Handle adding vector of statuses.

src/diagnostic_status.rs

@@ -38,9 +38,11 @@ impl DiagnosticStatus {
         hardware_id: String,
         values: BTreeMap<String, String>,
     ) -> Self {
+        let cleaned_name = Self::clean_name(&name);
+
         Self {
             level: level,
-            name: name,
+            name: cleaned_name,
             message: message,
             hardware_id: hardware_id,
             values: values,
@@ -132,6 +134,15 @@ impl DiagnosticStatus {
         to_return.name = self.get_child_name();
         return to_return;
     }
+
+    fn clean_name(name: &str) -> String {
+        // Remove prefix "/"
+        let without_prefix = name.strip_prefix("/").unwrap_or(name);
+        // and suffix
+        let without_suffix = name.strip_suffix("/").unwrap_or(without_prefix);
+
+        return without_suffix.to_owned();
+    }
 }
 
 #[cfg(test)]
@@ -180,4 +191,24 @@ mod tests {
         assert!(parent_names[1] == "b");
         assert!(child_name == "c");
     }
+
+    #[test]
+    fn diagnostic_name_cleaning() {
+        let level = DiagnosticLevel::OK;
+        let name = "/a";
+        let message = "I'm ok";
+        let hardware_id = "";
+        let values = BTreeMap::<String, String>::new();
+
+        let diag_status = DiagnosticStatus::new(
+            level,
+            name.to_owned(),
+            message.to_owned(),
+            hardware_id.to_owned(),
+            values,
+        );
+
+        assert!(diag_status.name_is_basic());
+        assert!(diag_status.name() == "a");
+    }
 }

src/lib.rs

@@ -89,6 +89,22 @@ impl DiagnosticGraph {
         Ok(result)
     }
 
+    pub fn child_of_with_name(
+        &self,
+        parent: &limbo_graph::Key,
+        desired_child_name: &str,
+    ) -> anyhow::Result<Option<limbo_graph::Key>> {
+        let all_children = self.children_of(parent)?;
+        for child in all_children.iter() {
+            let child_name = self.value_of(&child)?.name();
+            if child_name == desired_child_name {
+                return Ok(Some(child.clone()));
+            }
+        }
+
+        return Ok(None);
+    }
+
     pub fn add_status(&mut self, status: DiagnosticStatus) -> anyhow::Result<()> {
         // If I'm basic I just need to be added as a child of the root.
         if status.name_is_basic() {
@@ -105,6 +121,8 @@ impl DiagnosticGraph {
 
         'parent_loop: for parent_name in parent_names.iter() {
             let children = self.graph.children_of(&cur_key)?;
+            // There are no children of this parent, so we can add
+            // the parent and go to the next parent.
             if children.len() == 0 {
                 let holder_for_parent = DiagnosticStatus::from_name(parent_name.clone());
                 cur_key = self
@@ -112,11 +130,13 @@ impl DiagnosticGraph {
                     .add(DiagnosticNode::DiagnosticStatus(holder_for_parent), cur_key)?;
                 continue 'parent_loop;
             }
-            'child_loop: for child in children {
+            // This parent does have children, look at them and
+            // update loop if appropriate.
+            for child in children {
                 let child_node = self.graph.value_of(&child)?;
                 if child_node.is_root() {
-                    // child node can't be root, but we'll catch here anyway.
-                    continue 'child_loop;
+                    // A child node can't be root.
+                    return Err(anyhow!("A child node can't be root!"));
                 }
                 if child_node.value().unwrap().name() == *parent_name {
                     // The child node matched the parent we were looking for.
@@ -133,11 +153,34 @@ impl DiagnosticGraph {
                 .add(DiagnosticNode::DiagnosticStatus(holder_for_parent), cur_key)?;
         }
         // We've updated all the parents, so we can add ourselves now.
-        self.graph.add(
-            DiagnosticNode::DiagnosticStatus(status.copy_with_child_name()),
-            cur_key,
-        )?;
 
+        // Do we already exist as a child of parent?
+        let children_of_this_parent = self.graph.children_of(&cur_key)?;
+        let mut names_of_children_of_this_parent = children_of_this_parent.iter().map(|x| {
+            self.graph
+                .value_of(&x)
+                .expect("Given child not in graph.")
+                .value()
+                .expect("Given root node as child?")
+                .name()
+        });
+        let child_in_children_of_this_parent =
+            names_of_children_of_this_parent.any(|x| x == status.get_child_name());
+        if !child_in_children_of_this_parent {
+            // If we don't we can be added.
+            self.graph.add(
+                DiagnosticNode::DiagnosticStatus(status.copy_with_child_name()),
+                cur_key,
+            )?;
+        }
+
+        Ok(())
+    }
+
+    pub fn add_status_vec(&mut self, statuses: &Vec<DiagnosticStatus>) -> anyhow::Result<()> {
+        for status in statuses {
+            self.add_status(status.clone())?;
+        }
         Ok(())
     }
 }
@@ -145,25 +188,27 @@ impl DiagnosticGraph {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use alloc::vec;
 
-    #[test]
-    fn add_one_to_graph() -> anyhow::Result<()> {
+    fn make_a_status_with_name(name: &str) -> DiagnosticStatus {
         let level = DiagnosticLevel::OK;
-        let name = "/a/b/c";
         let message = "I'm ok";
         let hardware_id = "";
         let values = BTreeMap::<String, String>::new();
 
-        let diag_status = DiagnosticStatus::new(
+        DiagnosticStatus::new(
             level,
             name.to_owned(),
             message.to_owned(),
             hardware_id.to_owned(),
             values,
-        );
+        )
+    }
 
+    #[test]
+    fn add_one_to_graph() -> anyhow::Result<()> {
         let mut graph = DiagnosticGraph::new();
-        graph.add_status(diag_status)?;
+        graph.add_status(make_a_status_with_name("/a/b/c"))?;
 
         let first_child_keys = graph.children_of(&graph.root())?;
         assert!(first_child_keys.len() == 1);
@@ -186,4 +231,43 @@ mod tests {
 
         Ok(())
     }
+
+    #[test]
+    fn add_multiple_to_graph() -> anyhow::Result<()> {
+        let statuses = vec![
+            make_a_status_with_name("/a"),
+            make_a_status_with_name("/a/b"),
+            make_a_status_with_name("/a/b/c"),
+            make_a_status_with_name("/a/d/e"),
+            make_a_status_with_name("/a/d/f"),
+            make_a_status_with_name("/a/d"),
+        ];
+
+        let mut graph = DiagnosticGraph::new();
+        graph.add_status_vec(&statuses)?;
+
+        let root_children = graph.children_of(&graph.root())?;
+        assert!(root_children.len() == 1);
+        assert!(graph.value_of(&root_children[0])?.name() == "a");
+
+        let children_of_a = graph.children_of(&root_children[0])?;
+        let mut children_of_a_names = children_of_a
+            .iter()
+            .map(|x| graph.value_of(&x).expect("Value of failed.").name());
+        assert!(children_of_a.len() == 2);
+        assert!(children_of_a_names.any(|x| x == "b"));
+        assert!(children_of_a_names.any(|x| x == "d"));
+
+        let b_key = graph.child_of_with_name(&root_children[0], "b")?;
+        assert!(b_key.is_some());
+        let b_children = graph.children_of(&b_key.unwrap())?;
+        assert!(b_children.len() == 1);
+
+        let d_key = graph.child_of_with_name(&root_children[0], "d")?;
+        assert!(d_key.is_some());
+        let d_children = graph.children_of(&d_key.unwrap())?;
+        assert!(d_children.len() == 2);
+
+        Ok(())
+    }
 }