Update changelogs (#56)

* Update changelog link

* Add pretty assertions

Makes seeing test differences easier

* Update jruby changelog link

* Expected on the left

In ruby expected comes before actual. Swap the order of the assertions.

* Fix tests and don't break newline

Cargo.toml

@@ -34,3 +34,4 @@ libherokubuildpack = { version = "0.24.0", default-features = false, features =
 # File locking (FLOCK)
 fs2 = "0.4"
 
+pretty_assertions = "1.4.1"

jruby_executable/src/bin/jruby_changelog.rs

@@ -22,7 +22,7 @@ fn jruby_changelog(args: &Args) -> Result<(), Box<dyn Error>> {
     let changelog = formatdoc! {"
         ## JRuby version {version} is now available
 
-        [JRuby v{version}](/articles/ruby-support#ruby-versions) is now available on Heroku. To run
+        [JRuby v{version}](/articles/ruby-support-reference#ruby-versions) is now available on Heroku. To run
         your app using this version of Ruby, add the following `ruby` directive to your Gemfile:
 
         ```ruby

ruby_executable/Cargo.toml

@@ -21,3 +21,6 @@ libherokubuildpack = { workspace = true }
 chrono = { workspace = true }
 sha2 = { workspace = true }
 gem_version = { workspace = true }
+
+[dev-dependencies]
+pretty_assertions = { workspace = true }

ruby_executable/src/bin/ruby_changelog.rs

@@ -29,7 +29,7 @@ where
     let changelog = formatdoc! {"
         ## Ruby version {version} is now available
 
-        [Ruby v{version}](/articles/ruby-support#ruby-versions) is now available on Heroku. To run
+        [Ruby v{version}](/articles/ruby-support#ruby-versions) is now available on Heroku. To run \
         your app using this version of Ruby, add the following `ruby` directive to your Gemfile:
 
         ```ruby
@@ -72,6 +72,7 @@ fn main() {
 #[cfg(test)]
 mod test {
     use super::*;
+    use pretty_assertions::assert_eq;
 
     #[test]
     fn regular_release() {
@@ -86,7 +87,7 @@ mod test {
 
                 ## Ruby version 3.3.2 is now available
 
-                [Ruby v3.3.2](/articles/ruby-support#ruby-versions) is now available on Heroku. To run
+                [Ruby v3.3.2](/articles/ruby-support#ruby-versions) is now available on Heroku. To run \
                 your app using this version of Ruby, add the following `ruby` directive to your Gemfile:
 
                 ```ruby
@@ -95,7 +96,7 @@ mod test {
 
                 For more information on [Ruby 3.3.2, you can view the release announcement](https://www.ruby-lang.org/en/news/).
             "};
-        assert_eq!(actual.trim(), expected.trim());
+        assert_eq!(expected.trim(), actual.trim());
     }
 
     #[test]
@@ -111,7 +112,7 @@ mod test {
 
                 ## Ruby version 3.1.0-rc1 is now available
 
-                [Ruby v3.1.0-rc1](/articles/ruby-support#ruby-versions) is now available on Heroku. To run
+                [Ruby v3.1.0-rc1](/articles/ruby-support#ruby-versions) is now available on Heroku. To run \
                 your app using this version of Ruby, add the following `ruby` directive to your Gemfile:
 
                 ```ruby