Move printing config to example from tests

Signed-off-by: Marcel Müller <m.mueller@ifm.com>

3 files changed, 243 insertions, 79 deletions

diff --git a/Cargo.lock b/Cargo.lock
index ae291b95..b0cec5fc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -84,6 +84,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "38de00daab4eac7d753e97697066238d67ce9d7e2d823ab4f72fe14af29f3f33"
 
 [[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+
+[[package]]
 name = "assert-json-diff"
 version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -486,6 +492,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "coolor"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aaebeb52e38d53b890ebcb723ff23462f39353d4e73db48284591e6395a1c25e"
+dependencies = [
+ "crossterm",
+]
+
+[[package]]
 name = "cpufeatures"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -540,6 +555,20 @@ dependencies = [
 ]
 
 [[package]]
+name = "crossbeam"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ae5588f6b3c3cb05239e90bd110f257254aecd01e4635400391aeae07497845"
+dependencies = [
+ "cfg-if 1.0.0",
+ "crossbeam-channel",
+ "crossbeam-deque",
+ "crossbeam-epoch",
+ "crossbeam-queue",
+ "crossbeam-utils",
+]
+
+[[package]]
 name = "crossbeam-channel"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -574,6 +603,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "crossbeam-queue"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f25d8400f4a7a5778f0e4e52384a48cbd9b5c495d110786187fc750075277a2"
+dependencies = [
+ "cfg-if 1.0.0",
+ "crossbeam-utils",
+]
+
+[[package]]
 name = "crossbeam-utils"
 version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -584,6 +623,31 @@ dependencies = [
 ]
 
 [[package]]
+name = "crossterm"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c85525306c4291d1b73ce93c8acf9c339f9b213aef6c1d85c3830cbf1c16325c"
+dependencies = [
+ "bitflags",
+ "crossterm_winapi",
+ "libc",
+ "mio 0.7.14",
+ "parking_lot 0.11.2",
+ "signal-hook",
+ "signal-hook-mio",
+ "winapi",
+]
+
+[[package]]
+name = "crossterm_winapi"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ae1b35a484aa10e07fe0638d02301c5ad24de82d310ccbd2f3693da5f09bf1c"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
 name = "csv"
 version = "1.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1362,6 +1426,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "minimad"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd37b2e65fbd459544194d8f52ed84027e031684335a062c708774c09d172b0b"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
 name = "minimal-lexical"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1379,6 +1452,19 @@ dependencies = [
 
 [[package]]
 name = "mio"
+version = "0.7.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8067b404fe97c70829f082dec8bcf4f71225d7eaea1d8645349cb76fa06205cc"
+dependencies = [
+ "libc",
+ "log",
+ "miow",
+ "ntapi",
+ "winapi",
+]
+
+[[package]]
+name = "mio"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ba42135c6a5917b9db9cd7b293e5409e1c6b041e6f9825e92e55a894c63b6f8"
@@ -1550,6 +1636,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "nu-ansi-term"
+version = "0.45.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7bca0d33a384280d1563b97f49cb95303df9fa22588739a04b7d8015c1ccd50"
+dependencies = [
+ "overload",
+ "winapi",
+]
+
+[[package]]
 name = "num"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1693,6 +1789,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "overload"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
+
+[[package]]
 name = "parking_lot"
 version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1902,6 +2004,19 @@ dependencies = [
 ]
 
 [[package]]
+name = "pretty"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83f3aa1e3ca87d3b124db7461265ac176b40c277f37e503eaa29c9c75c037846"
+dependencies = [
+ "arrayvec",
+ "log",
+ "termcolor",
+ "typed-arena",
+ "unicode-segmentation",
+]
+
+[[package]]
 name = "pretty_assertions"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2538,6 +2653,27 @@ dependencies = [
 ]
 
 [[package]]
+name = "signal-hook"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "647c97df271007dcea485bb74ffdb57f2e683f1306c854f468a0c244badabf2d"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
+[[package]]
+name = "signal-hook-mio"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29ad2e15f37ec9a6cc544097b78a1ec90001e9f71b81338ca39f430adaca99af"
+dependencies = [
+ "libc",
+ "mio 0.7.14",
+ "signal-hook",
+]
+
+[[package]]
 name = "signal-hook-registry"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2723,8 +2859,12 @@ dependencies = [
  "downcast-rs",
  "futures",
  "miette",
+ "nu-ansi-term",
+ "pretty",
  "serde",
  "static_assertions",
+ "termcolor",
+ "termimad",
  "thiserror",
  "tokio",
  "tokio-util 0.7.0",
@@ -2847,14 +2987,28 @@ dependencies = [
 
 [[package]]
 name = "termcolor"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
+checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
 dependencies = [
  "winapi-util",
 ]
 
