feat(meta): mutable access to meta for construction

2 files changed, 33 insertions, 1 deletions

diff --git a/src/meta.rs b/src/meta.rs
index 3973d3b..2aaa543 100644
--- a/src/meta.rs
+++ b/src/meta.rs
@@ -20,7 +20,7 @@ use std::collections::HashMap;
 
 /// Structure-ize a Gemini response's meta section into it's mime type and it's
 /// parameters.
-#[derive(Debug)]
+#[derive(Debug, Default)]
 pub struct Meta {
   /// The mime type of a Gemini response
   mime:       String,
@@ -48,6 +48,9 @@ impl ToString for Meta {
 }
 impl Meta {
   #[must_use]
+  pub fn new() -> Self { Self::default() }
+
+  #[must_use]
   pub fn from_string(meta: &str) -> Self {
     let mut metas = meta.split(';');
     let mime = metas.next().unwrap_or("").to_string();
@@ -73,8 +76,14 @@ impl Meta {
   #[must_use]
   pub fn mime(&self) -> &str { &self.mime }
 
+  pub fn mime_mut(&mut self) -> &mut String { &mut self.mime }
+
   #[must_use]
   pub const fn parameters(&self) -> &HashMap<String, String> {
     &self.parameters
   }
+
+  pub fn parameters_mut(&mut self) -> &mut HashMap<String, String> {
+    &mut self.parameters
+  }
 }
diff --git a/tests/meta.rs b/tests/meta.rs
index 2bcccf1..70c8adc 100644
--- a/tests/meta.rs
+++ b/tests/meta.rs
@@ -21,6 +21,29 @@ mod test {
   use germ::meta::Meta;
 
   #[test]
+  fn construct_meta_with_mime() {
+    let mut meta = Meta::new();
+
+    *meta.mime_mut() = "text/gemini".to_string();
+
+    assert_eq!(meta.to_string(), "text/gemini");
+  }
+
+  #[test]
+  fn construct_meta_with_mime_and_parameters() {
+    let mut meta = Meta::new();
+    let mut parameters = std::collections::HashMap::new();
+
+    parameters.insert("hi".to_string(), "2".to_string());
+    parameters.insert("hi2".to_string(), "string=2".to_string());
+
+    *meta.mime_mut() = "text/gemini".to_string();
+    *meta.parameters_mut() = parameters;
+
+    assert_eq!(meta.to_string(), "text/gemini; hi=2; hi2=string=2");
+  }
+
+  #[test]
   fn meta_to_string_without_parameters() {
     let original_string = "text/gemini";