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diagnostics_spec.lua
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diagnostics_spec.lua
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local diagnostics = require("null-ls.builtins").diagnostics
describe("diagnostics", function()
describe("buf", function()
local linter = diagnostics.buf
local parser = linter._opts.on_output
it("should create a diagnostic with an Error severity", function()
local file = {
[[ syntax = "proto3"; package tutorial.v1;]],
}
local output =
[[demo.proto:2:1:Files with package "tutorial.v1" must be within a directory "tutorial/v1" relative to root but were in directory ".".]]
local diagnostic = parser(output, { content = file })
assert.same({
col = "1",
filename = "demo.proto",
message = [[Files with package "tutorial.v1" must be within a directory "tutorial/v1" relative to root but were in directory ".".]],
row = "2",
}, diagnostic)
end)
end)
describe("chktex", function()
local linter = diagnostics.chktex
local parser = linter._opts.on_output
local file = {
[[\documentclass{article}]],
[[\begin{document}]],
[[Lorem ipsum dolor \sit amet]],
[[\end{document}]],
}
it("should create a diagnostic", function()
local output = [[3:23:1:Warning:1:Command terminated with space.]]
local diagnostic = parser(output, { content = file })
assert.same({
code = "1",
row = "3",
col = "23",
end_col = 24,
severity = 2,
message = "Command terminated with space.",
}, diagnostic)
end)
end)
describe("credo", function()
local linter = diagnostics.credo
local parser = linter._opts.on_output
local credo_diagnostics
local done = function(_diagnostics)
credo_diagnostics = _diagnostics
end
after_each(function()
credo_diagnostics = nil
end)
it("should create a diagnostic with error severity", function()
local output = [[
{
"issues": [
{
"category": "consistency",
"check": "Credo.Check.Consistency.SpaceInParentheses",
"column": null,
"column_end": null,
"filename": "lib/todo_web/controllers/page_controller.ex",
"line_no": 4,
"message": "There is no whitespace around parentheses/brackets most of the time, but here there is.",
"priority": 12,
"scope": "TodoWeb.PageController.index",
"trigger": "( c"
}
]
} ]]
parser({ output = output }, done)
assert.same({
{
source = "credo",
message = "There is no whitespace around parentheses/brackets most of the time, but here there is.",
row = 4,
col = nil,
end_col = nil,
severity = 1,
},
}, credo_diagnostics)
end)
it("should create a diagnostic with warning severity", function()
local output = [[
{
"issues": [{
"category": "readability",
"check": "Credo.Check.Readability.ImplTrue",
"column": 3,
"column_end": 13,
"filename": "./foo.ex",
"line_no": 3,
"message": "@impl true should be @impl MyBehaviour",
"priority": 8,
"scope": null,
"trigger": "@impl true"
}]
} ]]
parser({ output = output }, done)
assert.same({
{
source = "credo",
message = "@impl true should be @impl MyBehaviour",
row = 3,
col = 3,
end_col = 13,
severity = 2,
},
}, credo_diagnostics)
end)
it("should create a diagnostic with information severity", function()
local output = [[
{
"issues": [{
"category": "design",
"check": "Credo.Check.Design.TagTODO",
"column": null,
"column_end": null,
"filename": "./foo.ex",
"line_no": 8,
"message": "Found a TODO tag in a comment: \"TODO: implement check\"",
"priority": -5,
"scope": null,
"trigger": "TODO: implement check"
}]
} ]]
parser({ output = output }, done)
assert.same({
{
source = "credo",
message = 'Found a TODO tag in a comment: "TODO: implement check"',
row = 8,
col = nil,
end_col = nil,
severity = 3,
},
}, credo_diagnostics)
end)
it("should create a diagnostic falling back to hint severity", function()
local output = [[
{
"issues": [{
"category": "refactor",
"check": "Credo.Check.Refactor.FilterFilter",
"column": null,
"column_end": null,
"filename": "./foo.ex",
"line_no": 12,
"message": "One `Enum.filter/2` is more efficient than `Enum.filter/2 |> Enum.filter/2`",
"priority": -15,
