From 022c33949179afdf5c245749d145be76788ca1fb Mon Sep 17 00:00:00 2001
From: figsoda <figsoda@pm.me>
Date: Tue, 3 Jan 2023 14:18:10 -0500
Subject: [PATCH] verify test outputs

---
 Cargo.lock           | 85 ++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml           |  2 ++
 tests/integration.rs | 37 +++++++++++++++++++
 3 files changed, 124 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index bb6fdc0..42da058 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,20 @@ version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61"
 
+[[package]]
+name = "assert_cmd"
+version = "2.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa3d466004a8b4cb1bc34044240a2fd29d17607e2e3bd613eb44fd48e8100da3"
+dependencies = [
+ "bstr",
+ "doc-comment",
+ "predicates",
+ "predicates-core",
+ "predicates-tree",
+ "wait-timeout",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -31,6 +45,18 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bstr"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b45ea9b00a7b3f2988e9a65ad3917e62123c38dba709b666506207be96d1790b"
+dependencies = [
+ "memchr",
+ "once_cell",
+ "regex-automata",
+ "serde",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.78"
@@ -171,6 +197,18 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "difflib"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6184e33543162437515c2e2b48714794e37845ec9851711914eec9d308f6ebe8"
+
+[[package]]
+name = "doc-comment"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
+
 [[package]]
 name = "dunce"
 version = "1.0.3"
@@ -412,6 +450,12 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"
 
+[[package]]
+name = "nu-glob"
+version = "0.73.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "611efd57cc139f149eff12415368b819581c0b0e86944bc8011753e5680a674d"
+
 [[package]]
 name = "num_cpus"
 version = "1.15.0"
@@ -427,11 +471,13 @@ name = "nurl"
 version = "0.3.1"
 dependencies = [
  "anyhow",
+ "assert_cmd",
  "clap",
  "clap_complete",
  "clap_mangen",
  "enum_dispatch",
  "itertools",
+ "nu-glob",
  "once_cell",
  "owo-colors",
  "rustc-hash",
@@ -478,6 +524,33 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
+[[package]]
+name = "predicates"
+version = "2.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59230a63c37f3e18569bdb90e4a89cbf5bf8b06fea0b84e65ea10cc4df47addd"
+dependencies = [
+ "difflib",
+ "itertools",
+ "predicates-core",
+]
+
+[[package]]
+name = "predicates-core"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72f883590242d3c6fc5bf50299011695fa6590c2c70eac95ee1bdb9a733ad1a2"
+
+[[package]]
+name = "predicates-tree"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54ff541861505aabf6ea722d2131ee980b8276e10a1297b94e896dd8b621850d"
+dependencies = [
+ "predicates-core",
+ "termtree",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -551,6 +624,12 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "regex-automata"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+
 [[package]]
 name = "remove_dir_all"
 version = "0.5.3"
@@ -738,6 +817,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "termtree"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95059e91184749cb66be6dc994f67f182b6d897cb3df74a5bf66b5e709295fd8"
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
diff --git a/Cargo.toml b/Cargo.toml
index 6926155..a849955 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,6 +33,8 @@ clap_mangen = "0.2.6"
 url = "2.3.1"
 
 [dev-dependencies]
+assert_cmd = "2.0.7"
+nu-glob = "0.73.0"
 trycmd = "0.14.6"
 
 [profile.release]
diff --git a/tests/integration.rs b/tests/integration.rs
index b3ce41d..c565e74 100644
--- a/tests/integration.rs
+++ b/tests/integration.rs
@@ -1,8 +1,45 @@
+use assert_cmd::Command;
+use nu_glob::glob;
 use trycmd::TestCases;
 
+use std::fs;
+
 #[test]
 fn integration() {
     TestCases::new()
         .default_bin_name("nurl")
         .case("tests/cmd/**/*.toml");
 }
+
+#[test]
+fn verify_outputs() {
+    for path in glob("tests/cmd/**/*.stdout").unwrap() {
+        let path = path.unwrap();
+        let name = path.file_name().unwrap();
+
+        if name == "json.stdout" {
+            eprintln!("skipping {}", path.display());
+            continue;
+        }
+
+        eprintln!("testing {}", path.display());
+
+        let mut expr = String::from_utf8(fs::read(&path).unwrap()).unwrap();
+        expr.insert_str(0, "(import <nixpkgs> { }).");
+
+        if name == "overwrite.stdout" {
+            expr.insert_str(0, r#"let pname = "nurl"; in "#);
+        } else if name == "overwrite_str.stdout" {
+            expr.insert_str(0, r#"let version = "0.3.0"; in "#);
+        }
+
+        Command::new("nix")
+            .arg("build")
+            .arg("--experimental-features")
+            .arg("nix-command")
+            .arg("--impure")
+            .arg("--expr")
+            .arg(expr)
+            .unwrap();
+    }
+}