### child_spec(init_arg)

Source: https://hexdocs.pm/junit_formatter/JUnitFormatter.html

Returns a specification to start this module under a supervisor.

```APIDOC
## child_spec(init_arg)

### Description
Returns a specification to start this module under a supervisor. See `Supervisor` for more details.

### Parameters
- **init_arg** (any) - Required - The initialization argument for the supervisor.
```

--------------------------------

### Configure JUnitFormatter in config.exs

Source: https://hexdocs.pm/junit_formatter/readme.html

Example configuration for setting report file paths, directory locations, and XML output preferences.

```elixir
config :junit_formatter,
  report_file: "report_file_test.xml",
  report_dir: "/tmp",
  print_report_file: true,
  prepend_project_name?: true,
  include_filename?: truecopy
```

--------------------------------

### Configure JUnitFormatter in config.exs

Source: https://hexdocs.pm/junit_formatter/index.html

Example configuration block for setting custom report file paths and formatting options.

```elixir
config :junit_formatter,
  report_file: "report_file_test.xml",
  report_dir: "/tmp",
  print_report_file: true,
  prepend_project_name?: true,
  include_filename?: true
```

--------------------------------

### JUnit XML Report Output

Source: https://hexdocs.pm/junit_formatter/readme.html

Example of the generated XML structure produced by the formatter.

```xml
<?xml version="1.0"?>
<testsuites>
	<testsuite errors="0" failures="0" name="Elixir.FormatterTest" tests="4" time="82086">
		<testcase classname="Elixir.FormatterTest" name="test it counts raises as failures" time="16805"/>
		<testcase classname="Elixir.FormatterTest" name="test that an invalid test generates a proper report" time="16463"/>
		<testcase classname="Elixir.FormatterTest" name="test that a valid test generates a proper report" time="16328"/>
		<testcase classname="Elixir.FormatterTest" name="test valid and invalid tests generates a proper report" time="32490"/>
	</testsuite>
</testsuites>
```

--------------------------------

### Get report file path

Source: https://hexdocs.pm/junit_formatter/JUnitFormatter.html

Retrieves the full path for the generated XML report, configurable via report_dir and report_file settings.

```elixir
@spec get_report_file_path() :: String.t()
```

--------------------------------

### Run Tests

Source: https://hexdocs.pm/junit_formatter/readme.html

Execute tests using the standard Mix command.

```text
....

Finished in 0.1 seconds (0.07s on load, 0.08s on tests)
4 tests, 0 failures

Randomized with seed 600810
```

--------------------------------

### Configure project directory path

Source: https://hexdocs.pm/junit_formatter/readme.html

Sets the base directory for test file paths in the report relative to the umbrella root.

```elixir
config :junit_formatter,
  project_dir: Path.expand("..", __DIR__)
```

--------------------------------

### Configure ExUnit Formatter

Source: https://hexdocs.pm/junit_formatter/readme.html

Register the formatter in your test helper file. You can use it exclusively or alongside the default CLI formatter.

```elixir
ExUnit.configure formatters: [JUnitFormatter]
ExUnit.start
```

```elixir
ExUnit.configure formatters: [JUnitFormatter, ExUnit.CLIFormatter]
ExUnit.start
```

--------------------------------

### Add Dependency to mix.exs

Source: https://hexdocs.pm/junit_formatter/readme.html

Include the library in your project dependencies, restricted to the test environment.

```elixir
  defp deps do
    [
      {:junit_formatter, "~> 3.4", only: [:test]}
    ]
  end
```

--------------------------------

### Configure report directory

Source: https://hexdocs.pm/junit_formatter/readme.html

Sets a custom directory for generated XML reports.

```elixir
config :junit_formatter,
  report_dir: "/tmp"
```

--------------------------------

### format_time(time)

Source: https://hexdocs.pm/junit_formatter/JUnitFormatter.html

Formats time from nanoseconds to seconds.

```APIDOC
## format_time(time)

### Description
Converts a time value from nanoseconds to a formatted string in seconds.

### Parameters
- **time** (integer) - Required - The time in nanoseconds.

### Returns
- **binary** - The formatted time string.
```

--------------------------------

### Format time for JUnit report

Source: https://hexdocs.pm/junit_formatter/JUnitFormatter.html

Converts time from nanoseconds to a seconds-based binary format.

```elixir
@spec format_time(integer()) :: binary()
```

--------------------------------

### get_report_file_path()

Source: https://hexdocs.pm/junit_formatter/JUnitFormatter.html

Retrieves the full path of the generated JUnit report file.

```APIDOC
## get_report_file_path()

### Description
Helper function to get the full path of the generated report file. It respects configurations for the directory and filename.

### Configuration Options
- **report_dir** (string) - Optional - Full path of a directory (defaults to `Mix.Project.app_path()`).
- **report_file** (string) - Optional - Name of the generated file (defaults to "test-junit-report.xml").

### Returns
- **String.t** - The full path to the report file.
```

--------------------------------

### Define JUnitFormatter.Stats type

Source: https://hexdocs.pm/junit_formatter/JUnitFormatter.Stats.html

Represents the structure of the Stats object used for tracking test suite metrics.

```elixir
@type t() :: %JUnitFormatter.Stats{
  errors: non_neg_integer(),
  failures: non_neg_integer(),
  skipped: non_neg_integer(),
  test_cases: [ExUnit.Test.t()],
  tests: non_neg_integer(),
  time: non_neg_integer()
}
```

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