From 4d0b6df0f2885868a16eb746e6cad53f349b1dae Mon Sep 17 00:00:00 2001
From: William Desportes <williamdes@wdes.fr>
Date: Sun, 2 Oct 2022 20:27:52 +0200
Subject: [PATCH] Add tests for the library

---
 Cargo.lock | 347 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 Cargo.toml |   4 +
 src/lib.rs |  85 +++++++++++++
 3 files changed, 431 insertions(+), 5 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 8bcef4b..75ef883 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -94,6 +94,12 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "base-x"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
+
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -191,8 +197,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bfd4d1b31faaa3a89d7934dbded3111da0d2ef28e3ebccdb4f0179f5929d1ef1"
 dependencies = [
  "iana-time-zone",
+ "js-sys",
  "num-integer",
  "num-traits",
+ "time 0.1.44",
+ "wasm-bindgen",
  "winapi 0.3.9",
 ]
 
@@ -289,6 +298,12 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "const_fn"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbdcdcb6d86f71c5e97409ad45898af11cbc995b4ee8112d59095a28d376c935"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -342,6 +357,16 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "ctor"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdffe87e1d521a10f9696f833fe502293ea446d7f256c06128293a4119bdf4cb"
+dependencies = [
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "darling"
 version = "0.12.4"
@@ -414,6 +439,12 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "850878694b7933ca4c9569d30a34b55031b9b139ee1fc7b94a527c4ef960d690"
 
+[[package]]
+name = "diff"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -463,12 +494,88 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "discard"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
+
+[[package]]
+name = "dtoa"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56899898ce76aaf4a0f24d914c97ea6ed976d42fec6ad33fcbb0a1103e07b2b0"
+
 [[package]]
 name = "either"
 version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
 
+[[package]]
+name = "encoding"
+version = "0.2.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b0d943856b990d12d3b55b359144ff341533e516d94098b1d3fc1ac666d36ec"
+dependencies = [
+ "encoding-index-japanese",
+ "encoding-index-korean",
+ "encoding-index-simpchinese",
+ "encoding-index-singlebyte",
+ "encoding-index-tradchinese",
+]
+
+[[package]]
+name = "encoding-index-japanese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04e8b2ff42e9a05335dbf8b5c6f7567e5591d0d916ccef4e0b1710d32a0d0c91"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-korean"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dc33fb8e6bcba213fe2f14275f0963fd16f0a02c878e3095ecfdf5bee529d81"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-simpchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d87a7194909b9118fc707194baa434a4e3b0fb6a5a757c73c3adb07aa25031f7"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-singlebyte"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3351d5acffb224af9ca265f435b859c7c01537c0849754d3db3fdf2bfe2ae84a"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-tradchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd0e20d5688ce3cab59eb3ef3a2083a5c77bf496cb798dc6fcdb75f323890c18"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding_index_tests"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.31"
@@ -771,7 +878,7 @@ checksum = "75f43d41e26995c17e71ee126451dd3941010b0514a81a9d11f3b341debc2399"
 dependencies = [
  "bytes",
  "fnv",
- "itoa",
+ "itoa 1.0.3",
 ]
 
 [[package]]
@@ -818,7 +925,7 @@ dependencies = [
  "http-body",
  "httparse",
  "httpdate",
- "itoa",
+ "itoa 1.0.3",
  "pin-project-lite",
  "socket2",
  "tokio",
@@ -941,6 +1048,12 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "879d54834c8c76457ef4293a689b2a8c59b076067ad77b15efafbb05f92a592b"
 
+[[package]]
+name = "itoa"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b71991ff56294aa922b450139ee08b3bfc70982c6b2c7562771375cf73542dd4"
+
 [[package]]
 name = "itoa"
 version = "1.0.3"
@@ -1015,6 +1128,12 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
+
 [[package]]
 name = "log"
 version = "0.4.17"
@@ -1024,6 +1143,25 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "lopdf"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8146695b97752d9c66da0092c6364f8f3ca683f5ea34341db21e5550c3b8c4f4"
+dependencies = [
+ "chrono",
+ "dtoa",
+ "encoding",
+ "flate2",
+ "itoa 0.4.8",
+ "lazy_static",
+ "linked-hash-map",
+ "log",
+ "pom",
+ "time 0.2.27",
+ "weezl",
+]
+
 [[package]]
 name = "md-5"
 version = "0.9.1"
@@ -1040,6 +1178,8 @@ name = "md2pdf"
 version = "0.0.3"
 dependencies = [
  "clap 4.0.8",
+ "lopdf",
+ "pretty_assertions",
  "pulldown-cmark",
  "tectonic",
 ]
@@ -1327,6 +1467,15 @@ version = "6.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ff7415e9ae3fff1225851df9e0d9e4e5479f947619774677a63572e55e80eff"
 