"scope": null,
"trigger": "|>"
}]
} ]]
parser({ output = output }, done)
assert.same({
{
source = "credo",
message = "One `Enum.filter/2` is more efficient than `Enum.filter/2 |> Enum.filter/2`",
row = 12,
col = nil,
end_col = nil,
severity = 4,
},
}, credo_diagnostics)
end)
it("returns errors as diagnostics", function()
local error =
[[** (Mix) The task "credo" could not be found\nNote no mix.exs was found in the current directory]]
parser({ err = error }, done)
assert.same({
{
source = "credo",
message = error,
row = 1,
},
}, credo_diagnostics)
end)
it("should handle compile warnings preceeding output", function()
local output = [[
00:00:00.000 [warn] IMPORTING DEV.SECRET
{
"issues": [
{
"category": "consistency",
"check": "Credo.Check.Consistency.SpaceInParentheses",
"column": null,
"column_end": null,
"filename": "lib/todo_web/controllers/page_controller.ex",
"line_no": 4,
"message": "There is no whitespace around parentheses/brackets most of the time, but here there is.",
"priority": 12,
"scope": "TodoWeb.PageController.index",
"trigger": "( c"
}
]
} ]]
parser({ output = output }, done)
assert.same({
{
source = "credo",
message = "There is no whitespace around parentheses/brackets most of the time, but here there is.",
row = 4,
col = nil,
end_col = nil,
severity = 1,
},
}, credo_diagnostics)
end)
it("should handle messages with incomplete json", function()
local output = [[Some incomplete message that shouldn't really happen { "issues": ]]
parser({ output = output }, done)
assert.same({
{
source = "credo",
message = output,
row = 1,
},
}, credo_diagnostics)
end)
it("should handle messages without json", function()
local output = [[Another message that shouldn't really happen]]
parser({ output = output }, done)
assert.same({
{
source = "credo",
message = output,
row = 1,
},
}, credo_diagnostics)
end)
end)
describe("luacheck", function()
local linter = diagnostics.luacheck
local parser = linter._opts.on_output
local file = {
[[sx = {]],
}
it("should create a diagnostic", function()
local output = [[test.lua:2:1-1: (E011) expected expression near <eof>]]
local diagnostic = parser(output, { content = file })
assert.same({
code = "011",
row = "2",
col = "1",
end_col = 2,
severity = 1,
message = "expected expression near <eof>",
}, diagnostic)
end)
end)
describe("write-good", function()
local linter = diagnostics.write_good
local parser = linter._opts.on_output
local file = {
[[Any rule whose heading is ~~struck through~~ is deprecated, but still provided for backward-compatibility.]],
}
it("should create a diagnostic", function()
local output = [[rules.md:1:46:"is deprecated" may be passive voice]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "1",
col = 47,
end_col = 59,
message = '"is deprecated" may be passive voice',
}, diagnostic)
end)
end)
describe("markdownlint", function()
local linter = diagnostics.markdownlint
local parser = linter._opts.on_output
local file = {
[[<a name="md001"></a>]],
[[]],
}
it("should create a diagnostic with a column", function()
local output = "rules.md:1:1 MD033/no-inline-html Inline HTML [Element: a]"
local diagnostic = parser(output, { content = file })
assert.same({
code = "MD033/no-inline-html",
row = "1",
col = "1",
message = "Inline HTML [Element: a]",
}, diagnostic)
end)
it("should create a diagnostic without a column", function()
local output =
"rules.md:2 MD012/no-multiple-blanks Multiple consecutive blank lines [Expected: 1; Actual: 2]"
local diagnostic = parser(output, { content = file })
assert.same({
row = "2",
code = "MD012/no-multiple-blanks",
message = "Multiple consecutive blank lines [Expected: 1; Actual: 2]",
}, diagnostic)
end)
end)
describe("mdl", function()
local linter = diagnostics.mdl
local parser = linter._opts.on_output
it("should create a diagnostic", function()
local output = vim.json.decode([[
[
{
"filename": "rules.md",
"line": 1,
"rule": "MD022",
"aliases": [
"blanks-around-headers"
],
"description": "Headers should be surrounded by blank lines"