 [[package]]
+name = "termimad"
+version = "0.20.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48c14caf224b3f3d43d93d0532098f9e4906bd79e0978a2e10951f17aab7898b"
+dependencies = [
+ "coolor",
+ "crossbeam",
+ "crossterm",
+ "minimad",
+ "thiserror",
+ "unicode-width",
+]
+
+[[package]]
 name = "termtree"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2994,7 +3148,7 @@ dependencies = [
  "bytes",
  "libc",
  "memchr",
- "mio",
+ "mio 0.8.1",
  "num_cpus",
  "once_cell",
  "parking_lot 0.12.0",
@@ -3229,6 +3383,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "typed-arena"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0685c84d5d54d1c26f7d3eb96cd41550adb97baed141a761cf335d3d33bcd0ae"
+
+[[package]]
 name = "typenum"
 version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/crates/core/tedge_api/examples/print_config.rs b/crates/core/tedge_api/examples/print_config.rs
new file mode 100644
index 00000000..b7796a65
--- /dev/null
+++ b/crates/core/tedge_api/examples/print_config.rs
@@ -0,0 +1,80 @@
+use std::collections::HashMap;
+
+use nu_ansi_term::Color;
+use pretty::Arena;
+use tedge_api::config::{AsConfig, Config, ConfigKind};
+struct Port(u64);
+
+impl AsConfig for Port {
+    fn as_config() -> Config {
+        Config::new(
+            String::from("Integer"),
+            ConfigKind::Integer,
+            Some("A TCP port number is an integer between 0 and 65535"),
+        )
+    }
+}
+
+struct VHost;
+
+impl AsConfig for VHost {
+    fn as_config() -> Config {
+        Config::new(
+            String::from("VHost"),
+            ConfigKind::Struct(HashMap::from([(String::from("name"), String::as_config())])),
+            Some("A virtual host definition"),
+        )
+    }
+}
+
+fn main() {
+    let arena = Arena::new();
+
+    let doc = Vec::<String>::as_config();
+    let rendered_doc = doc.as_terminal_doc(&arena);
+
+    let mut output = String::new();
+
+    rendered_doc.render_fmt(80, &mut output).unwrap();
+
+    println!(
+        "------- Output for {}",
+        std::any::type_name::<Vec<String>>()
+    );
+    println!("{}", output);
+
+    let arena = Arena::new();
+
+    let doc = Config::new(
+            String::from("ServerConfig"),
+            ConfigKind::Struct(HashMap::from([
+                (String::from("port"), Port::as_config()),
+                (String::from("interface"), String::as_config()),
+                (String::from("virtual_hosts"), Vec::<VHost>::as_config()),
+                (String::from("headers"), HashMap::<String, String>::as_config()),
+            ])),
+            Some("Specify how the server should be started\n\n## Note\n\nThis is a reallly really loooooooooooooooooong loooooooooooooooooooong new *line*."),
+        );
+    let rendered_doc = doc.as_terminal_doc(&arena);
+
+    let mut output = String::new();
+
+    rendered_doc.render_fmt(80, &mut output).unwrap();
+
+    println!(
+        "Configuration for {} plugin kinds",
+        Color::White.bold().paint(doc.name())
+    );
+    println!(
+        "{}",
+        Color::White.dimmed().bold().paint(format!(
+            "=================={}=============",
+            std::iter::repeat('=')
+                .take(doc.name().len())
+                .collect::<String>()
+        ))
+    );
+    println!("------- Output for ServerConfig");
+    println!("{}", output);
+    println!("-------");
+}
diff --git a/crates/core/tedge_api/src/config.rs b/crates/core/tedge_api/src/config.rs
index 9ae1d532..3d397e51 100644
--- a/crates/core/tedge_api/src/config.rs
+++ b/crates/core/tedge_api/src/config.rs
@@ -191,9 +191,6 @@ impl Config {
 mod tests {
     use std::collections::HashMap;
 
-    use nu_ansi_term::Color;
-    use pretty::Arena;
-
     use crate::config::{AsConfig, Config, ConfigKind};
 
     #[test]
@@ -214,77 +211,4 @@ mod tests {
             matches!(complex_config.kind(), ConfigKind::HashMap(map) if matches!(map.kind(), ConfigKind::Array(arr) if matches!(arr.kind(), ConfigKind::HashMap(inner_map) if matches!(inner_map.kind(), ConfigKind::String))))
         );
     }
-
-    struct Port(u64);
-
-    impl AsConfig for Port {
-        fn as_config() -> Config {
-            Config::new(
-                String::from("Integer"),
-                ConfigKind::Integer,
-                Some("A TCP port number is an integer between 0 and 65535"),
-            )
-        }
-    }
-
-    struct VHost;
-
-    impl AsConfig for VHost {
-        fn as_config() -> Config {
-            Config::new(
-                String::from("VHost"),
-                ConfigKind::Struct(HashMap::from([(String::from("name"), String::as_config())])),
-                Some("A virtual host definition"),
-            )
-        }
-    }
-
-    #[test]
-    fn check_terminal_output() {
-        let arena = Arena::new();
-
-        let doc = Vec::<String>::as_config();
-        let rendered_doc = doc.as_terminal_doc(&arena);
-
-        let mut output = String::new();
-
-        rendered_doc.render_fmt(80, &mut output).unwrap();
-
-        println!("{}", output);
-        println!("-------");
-
-        let arena = Arena::new();
-
-        let doc = Config::new(
-            String::from("ServerConfig"),
-            ConfigKind::Struct(HashMap::from([
-                (String::from("port"), Port::as_config()),
-                (String::from("interface"), String::as_config()),
-                (String::from("virtual_hosts"), Vec::<VHost>::as_config()),
-                (String::from("headers"), HashMap::<String, String>::as_config()),
-            ])),
-            Some("Specify how the server should be started\n\n## Note\n\nThis is a reallly really loooooooooooooooooong loooooooooooooooooooong new *line*."),
-        );
-        let rendered_doc = doc.as_terminal_doc(&arena);
-
-        let mut output = String::new();
-
-        rendered_doc.render_fmt(80, &mut output).unwrap();
-
-        println!(
-            "Configuration for {} plugin kinds",
-            Color::White.bold().paint(doc.name())
-        );
-        println!(
-            "{}",
-            Color::White.dimmed().bold().paint(format!(
-                "=================={}=============",
-                std::iter::repeat('=')
-                    .take(doc.name().len())
-                    .collect::<String>()
-            ))
-        );
-        println!("{}", output);
-        println!("-------");
-    }
 }