrides `$VISUAL`
-    test_env.add_config(
-        br#"[ui]
-    editor = "bad-editor-from-config""#,
-    );
+    test_env.add_config(br#"ui.editor = "bad-editor-from-config""#);
     let assert = test_env
         .jj_cmd(&repo_path, &["describe"])
         .env("VISUAL", "bad-editor-from-visual-env")

tests/test_global_opts.rs

@@ -187,10 +187,7 @@ fn test_color_config() {
     "###);
 
     // Test that color is used if it's requested in the config file
-    test_env.add_config(
-        br#"[ui]
-color="always""#,
-    );
+    test_env.add_config(br#"ui.color="always""#);
     let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "commit_id"]);
     insta::assert_snapshot!(stdout, @r###"
     @ 230dd059e1b059aefc0da06a2e5a7dbf22362f22

tests/test_init_command.rs

@@ -196,11 +196,7 @@ fn test_init_local_disallowed() {
 #[test]
 fn test_init_local() {
     let test_env = TestEnvironment::default();
-    test_env.add_config(
-        br#"[ui]
-    allow-init-native = true
-    "#,
-    );
+    test_env.add_config(br#"ui.allow-init-native = true"#);
     let stdout = test_env.jj_cmd_success(test_env.env_root(), &["init", "repo"]);
     insta::assert_snapshot!(stdout, @r###"
     Initialized repo in "repo"

tests/test_log_command.rs

@@ -603,11 +603,7 @@ fn test_default_revset() {
     test_env.jj_cmd_success(&repo_path, &["describe", "-m", "add a file"]);
 
     // Set configuration to only show the root commit.
-    test_env.add_config(
-        br#"[ui]
-        default-revset = "root"
-        "#,
-    );
+    test_env.add_config(br#"ui.default-revset = "root""#);
 
     // Log should only contain one line (for the root commit), and not show the
     // commit created above.

tests/test_show_command.rs

@@ -41,11 +41,7 @@ fn test_show_relative_timestamps() {
     test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
     let repo_path = test_env.env_root().join("repo");
 
-    test_env.add_config(
-        br#"[ui]
-        relative-timestamps = true
-        "#,
-    );
+    test_env.add_config(br#"ui.relative-timestamps = true"#);
 
     let stdout = test_env.jj_cmd_success(&repo_path, &["show"]);
     let timestamp_re = Regex::new(r"\([0-9]+ years ago\)").unwrap();

tests/test_untrack_command.rs

@@ -21,11 +21,7 @@ pub mod common;
 #[test]
 fn test_untrack() {
     let test_env = TestEnvironment::default();
-    test_env.add_config(
-        br#"[ui]
-    allow-init-native = true
-    "#,
-    );
+    test_env.add_config(br#"ui.allow-init-native = true"#);
     test_env.jj_cmd_success(test_env.env_root(), &["init", "repo"]);
     let repo_path = test_env.env_root().join("repo");
 
@@ -105,11 +101,7 @@ fn test_untrack() {
 #[test]
 fn test_untrack_sparse() {
     let test_env = TestEnvironment::default();
-    test_env.add_config(
-        br#"[ui]
-    allow-init-native = true
-    "#,
-    );
+    test_env.add_config(br#"ui.allow-init-native = true"#);
     test_env.jj_cmd_success(test_env.env_root(), &["init", "repo"]);
     let repo_path = test_env.env_root().join("repo");