}
]
]])
local diagnostic = parser({ output = output })
assert.same({
{
code = "MD022",
row = 1,
severity = 2,
message = "Headers should be surrounded by blank lines",
},
}, diagnostic)
end)
end)
describe("tl check", function()
local linter = diagnostics.teal
local parser = linter._opts.on_output
local file = {
[[require("settings").load_options()]],
"vim.cmd [[ ]]",
"local b = 3 + 34",
}
local output = table.concat({
"1 warning:",
"tmp.tl:3:7: unused variable b: integer",
"2 errors:",
"tmp.tl:1:8: module not found: 'settings'",
"tmp.tl:2:1: unknown variable: vim",
}, "\n")
local teal_diagnostics = nil
local function done(_diagnostics)
teal_diagnostics = _diagnostics
end
parser({ content = file, output = output, temp_path = "tmp.tl" }, done)
it("should create a diagnostic with a warning severity (no quote)", function()
assert.same({
row = "3",
col = "7",
message = "unused variable b: integer",
severity = 2,
}, teal_diagnostics[1])
end)
it("should create a diagnostic with an error severity (quote field is between quotes)", function()
assert.same({
row = "1",
col = "8",
end_col = 18,
message = "module not found: 'settings'",
severity = 1,
}, teal_diagnostics[2])
end)
it("should create a diagnostic with an error severity (quote field is not between quotes)", function()
assert.same({
row = "2",
col = "1",
end_col = 4,
message = "unknown variable: vim",
severity = 1,
}, teal_diagnostics[3])
end)
end)
describe("shellcheck", function()
local linter = diagnostics.shellcheck
local parser = linter._opts.on_output
it("should create a diagnostic with info severity", function()
local output = vim.json.decode([[
{
"comments": [{
"file": "./OpenCast.sh",
"line": 21,
"endLine": 21,
"column": 8,
"endColumn": 37,
"level": "info",
"code": 1091,
"message": "Not following: script/cli_builder.sh was not specified as input (see shellcheck -x).",
"fix": null
}]
} ]])
local diagnostic = parser({ output = output })
assert.same({
{
code = 1091,
row = 21,
end_row = 21,
col = 8,
end_col = 37,
severity = 3,
message = "Not following: script/cli_builder.sh was not specified as input (see shellcheck -x).",
},
}, diagnostic)
end)
it("should create a diagnostic with style severity", function()
local output = vim.json.decode([[
{
"comments": [{
"file": "./OpenCast.sh",
"line": 21,
"endLine": 21,
"column": 8,
"endColumn": 37,
"level": "style",
"code": 1091,
"message": "Not following: script/cli_builder.sh was not specified as input (see shellcheck -x).",
"fix": null
}]
} ]])
local diagnostic = parser({ output = output })
assert.same({
{
code = 1091,
row = 21,
end_row = 21,
col = 8,
end_col = 37,
severity = 4,
message = "Not following: script/cli_builder.sh was not specified as input (see shellcheck -x).",
},
}, diagnostic)
end)
end)
describe("selene", function()
local linter = diagnostics.selene
local parser = linter._opts.on_output
local file = {
"vim.cmd [[",
[[CACHE_PATH = vim.fn.stdpath "cache"]],
}
it("should create a diagnostic (quote is between backquotes)", function()
local output = [[init.lua:1:1: error[undefined_variable]: `vim` is not defined]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "1",
col = "1",
end_col = 4,
severity = 1,
code = "undefined_variable",
message = "`vim` is not defined",
}, diagnostic)
end)
it("should create a diagnostic (quote is not between backquotes)", function()
local output =
[[lua/default-config.lua:2:1: warning[unused_variable]: CACHE_PATH is defined, but never used]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "2",
col = "1",
end_col = 11,
severity = 2,
code = "unused_variable",
message = "CACHE_PATH is defined, but never used",
}, diagnostic)
end)
end)
describe("solhint", function()
local linter = diagnostics.solhint
local parser = linter._opts.on_output
it("should create a diagnostic with an Error severity", function()
local file = {
[[ import 'interfaces/IToken.sol'; ]],
}
local output = "contracts/Token.sol:22:8: Use double quotes for string literals [Error/quotes]"