+[[package]]
+name = "output_vt100"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "628223faebab4e3e40667ee0b2336d34a5b960ff60ea743ddfdbcf7770bcfb66"
+dependencies = [
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "parse-zoneinfo"
 version = "0.3.0"
@@ -1389,7 +1538,7 @@ checksum = "4c8717927f9b79515e565a64fe46c38b8cd0427e64c40680b14a7365ab09ac8d"
 dependencies = [
  "once_cell",
  "pest",
- "sha1",
+ "sha1 0.10.5",
 ]
 
 [[package]]
@@ -1493,12 +1642,30 @@ version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
 
+[[package]]
+name = "pom"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07e2192780e9f8e282049ff9bffcaa28171e1cb0844f49ed5374e518ae6024ec"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
+[[package]]
+name = "pretty_assertions"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a25e9bcb20aa780fd0bb16b72403a9064d6b3f22f026946029acb941a50af755"
+dependencies = [
+ "ctor",
+ "diff",
+ "output_vt100",
+ "yansi",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -1523,6 +1690,12 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.46"
@@ -1732,6 +1905,15 @@ version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
 
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.11"
@@ -1780,6 +1962,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "serde"
 version = "1.0.145"
@@ -1806,7 +2003,7 @@ version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e55a28e3aaef9d5ce0506d0a14dbba8054ddc7e499ef522dd8b26859ec9d4a44"
 dependencies = [
- "itoa",
+ "itoa 1.0.3",
  "ryu",
  "serde",
 ]
@@ -1818,11 +2015,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
 dependencies = [
  "form_urlencoded",
- "itoa",
+ "itoa 1.0.3",
  "ryu",
  "serde",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1da05c97445caa12d05e848c4a4fcbbea29e748ac28f7e80e9b010392063770"
+dependencies = [
+ "sha1_smol",
+]
+
 [[package]]
 name = "sha1"
 version = "0.10.5"
@@ -1834,6 +2040,12 @@ dependencies = [
  "digest 0.10.5",
 ]
 
+[[package]]
+name = "sha1_smol"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae1a47186c03a32177042e55dbc5fd5aee900b8e0069a8d70fba96a9375cd012"
+
 [[package]]
 name = "sha2"
 version = "0.9.9"
@@ -1881,6 +2093,64 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "standback"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e113fb6f3de07a243d434a56ec6f186dfd51cb08448239fe7bcae73f87ff28ff"
+dependencies = [
+ "version_check",
+]
+
+[[package]]
+name = "stdweb"
+version = "0.4.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d022496b16281348b52d0e30ae99e01a73d737b2f45d38fed4edf79f9325a1d5"
+dependencies = [
+ "discard",
+ "rustc_version",
+ "stdweb-derive",
+ "stdweb-internal-macros",
+ "stdweb-internal-runtime",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "stdweb-derive"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-macros"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
+dependencies = [
+ "base-x",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "sha1 0.6.1",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-runtime"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
+
 [[package]]
 name = "strsim"
 version = "0.8.0"
@@ -2319,6 +2589,55 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+dependencies = [
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "time"
+version = "0.2.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4752a97f8eebd6854ff91f1c1824cd6160626ac4bd44287f7f4ea2035a02a242"
+dependencies = [
+ "const_fn",
+ "libc",
+ "standback",
+ "stdweb",
+ "time-macros",
+ "version_check",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "time-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "957e9c6e26f12cb6d0dd7fc776bb67a706312e7299aed74c8dd5b17ebb27e2f1"
+dependencies = [
+ "proc-macro-hack",
+ "time-macros-impl",
+]
+
+[[package]]
+name = "time-macros-impl"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd3c141a1b43194f3f56a1411225df8646c55781d5f26db825b3d98507eb482f"
+dependencies = [
+ "proc-macro-hack",
+ "proc-macro2",
+ "quote",
+ "standback",
+ "syn",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
@@ -2591,6 +2910,12 @@ version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
+[[package]]
+name = "wasi"
+version = "0.10.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -2692,6 +3017,12 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "weezl"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9193164d4de03a926d909d3bc7c30543cecb35400c02114792c2cae20d5e2dbb"
+
 [[package]]
 name = "which"
 version = "4.3.0"
@@ -2817,6 +3148,12 @@ dependencies = [
  "dirs 4.0.0",
 ]
 
