test(examples): Verify output

Author: epage

Cargo.lock

@@ -29,11 +29,12 @@ itertools = "0.12.1"
 unicode-width = "0.1.11"
 
 [dev-dependencies]
+anstream = "0.6.13"
 criterion = "0.5.1"
 difference = "2.0.0"
 glob = "0.3.1"
 serde = { version = "1.0.197", features = ["derive"] }
-snapbox = { version = "0.5.8", features = ["diff", "harness", "path", "term-svg"] }
+snapbox = { version = "0.5.8", features = ["diff", "harness", "path", "term-svg", "cmd", "examples"] }
 toml = "0.5.11"
 
 [[bench]]

Cargo.toml

@@ -18,6 +18,6 @@ fn main() {
             .annotation(Label::info("while parsing this struct").span(34..50)),
     );
 
-    let renderer = Renderer::plain();
-    println!("{}", renderer.render(snippet));
+    let renderer = Renderer::styled();
+    anstream::println!("{}", renderer.render(snippet));
 }

examples/expected_type.rs

@@ -17,6 +17,6 @@ fn main() {
             "expected type: `snippet::Annotation`\n   found type: `__&__snippet::Annotation`",
         ));
 
-    let renderer = Renderer::plain();
-    println!("{}", renderer.render(snippet));
+    let renderer = Renderer::styled();
+    anstream::println!("{}", renderer.render(snippet));
 }

examples/expected_type.svg

@@ -32,6 +32,6 @@ fn main() {
             .annotation(Label::error("expected enum `std::option::Option`").span(26..724)),
     );
 
-    let renderer = Renderer::plain();
-    println!("{}", renderer.render(snippet));
+    let renderer = Renderer::styled();
+    anstream::println!("{}", renderer.render(snippet));
 }

examples/footer.rs

@@ -5,6 +5,6 @@ fn main() {
         .slice(Slice::new("Foo", 51).origin("src/format.rs"))
         .slice(Slice::new("Faa", 129).origin("src/display.rs"));
 
-    let renderer = Renderer::plain();
-    println!("{}", renderer.render(snippet));
+    let renderer = Renderer::styled();
+    anstream::println!("{}", renderer.render(snippet));
 }

examples/footer.svg

@@ -0,0 +1,37 @@
+#[test]
+fn expected_type() {
+    let target = "expected_type";
+    let expected = snapbox::file!["../examples/expected_type.svg": TermSvg];
+    assert_example(target, expected);
+}
+
+#[test]
+fn footer() {
+    let target = "footer";
+    let expected = snapbox::file!["../examples/footer.svg": TermSvg];
+    assert_example(target, expected);
+}
+
+#[test]
+fn format() {
+    let target = "format";
+    let expected = snapbox::file!["../examples/format.svg": TermSvg];
+    assert_example(target, expected);
+}
+
+#[test]
+fn multislice() {
+    let target = "multislice";
+    let expected = snapbox::file!["../examples/multislice.svg": TermSvg];
+    assert_example(target, expected);
+}
+
+#[track_caller]
+fn assert_example(target: &str, expected: snapbox::Data) {
+    let bin_path = snapbox::cmd::compile_example(target, []).unwrap();
+    snapbox::cmd::Command::new(bin_path)
+        .env("CLICOLOR_FORCE", "1")
+        .assert()
+        .success()
+        .stdout_eq(expected);
+}