local diagnostic = parser(output, { content = file })
assert.same({
code = "quotes",
col = "8",
filename = "contracts/Token.sol",
message = "Use double quotes for string literals",
row = "22",
severity = 1,
}, diagnostic)
end)
it("should create a diagnostic with a Warning severity", function()
local file = {
[[ function somethingPrivate(uint8 id) returns (bool) {}; ]],
}
local output = "contracts/Token.sol:359:5: Explicitly mark visibility in function [Warning/func-visibility]"
local diagnostic = parser(output, { content = file })
assert.same({
code = "func-visibility",
col = "5",
filename = "contracts/Token.sol",
message = "Explicitly mark visibility in function",
row = "359",
severity = 2,
}, diagnostic)
end)
end)
describe("eslint", function()
local linter = diagnostics.eslint
local parser = linter._opts.on_output
it("should create a diagnostic with warning severity", function()
local output = vim.json.decode([[
[{
"filePath": "/home/luc/Projects/Pi-OpenCast/webapp/src/index.js",
"messages": [
{
"ruleId": "quotes",
"severity": 1,
"message": "Strings must use singlequote.",
"line": 1,
"column": 19,
"nodeType": "Literal",
"messageId": "wrongQuotes",
"endLine": 1,
"endColumn": 26,
"fix": {
"range": [
18,
25
],
"text": "'react'"
}
}
]
}] ]])
local diagnostic = parser({ output = output })
assert.same({
{
row = 1,
end_row = 1,
col = 19,
end_col = 26,
severity = 2,
code = "quotes",
message = "Strings must use singlequote.",
},
}, diagnostic)
end)
it("should create a diagnostic with error severity", function()
local output = vim.json.decode([[
[{
"filePath": "/home/luc/Projects/Pi-OpenCast/webapp/src/index.js",
"messages": [
{
"ruleId": "quotes",
"severity": 2,
"message": "Strings must use singlequote.",
"line": 1,
"column": 19,
"nodeType": "Literal",
"messageId": "wrongQuotes",
"endLine": 1,
"endColumn": 26,
"fix": {
"range": [
18,
25
],
"text": "'react'"
}
}
]
}] ]])
local diagnostic = parser({ output = output })
assert.same({
{
row = 1,
end_row = 1,
col = 19,
end_col = 26,
severity = 1,
code = "quotes",
message = "Strings must use singlequote.",
},
}, diagnostic)
end)
end)
describe("standardjs", function()
local linter = diagnostics.standardjs
local parser = linter._opts.on_output
it("should create a diagnostic with error severity", function()
local file = {
[[export const foo = () => { return 'hello']],
}
local output = [[rules.js:1:2: Parsing error: Unexpected token]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "1",
col = "2",
severity = 1,
message = "Unexpected token",
}, diagnostic)
end)
it("should create a diagnostic with warning severity", function()
local file = {
[[export const foo = () => { return "hello" }]],
}
local output = [[rules.js:1:35: Strings must use singlequote.]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "1",
col = "35",
severity = 2,
message = "Strings must use singlequote.",
}, diagnostic)
end)
end)
describe("hadolint", function()
local linter = diagnostics.hadolint
local parser = linter._opts.on_output
it("should create a diagnostic with warning severity", function()
local output = vim.json.decode([[
[{
"line": 24,
"code": "DL3008",
"message": "Pin versions in apt get install. Instead of `apt-get install <package>` use `apt-get install <package>=<version>`",
"column": 1,
"file": "/home/luc/Projects/Test/buildroot/support/docker/Dockerfile",
"level": "warning"
}]
]])
local diagnostic = parser({ output = output })
assert.same({
{
row = 24,
col = 1,
severity = 2,
code = "DL3008",
message = "Pin versions in apt get install. Instead of `apt-get install <package>` use `apt-get install <package>=<version>`",
},
}, diagnostic)
end)
it("should create a diagnostic with info severity", function()
local output = vim.json.decode([[
[{
"line": 24,
"code": "DL3059",
"message": "Multiple consecutive `RUN` instructions. Consider consolidation.",
"column": 1,
"file": "/home/luc/Projects/Test/buildroot/support/docker/Dockerfile",
"level": "info"
}]
]])
