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https://github.com/chetan/simplecov-console

Simple console output formatter for SimpleCov
https://github.com/chetan/simplecov-console

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Simple console output formatter for SimpleCov

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# simplecov-console

A simple console output formatter for SimpleCov

## Usage

```bash
$ gem install simplecov-console
```

```ruby
SimpleCov.formatter = SimpleCov::Formatter::Console
# or
SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
SimpleCov::Formatter::HTMLFormatter,
SimpleCov::Formatter::Console,
])
```

Example output:

```text
COVERAGE: 82.34% -- 2345/2848 lines in 111 files

showing bottom (worst) 15 of 69 files
+----------+--------------------------------------------+-------+--------+---------------------------------------------+
| coverage | file | lines | missed | missing |
+----------+--------------------------------------------+-------+--------+---------------------------------------------+
| 22.73% | lib/bixby/api/websocket_server.rb | 22 | 17 | 11, 14, 17-18, 20-22, 24, 28-30, 32, 36-... |
| 30.77% | app/models/role.rb | 13 | 9 | 28-34, 36-37 |
| 32.14% | lib/bixby/modules/metrics/rescan.rb | 28 | 19 | 19-23, 27-31, 33-37, 39-41, 43 |
| 42.86% | lib/archie/mail.rb | 14 | 8 | 6-8, 12-15, 22 |
| 44.00% | lib/archie/controller.rb | 50 | 28 | 18-21, 23, 27-30, 32, 38-40, 44-45, 48-4... |
| 44.44% | app/models/metric_info.rb | 9 | 5 | 38-40, 42, 44 |
| 46.15% | lib/bixby/modules/notifier.rb | 13 | 7 | 13-14, 27-28, 38-40 |
| 46.15% | lib/archie/otp/controller.rb | 26 | 14 | 15-18, 21, 26-27, 31, 33-34, 36-38, 41 |
| 46.88% | app/controllers/rest/models/hosts_contr... | 32 | 17 | 7, 19-22, 24, 28-30, 32, 36-38, 42-44, 48 |
| 47.83% | lib/bixby/hooks.rb | 46 | 24 | 54, 68-70, 72-74, 84-86, 88-90, 104, 111... |
| 48.28% | app/controllers/rest/models/checks_cont... | 29 | 15 | 5, 7-8, 10, 13, 34, 38-40, 44-45, 47, 49... |
| 48.44% | app/controllers/application_controller.rb | 64 | 33 | 19, 35-37, 57, 59-64, 67, 88, 92, 107, 1... |
| 50.00% | app/views/models/repo.rb | 12 | 6 | 10, 12-13, 16-17, 20 |
| 54.55% | lib/ext/sidekiq_logging.rb | 11 | 5 | 9, 15-17, 19 |
| 60.00% | app/views/models/check_template.rb | 10 | 4 | 10-13 |
+----------+--------------------------------------------+-------+--------+---------------------------------------------+
42 file(s) with 100% coverage not shown
```

## Configuration

simplecov-console is configurable through environment variables and/or via Ruby
code, generally in your test helper or setup file.

### Options

```ruby
SimpleCov::Formatter::Console.sort = 'path' # sort by file path
SimpleCov::Formatter::Console.show_covered = true # show all files in coverage report
SimpleCov::Formatter::Console.max_rows = 15 # integer
SimpleCov::Formatter::Console.max_lines = 5 # integer
SimpleCov::Formatter::Console.missing_len = 20 # integer
SimpleCov::Formatter::Console.output_style = 'block' # 'table' (default) or 'block'
SimpleCov::Formatter::Console.table_options = {:style => {:width => 200}}
```

Note that all options except `table_options` can also be set via env var using
the uppercase name, e.g., `MAX_ROWS`.

#### Disabling colorized output

Color support is active by default. To disable, export `NO_COLOR=1`:

```sh
NO_COLOR=1 rake test
```

#### Sorting the output

By default the coverage report sorts by coverage % in descending order. To
sort alphabetically by path:

```ruby
SimpleCov::Formatter::Console.sort = 'path' # sort by file path
```

#### Showing covered files

By default, fully covered files are excluded from the report. To include them:

```ruby
SimpleCov::Formatter::Console.show_covered = true # show all files in coverage report
```

#### Maximum rows displayed

By default, a maximum of 15 files with the worst coverage are displayed in the
report. To override this limit:

```ruby
SimpleCov::Formatter::Console.max_rows = 20 # integer
```

Setting a value of `-1` or `nil` (in Ruby) will show all files.

