fix: Improve color output detection

Cargo.toml

@@ -32,21 +32,21 @@ pre-release-replacements = [
 ]
 
 [features]
-color = ["dep:yansi", "dep:concolor", "concolor?/std", "predicates/color"]
-color-auto = ["color", "concolor?/auto"]
+color = ["dep:anstyle-stream", "predicates/color"]
+color-auto = ["color"]
 
 [[bin]]
 name = "bin_fixture"
 
 [dependencies]
-predicates = { version = "2.1", default-features = false, features = ["diff"] }
-predicates-core = "1.0"
-predicates-tree = "1.0"
+predicates = { version = "3.0.1", default-features = false, features = ["diff"] }
+predicates-core = "1.0.6"
+predicates-tree = "1.0.1"
 doc-comment = "0.3"
 wait-timeout = "0.2.0"
 bstr = "1.0.1"
-yansi = { version = "0.5.1", optional = true }
-concolor = { version = "0.0.12", optional = true }
+anstyle-stream = { version = "0.2.1", optional = true }
+anstyle = "0.3.1"
 
 [dev-dependencies]
 escargot = "0.5"

src/assert.rs

@@ -6,6 +6,8 @@ use std::fmt;
 use std::process;
 use std::str;
 
+#[cfg(feature = "color")]
+use anstyle_stream::panic;
 use predicates::str::PredicateStrExt;
 use predicates_tree::CaseTreeExt;
 
@@ -482,14 +484,9 @@ impl Assert {
 
 impl fmt::Display for Assert {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let palette = crate::Palette::current();
+        let palette = crate::Palette::color();
         for &(ref name, ref context) in &self.context {
-            writeln!(
-                f,
-                "{}=`{}`",
-                palette.key.paint(name),
-                palette.value.paint(context)
-            )?;
+            writeln!(f, "{:#}=`{:#}`", palette.key(name), palette.value(context))?;
         }
         output_fmt(&self.output, f)
     }