local diagnostic = parser({ output = output })
assert.same({
{
row = 24,
col = 1,
severity = 3,
code = "DL3059",
message = "Multiple consecutive `RUN` instructions. Consider consolidation.",
},
}, diagnostic)
end)
end)
describe("flake8", function()
local linter = diagnostics.flake8
local parser = linter._opts.on_output
local file = {
[[#===- run-clang-tidy.py - Parallel clang-tidy runner ---------*- python -*--===#]],
}
it("should create a diagnostic", function()
local output = [[run-clang-tidy.py:3:1: E265 block comment should start with '# ']]
local diagnostic = parser(output, { content = file })
assert.same({
row = "3",
col = "1",
severity = 1,
code = "E265",
message = "block comment should start with '# '",
}, diagnostic)
end)
end)
describe("pylama", function()
local linter = diagnostics.pylama
local parser = linter._opts.on_output
local exit_func = linter._opts.check_exit_code
it("should create a diagnostic with error severity", function()
local output = vim.json.decode([[
[{
"lnum": 3,
"col": 1,
"etype": "E",
"message": "block comment should start with '# '",
"number": "E265",
"source": "run-clang-tidy.py"
}]
]])
local diagnostic = parser({ output = output })
assert.same({
{
row = 3,
col = 1,
severity = 1,
code = "E265",
message = "block comment should start with '# '",
source = "run-clang-tidy.py",
},
}, diagnostic)
end)
it("should count exit code of 1 as success", function()
assert.is.True(exit_func(1))
assert.is.True(exit_func(0))
assert.is.False(exit_func(255))
end)
end)
describe("misspell", function()
local linter = diagnostics.misspell
local parser = linter._opts.on_output
local file = {
[[Did I misspell langauge ?]],
}
it("should create a diagnostic", function()
local output = [[stdin:1:15: "langauge" is a misspelling of "language"]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "1",
col = 16,
severity = 3,
message = [["langauge" is a misspelling of "language"]],
}, diagnostic)
end)
end)
describe("vint", function()
local linter = diagnostics.vint
local parser = linter._opts.on_output
it("should create a diagnostic with warning severity", function()
local output = vim.json.decode([[
[{
"file_path": "/home/luc/Projects/Test/vim-scriptease/plugin/scriptease.vim",
"line_number": 5,
"column_number": 37,
"severity": "style_problem",
"description": "Use the full option name `compatible` instead of `cp`",
"policy_name": "ProhibitAbbreviationOption",
"reference": ":help option-summary"
}]
]])
local diagnostic = parser({ output = output })
assert.same({
{
row = 5,
col = 37,
severity = 3,
code = "ProhibitAbbreviationOption",
message = "Use the full option name `compatible` instead of `cp`",
},
}, diagnostic)
end)
end)
describe("yamllint", function()
local linter = diagnostics.yamllint
local parser = linter._opts.on_output
local file = {
[[true]],
}
it("should create a diagnostic with warning severity", function()
local output = [[stdin:1:1: [warning] missing document start "---" (document-start)]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "1",
col = "1",
severity = 2,
code = "document-start",
message = 'missing document start "---"',
}, diagnostic)
end)
end)
describe("jsonlint", function()
local linter = diagnostics.jsonlint
local parser = linter._opts.on_output
local file = {
[[{ "name"* "foo" }]],
}
it("should create a diagnostic", function()
local output = [[rules.json: line 1, col 8, found: 'INVALID' - expected: 'EOF', '}', ':', ',', ']'.]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "1",
col = "8",
message = "found: 'INVALID' - expected: 'EOF', '}', ':', ',', ']'.",
}, diagnostic)
end)
end)
describe("cue_fmt", function()
local linter = diagnostics.cue_fmt
local parser = linter._opts.on_output
local cue_fmt_diagnostics
local done = function(_diagnostics)
cue_fmt_diagnostics = _diagnostics
end
it("should create a diagnostic", function()
local output = vim.trim([[
expected label or ':', found 'INT' 42:
../../../../../../../tmp/null-ls_GLJOFJ.cue:3:2
]])
parser({ output = output }, done)
