// Copyright 2022 The Jujutsu Authors//// 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 indoc::indoc; use crate::common::CommandOutput;use crate::common::TestEnvironment;use crate::common::TestWorkDir; #[test]fn test_templater_parse_error() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");    let render = |template| get_template_output(&work_dir, "@-", template);     insta::assert_snapshot!(render(r#"description ()"#), @r"    ------- stderr -------    Error: Failed to parse template: Syntax error    Caused by:  --> 1:13      |    1 | description ()      |             ^---      |      = expected <EOI>, `++`, `||`, `&&`, `==`, `!=`, `>=`, `>`, `<=`, `<`, `+`, `-`, `*`, `/`, or `%`    [EOF]    [exit status: 1]    ");     // Typo    test_env.add_config(        r###"    [template-aliases]    'conflicting' = ''    'shorted()' = ''    'socat(x)' = 'x'    'format_id(id)' = 'id.sort()'    "###,    );    insta::assert_snapshot!(render(r#"conflicts"#), @r"    ------- stderr -------    Error: Failed to parse template: Keyword `conflicts` doesn't exist    Caused by:  --> 1:1      |    1 | conflicts      | ^-------^      |      = Keyword `conflicts` doesn't exist    Hint: Did you mean `conflict`, `conflicting`?    [EOF]    [exit status: 1]    ");    insta::assert_snapshot!(render(r#"commit_id.shorter()"#), @r"    ------- stderr -------    Error: Failed to parse template: Method `shorter` doesn't exist for type `CommitId`    Caused by:  --> 1:11      |    1 | commit_id.shorter()      |           ^-----^      |      = Method `shorter` doesn't exist for type `CommitId`    Hint: Did you mean `short`, `shortest`?    [EOF]    [exit status: 1]    ");    insta::assert_snapshot!(render(r#"oncat()"#), @r"    ------- stderr -------    Error: Failed to parse template: Function `oncat` doesn't exist    Caused by:  --> 1:1      |    1 | oncat()      | ^---^      |      = Function `oncat` doesn't exist    Hint: Did you mean `concat`, `socat`?    [EOF]    [exit status: 1]    ");    insta::assert_snapshot!(render(r#""".lines().map(|s| se)"#), @r#"    ------- stderr -------    Error: Failed to parse template: Keyword `se` doesn't exist    Caused by:  --> 1:20      |    1 | "".lines().map(|s| se)      |                    ^^      |      = Keyword `se` doesn't exist    Hint: Did you mean `s`, `self`?    [EOF]    [exit status: 1]    "#);    insta::assert_snapshot!(render(r#"format_id(commit_id)"#), @r"    ------- stderr -------    Error: Failed to parse template: In alias `format_id(id)`    Caused by:    1:  --> 1:1      |    1 | format_id(commit_id)      | ^------------------^      |      = In alias `format_id(id)`    2:  --> 1:4      |    1 | id.sort()      |    ^--^      |      = Method `sort` doesn't exist for type `CommitId`    Hint: Did you mean `short`, `shortest`?    [EOF]    [exit status: 1]    ");     // "at least N arguments"    insta::assert_snapshot!(render("separate()"), @r"    ------- stderr -------    Error: Failed to parse template: Function `separate`: Expected at least 1 arguments    Caused by:  --> 1:10      |    1 | separate()      |          ^      |      = Function `separate`: Expected at least 1 arguments    [EOF]    [exit status: 1]    ");     // -Tbuiltin shows the predefined builtin_* aliases. This isn't 100%    // guaranteed, but is nice.    insta::assert_snapshot!(render(r#"builtin"#), @r"    ------- stderr -------    Error: Failed to parse template: Keyword `builtin` doesn't exist    Caused by:  --> 1:1      |    1 | builtin      | ^-----^      |      = Keyword `builtin` doesn't exist    Hint: Did you mean `builtin_config_list`, `builtin_config_list_detailed`, `builtin_draft_commit_description`, `builtin_log_comfortable`, `builtin_log_compact`, `builtin_log_compact_full_description`, `builtin_log_detailed`, `builtin_log_node`, `builtin_log_node_ascii`, `builtin_log_oneline`, `builtin_op_log_comfortable`, `builtin_op_log_compact`, `builtin_op_log_node`, `builtin_op_log_node_ascii`, `builtin_op_log_oneline`?    [EOF]    [exit status: 1]    ");} #[test]fn test_template_parse_warning() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     let template = indoc! {r#"        separate(' ',          author.username(),        )    "#};    let output = work_dir.run_jj(["log", "-r@", "-T", template]);    insta::assert_snapshot!(output, @r"    @  test.user    │    ~    [EOF]    ------- stderr -------    Warning: In template expression     --> 2:10      |    2 |   author.username(),      |          ^------^      |      = username() is deprecated; use email().local() instead    [EOF]    ");} #[test]fn test_templater_upper_lower() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");    let render = |template| get_colored_template_output(&work_dir, "@-", template);     insta::assert_snapshot!(        render(r#"change_id.shortest(4).upper() ++ change_id.shortest(4).upper().lower()"#),        @"ZZZZzzzz[EOF]");    insta::assert_snapshot!(        render(r#""Hello".upper() ++ "Hello".lower()"#), @"HELLOhello[EOF]");} #[test]fn test_templater_alias() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");    let render = |template| get_template_output(&work_dir, "@-", template);     test_env.add_config(        r###"    [template-aliases]    'my_commit_id' = 'commit_id.short()'    'syntax_error' = 'foo.'    'name_error' = 'unknown_id'    'recurse' = 'recurse1'    'recurse1' = 'recurse2()'    'recurse2()' = 'recurse'    'identity(x)' = 'x'    'coalesce(x, y)' = 'if(x, x, y)'    'deprecated()' = 'author.username()'    'builtin_log_node' = '"#"'    'builtin_op_log_node' = '"#"'    'builtin_log_node_ascii' = '"#"'    'builtin_op_log_node_ascii' = '"#"'    "###,    );     insta::assert_snapshot!(render("my_commit_id"), @"000000000000[EOF]");    insta::assert_snapshot!(render("identity(my_commit_id)"), @"000000000000[EOF]");     insta::assert_snapshot!(render("commit_id ++ syntax_error"), @r"    ------- stderr -------    Error: Failed to parse template: In alias `syntax_error`    Caused by:    1:  --> 1:14      |    1 | commit_id ++ syntax_error      |              ^----------^      |      = In alias `syntax_error`    2:  --> 1:5      |    1 | foo.      |     ^---      |      = expected <identifier>    [EOF]    [exit status: 1]    ");     insta::assert_snapshot!(render("commit_id ++ name_error"), @r"    ------- stderr -------    Error: Failed to parse template: In alias `name_error`    Caused by:    1:  --> 1:14      |    1 | commit_id ++ name_error      |              ^--------^      |      = In alias `name_error`    2:  --> 1:1      |    1 | unknown_id      | ^--------^      |      = Keyword `unknown_id` doesn't exist    [EOF]    [exit status: 1]    ");     insta::assert_snapshot!(render(r#"identity(identity(commit_id.short("")))"#), @r#"    ------- stderr -------    Error: Failed to parse template: In alias `identity(x)`    Caused by:    1:  --> 1:1      |    1 | identity(identity(commit_id.short("")))      | ^-------------------------------------^      |      = In alias `identity(x)`    2:  --> 1:1      |    1 | x      | ^      |      = In function parameter `x`    3:  --> 1:10      |    1 | identity(identity(commit_id.short("")))      |          ^---------------------------^      |      = In alias `identity(x)`    4:  --> 1:1      |    1 | x      | ^      |      = In function parameter `x`    5:  --> 1:35      |    1 | identity(identity(commit_id.short("")))      |                                   ^^      |      = Expected expression of type `Integer`, but actual type is `String`    [EOF]    [exit status: 1]    "#);     insta::assert_snapshot!(render("commit_id ++ recurse"), @r"    ------- stderr -------    Error: Failed to parse template: In alias `recurse`    Caused by:    1:  --> 1:14      |    1 | commit_id ++ recurse      |              ^-----^      |      = In alias `recurse`    2:  --> 1:1      |    1 | recurse1      | ^------^      |      = In alias `recurse1`    3:  --> 1:1      |    1 | recurse2()      | ^--------^      |      = In alias `recurse2()`    4:  --> 1:1      |    1 | recurse      | ^-----^      |      = Alias `recurse` expanded recursively    [EOF]    [exit status: 1]    ");     insta::assert_snapshot!