#### Maximum lines displayed

By default, all missing lines will be included for each displayed file. For
large source files with poor coverage, this may become unwieldy. To show fewer
groups of lines:

```ruby
SimpleCov::Formatter::Console.max_lines = 5 # integer
```

#### Maximum length of missing lines

As an alternative to the above `max_lines` option, you may limit the missing
lines output by number of characters:

```ruby
SimpleCov::Formatter::Console.missing_len = 20 # integer
```

#### Table options

In some cases, you may need to pass some options to `TerminalTable.new`. For
example, if the filenames truncate so much that you can't read them, try
increasing the table width:

```ruby
SimpleCov::Formatter::Console.table_options = {:style => {:width => 200}}
```

#### Block output style

As an alternative to the default table output format, a simpler block format is
also available:

```ruby
SimpleCov::Formatter::Console.output_style = 'block'
```

Example output:

```text
COVERAGE: 82.34% -- 2345/2848 lines in 111 files

showing bottom (worst) 5 of 69 files

file: lib/bixby/api/websocket_server.rb
coverage: 22.73% (17/22 lines)
missed: 11, 14, 17-18, 20-22, 24, 28-30, 32, 36-...

file: app/models/role.rb
coverage: 30.77% (9/13 lines)
missed: 28-34, 36-37

file: lib/bixby/modules/metrics/rescan.rb
coverage: 32.14% (19/28 lines)
missed: 19-23, 27-31, 33-37, 39-41, 43

file: lib/archie/mail.rb
coverage: 42.86% (8/14 lines)
missed: 6-8, 12-15, 22

file: lib/archie/controller.rb
coverage: 44.00% (28/50 lines)
missed: 18-21, 23, 27-30, 32, 38-40, 44-45, 48-4...

42 file(s) with 100% coverage not shown
```

### Branch Coverage Support

When branch coverage is [enabled in
simplecov](https://github.com/simplecov-ruby/simplecov/tree/818bc2547842a90c607b4fec834320766a8686de#branch-coverage-ruby--25),
branch info will automatically be displayed in the output:

```text
COVERAGE: 78.26% -- 18/23 lines in 2 files
BRANCH COVERAGE: 83.33% -- 5/6 branches in 2 branches

+----------+-------------------------------+-------+--------+---------------+-----------------+----------+-----------------+------------------+
| coverage | file | lines | missed | missing | branch coverage | branches | branches missed | branches missing |
+----------+-------------------------------+-------+--------+---------------+-----------------+----------+-----------------+------------------+
| 72.22% | lib/simplecov-console-test.rb | 18 | 5 | 10-12, 16, 25 | 83.33% | 6 | 1 | 25[then] |
+----------+-------------------------------+-------+--------+---------------+-----------------+----------+-----------------+------------------+
```

## History

### 0.9.1 (2021.02.01)

- Fix: Don't add ellipsis if line groups are not truncated - thanks [@lbraun](https://github.com/lbraun)! ([#21](https://github.com/chetan/simplecov-console/pull/21))

### 0.9 (2021.01.21)

- Added support for limiting number of lines shown

### 0.8 (2020.11.11)

- Added support for branch coverage - thanks [@robotdana](https://github.com/robotdana)! ([#19](https://github.com/chetan/simplecov-console/pull/19))

### 0.7.2 (2020.03.05)

- Fix: table output include ([#17](https://github.com/chetan/simplecov-console/issues/17))

### 0.7.1 (2020.03.05)

- Fix: block output doesn't work with frozen string literal ([#16](https://github.com/chetan/simplecov-console/issues/16))

### 0.7 (2020.03.04)

- Added new 'block' style output option - thanks [@hpainter](https://github.com/hpainter)! ([#15](https://github.com/chetan/simplecov-console/issues/15))

### 0.6 (2019.11.08)

- Added new config options: `sort`, `show_covered`, and `max_rows`

### 0.5 (2019.05.24)

- Replaced `hirb` gem with `terminal-table` due to multiple warnings thrown ([#11](https://github.com/chetan/simplecov-console/issues/11))
- Support [disabling colorized](https://no-color.org/) output via `NO_COLOR` env var

## Contributing

* Check out the latest master to make sure the feature hasn't been implemented or the bug hasn't been fixed yet.
* Check out the issue tracker to make sure someone already hasn't requested it and/or contributed it.
* Fork the project.
* Start a feature/bugfix branch.
* Commit and push until you are happy with your contribution.
* Make sure to add tests for it. This is important so I don't break it in a future version unintentionally.
* Please try not to mess with the Rakefile, version, or history. If you want to have your own version, or is otherwise necessary, that is fine, but please isolate to its own commit so I can cherry-pick around it.

### Copyright

Copyright (c) 2020 Chetan Sarva. See LICENSE.txt for
further details.