From 7c69197d0c3a6aaed368eb5bebc7c3d7094e0dd7 Mon Sep 17 00:00:00 2001
From: Ed Page <eopage@gmail.com>
Date: Tue, 10 Apr 2018 09:51:34 -0600
Subject: [PATCH] fix: Reduce deps for users

Markdown parsers and more are foited onto clients because of Skeptic.
This is inspired by the conversation at budziq/rust-skeptic#60 regarding
a "skeptic-lite" using rustdoc.
---
 Cargo.toml       |  4 ----
 README.md        | 17 +++++------------
 README.md.skt.md |  0
 build.rs         |  5 -----
 tests/skeptic.rs | 40 +++++++++++++++++++++++++++++++++++++++-
 5 files changed, 44 insertions(+), 22 deletions(-)
 delete mode 100644 README.md.skt.md
 delete mode 100644 build.rs

diff --git a/Cargo.toml b/Cargo.toml
index 686359686..57524a117 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,8 +10,6 @@ categories = ["template-engine"]
 keywords = ["liquid", "template", "templating", "language", "html"]
 license = "MIT"
 
-build = "build.rs"
-
 [badges]
 travis-ci = { repository = "cobalt-org/liquid-rust" }
 appveyor  = { repository = "cobalt-org/liquid-rust" }
@@ -46,10 +44,8 @@ serde_yaml = { version = "0.7", optional = true }
 serde_json = { version = "1.0", optional = true }
 
 [build-dependencies]
-skeptic = "0.13.2"
 serde = { version = "1.0", features = ["derive"] }
 
 [dev-dependencies]
 difference = "2.0"
-skeptic = "0.13.2"
 serde_yaml = "0.7"
diff --git a/README.md b/README.md
index 2520aeb46..844a2984a 100644
--- a/README.md
+++ b/README.md
@@ -13,13 +13,17 @@ To include liquid in your project add the following to your Cargo.toml:
 liquid = "0.14"
 ```
 
-Now you can use the crate in your code
+Now you can use the crate in your code:
+
 ```rust
 extern crate liquid;
 ```
 
 Example:
+
 ```rust
+extern crate liquid;
+
 let template = liquid::ParserBuilder::with_liquid()
     .build()
     .parse("Liquid! {{num | minus: 2}}").unwrap();
@@ -73,14 +77,3 @@ See
 [comment_block.rs](https://github.com/cobalt-org/liquid-rust/blob/master/src/tags/comment_block.rs)
 for what a block implementation looks like.  You can then register it by
 calling `liquid::ParserBuilder::block`.
-
-----------
-
-<!---
-
-Skeptic template:
-```rust,skeptic-template
-extern crate skeptic; extern crate liquid; fn main() {{ {} }}
-```
-
--->
diff --git a/README.md.skt.md b/README.md.skt.md
deleted file mode 100644
index e69de29bb..000000000
diff --git a/build.rs b/build.rs
deleted file mode 100644
index a780b3d35..000000000
--- a/build.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-extern crate skeptic;
-
-fn main() {
-    skeptic::generate_doc_tests(&["README.md"]);
-}
diff --git a/tests/skeptic.rs b/tests/skeptic.rs
index ff46c9c01..3eefa11e8 100644
--- a/tests/skeptic.rs
+++ b/tests/skeptic.rs
@@ -1 +1,39 @@
-include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));
+use std::env;
+use std::env::consts::EXE_EXTENSION;
+use std::path::Path;
+use std::process::Command;
+
+#[test]
+fn readme_test() {
+    let rustdoc = Path::new("rustdoc").with_extension(EXE_EXTENSION);
+    let readme = Path::new(file!())
+        .parent()
+        .unwrap()
+        .parent()
+        .unwrap()
+        .join("README.md");
+    let exe = env::current_exe().unwrap();
+    let depdir = exe.parent().unwrap();
+    let outdir = depdir.parent().unwrap();
+    let extern_arg = format!(
+        "read_process_memory={}",
+        outdir.join("libread_process_memory.rlib").to_string_lossy()
+    );
+    let mut cmd = Command::new(rustdoc);
+    cmd.args(&["--verbose", "--test", "-L"])
+        .arg(&outdir)
+        .arg("-L")
+        .arg(&depdir)
+        .arg("--extern")
+        .arg(&extern_arg)
+        .arg(&readme);
+    println!("Running `{:?}`", cmd);
+    let result = cmd.spawn()
+        .expect("Failed to spawn process")
+        .wait()
+        .expect("Failed to run process");
+    assert!(
+        result.success(),
+        "Failed to run rustdoc tests on README.md!"
+    );
+}