+[[package]]
+name = "yansi"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
+
 [[package]]
 name = "zip"
 version = "0.5.13"
diff --git a/Cargo.toml b/Cargo.toml
index 7aa3621..0e419fb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,3 +22,7 @@ path = "src/lib.rs"
 [[bin]]
 name = "md2pdf"
 path = "src/main.rs"
+
+[dev-dependencies]
+pretty_assertions = "1.3.0"
+lopdf = "0.27.0"
diff --git a/src/lib.rs b/src/lib.rs
index 7260522..326acfb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -128,3 +128,88 @@ pub fn markdown_to_pdf(markdown: String) -> Result<Vec<u8>, tectonic::Error> {
     tectonic::latex_to_pdf(markdown_to_latex(markdown))
 }
 
+#[cfg(test)]
+mod tests {
+    use super::{markdown_to_latex, markdown_to_pdf};
+    use pretty_assertions::assert_eq;
+    use std::io::Cursor;
+    use lopdf::Document;
+
+    const MARKDOWN_IN: &str = r#"# First title
+Some content
+## Second level
+Text
+[link](https://example.com)
+**Bold**
+__Italic__
+"#;
+    const LATEXT_OUT: &str = r#"\documentclass{scrartcl}
+\usepackage{graphicx}
+\usepackage{hyperref}
+\usepackage{listings}
+\usepackage{xcolor}
+\definecolor{colKeys}{rgb}{0,0.5,0}
+\definecolor{colIdentifier}{rgb}{0,0,0}
+\definecolor{colComments}{rgb}{0,0.5,1}
+\definecolor{colString}{rgb}{0.6,0.1,0.1}
+\definecolor{colBackground}{rgb}{0.95,0.95,1}
+\lstset{%configuration de listings
+   float=hbp,%
+   basicstyle=\ttfamily\small,%
+   %
+   identifierstyle=\color{colIdentifier}, %
+   keywordstyle=\color{colKeys}, %
+   stringstyle=\color{colString}, %
+   commentstyle=\color{colComments}\textit, %
+   %
+   backgroundcolor=\color{colBackground},%
+   %
+   columns=flexible, %
+   tabsize=2, %
+   frame=trbl, %
+   %frameround=tttt,%
+   extendedchars=true, %
+   showspaces=false, %
+   showstringspaces=false, %
+   numbers=left, %
+   numberstyle=\tiny, %
+   breaklines=true, %
+   breakautoindent=true, %
+   captionpos=b,%
+   xrightmargin=0.2cm, %
+   xleftmargin=0.2cm
+}
+\begin{document}
+\section{First title}
+Some content\subsection{Second level}
+Text
+\href{https://example.com}{link}
+\textbf{Bold}
+\textbf{Italic}
+\end{document}
+"#;
+
+    #[test]
+    fn test_md_to_latex() {
+        let output = markdown_to_latex(MARKDOWN_IN.to_string());
+        assert_eq!(LATEXT_OUT, output);
+    }
+
+    #[test]
+    fn test_latex_to_pdf() {
+        let output = markdown_to_pdf(MARKDOWN_IN.to_string());
+
+        match output {
+            Ok(data) => {
+                let mut file = Cursor::new(data);
+                match Document::load_from(&mut file){
+                    Ok(doc) => {
+                        assert_eq!("1.5", doc.version);
+                    },
+                    Err(_) => assert!(true)
+                }
+            },
+            Err(_) => assert!(true)
+        }
+    }
+}
\ No newline at end of file