assert.same({
{
row = "3",
col = "2",
end_col = 3,
severity = 1,
message = "expected label or ':', found 'INT' 42:",
source = "cue_fmt",
},
}, cue_fmt_diagnostics)
end)
end)
describe("alex", function()
local linter = diagnostics.alex
local parser = linter._opts.on_output
local file = {
[[ This is banging ]],
}
it("should create a diagnostic", function()
local output =
[[ 1:9-1:16 warning Reconsider using `banging`, it may be profane banging retext-profanities]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "1",
col = "9",
end_row = "1",
end_col = "16",
severity = 2,
message = "Reconsider using `banging`, it may be profane ",
code = "retext-profanities",
}, diagnostic)
end)
end)
describe("protolint", function()
local linter = diagnostics.protolint
local parser = linter._opts.on_output
local protolint_diagnostics
local done = function(_diagnostics)
protolint_diagnostics = _diagnostics
end
after_each(function()
protolint_diagnostics = nil
end)
it("should create a diagnostic with warning severity", function()
local output = [[
{
"lints": [
{
"filename": "sletmig.proto",
"line": 9,
"column": 1,
"message": "Found an incorrect indentation style \"\". \" \" is correct.",
"rule": "INDENT"
}
]
} ]]
parser({ output = output }, done)
assert.same({
{
row = 9,
col = 1,
severity = 2,
code = "INDENT",
message = 'Found an incorrect indentation style "". " " is correct.',
source = "protolint",
},
}, protolint_diagnostics)
end)
it("should create a diagnostic with error severity", function()
local output = [[found "pc" but expected [;]. Use -v for more details]]
parser({ output = output }, done)
assert.same({
{
row = 1,
severity = 1,
message = 'found "pc" but expected [;]. Use -v for more details',
source = "protolint",
},
}, protolint_diagnostics)
end)
end)
describe("protoc-gen-lint", function()
local linter = diagnostics.protoc_gen_lint
local parser = linter._opts.on_output
it("should create a diagnostic with error severity", function()
local file = [[
syntax = "proto3";
package sample;
service Samle {
// Faulty rpc
rpc () returns () {}
}
]]
local output = [[sample.proto:6:7: Expected method name.]]
local diagnostic = parser(output, { content = file })
assert.same({
row = "6",
col = "7",
message = "Expected method name.",
}, diagnostic)
end)
it("should create a generic diagnostic with error severity", function()
local file = [[
yntax = "proto3"; // Faulty syntax definition
]]
local output =
[[[libprotobuf WARNING google/protobuf/compiler/parser.cc:562] No syntax specified for the proto file: null-ls_1UTH9g.proto. Please use 'syntax = "proto2";' or 'syntax = "proto3";' to specify a syntax version. (Defaulted to proto2 syntax.)]]
local diagnostic = parser(output, { content = file })
assert.same({
message = "No syntax specified for the proto file: null-ls_1UTH9g.proto. Please use 'syntax = \"proto2\";' or 'syntax = \"proto3\";' to specify a syntax version. (Defaulted to proto2 syntax.)",
}, diagnostic)
end)
end)
describe("ansiblelint", function()
local linter = diagnostics.ansiblelint
local parser = linter._opts.on_output
local file = {
[[---]],
[[- name: null-ls]],
[[ hosts: all]],
[[ tasks:]],
[[ - name: This tasks is no good]],
[[ assemble:]],
[[ src: "files"]],
[[ dest: "dest"]],
[[ become: false]],
}
it("should create a diagnostic", function()
local output = [[
[
{
"type": "issue",
"check_name": "[risky-file-permissions] File permissions unset or incorrect",
"categories": [
"unpredictability",
"experimental"
],
"severity": "blocker",
"description": "Missing or unsupported mode parameter can cause unexpected file permissions based on version of Ansible being used. Be explicit, like ``mode: 0644`` to avoid hitting this rule. Special ``preserve`` value is accepted only by copy, template modules. See https://github.com/ansible/ansible/issues/71200",
"fingerprint": "b66d9f9db860c0fedb7d1d583c5a808df9a1ed72b8abdbedeff0aad836490951",
"location": {
"path": "playbooks/test-ansible.yaml",
"lines": {
"begin": 5