(render("identity()"), @r"    ------- stderr -------    Error: Failed to parse template: Function `identity`: Expected 1 arguments    Caused by:  --> 1:10      |    1 | identity()      |          ^      |      = Function `identity`: Expected 1 arguments    [EOF]    [exit status: 1]    ");    insta::assert_snapshot!(render("identity(commit_id, commit_id)"), @r"    ------- stderr -------    Error: Failed to parse template: Function `identity`: Expected 1 arguments    Caused by:  --> 1:10      |    1 | identity(commit_id, commit_id)      |          ^------------------^      |      = Function `identity`: Expected 1 arguments    [EOF]    [exit status: 1]    ");     insta::assert_snapshot!(render(r#"coalesce(label("x", "not boolean"), "")"#), @r#"    ------- stderr -------    Error: Failed to parse template: In alias `coalesce(x, y)`    Caused by:    1:  --> 1:1      |    1 | coalesce(label("x", "not boolean"), "")      | ^-------------------------------------^      |      = In alias `coalesce(x, y)`    2:  --> 1:4      |    1 | if(x, x, y)      |    ^      |      = In function parameter `x`    3:  --> 1:10      |    1 | coalesce(label("x", "not boolean"), "")      |          ^-----------------------^      |      = Expected expression of type `Boolean`, but actual type is `Template`    [EOF]    [exit status: 1]    "#);     insta::assert_snapshot!(render("(-my_commit_id)"), @r"    ------- stderr -------    Error: Failed to parse template: In alias `my_commit_id`    Caused by:    1:  --> 1:3      |    1 | (-my_commit_id)      |   ^----------^      |      = In alias `my_commit_id`    2:  --> 1:1      |    1 | commit_id.short()      | ^---------------^      |      = Expected expression of type `Integer`, but actual type is `String`    [EOF]    [exit status: 1]    ");     let output = work_dir.run_jj(["log", "-r@", "-Tdeprecated()"]);    insta::assert_snapshot!(output, @r"    #  test.user    │    ~    [EOF]    ------- stderr -------    Warning: In template expression     --> 1:1      |    1 | deprecated()      | ^----------^      |      = In alias `deprecated()`     --> 1:8      |    1 | author.username()      |        ^------^      |      = username() is deprecated; use email().local() instead    [EOF]    ");} #[test]fn test_templater_alias_override() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     test_env.add_config(        r#"    [template-aliases]    'f(x)' = '"user"'    "#,    );     // 'f(x)' should be overridden by --config 'f(a)'. If aliases were sorted    // purely by name, 'f(a)' would come first.    let output = work_dir.run_jj([        "log",        "--no-graph",        "-r@",        "-T",        r#"f(_)"#,        r#"--config=template-aliases.'f(a)'='"arg"'"#,    ]);    insta::assert_snapshot!(output, @"arg[EOF]");} #[test]fn test_templater_bad_alias_decl() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     test_env.add_config(        r###"    [template-aliases]    'badfn(a, a)' = 'a'    'my_commit_id' = 'commit_id.short()'    "###,    );     // Invalid declaration should be warned and ignored.    let output = work_dir.run_jj(["log", "--no-graph", "-r@-", "-Tmy_commit_id"]);    insta::assert_snapshot!(output, @r"    000000000000[EOF]    ------- stderr -------    Warning: Failed to load `template-aliases.badfn(a, a)`:  --> 1:7      |    1 | badfn(a, a)      |       ^--^      |      = Redefinition of function parameter    [EOF]    ");} #[test]fn test_templater_config_function() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");    let render = |template| get_template_output(&work_dir, "@-", template);     insta::assert_snapshot!(        render("config('user.name')"),        @r#""Test User"[EOF]"#);    insta::assert_snapshot!(        render("config('user')"),        @r#"{ email = "test.user@example.com", name = "Test User" }[EOF]"#);    insta::assert_snapshot!(render("config('invalid name')"), @r"

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