mirror of
https://github.com/martinvonz/jj.git
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graphlog: expose width() method to precompute graph width
This commit is contained in:
Yuya Nishihara
parent
6539381155
commit
2a32d81542
259
src/graphlog.rs
259
src/graphlog.rs
@ -13,8 +13,8 @@
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// limitations under the License.
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use std::hash::Hash;
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use std::io;
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use std::io::Write;
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use std::{cmp, io};
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use itertools::Itertools;
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use jujutsu_lib::settings::UserSettings;
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@ -55,6 +55,8 @@ pub trait GraphLog<K: Clone + Eq + Hash> {
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node_symbol: &str,
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text: &str,
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) -> io::Result<()>;
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fn width(&self, id: &K, edges: &[Edge<K>]) -> usize;
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}
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pub struct SaplingGraphLog<'writer, R> {
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@ -96,6 +98,12 @@ where
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write!(self.writer, "{row}")
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}
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fn width(&self, id: &K, edges: &[Edge<K>]) -> usize {
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let parents = edges.iter().map_into().collect();
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let w: u64 = self.renderer.width(Some(id), Some(&parents));
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w.try_into().unwrap()
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}
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}
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impl<'writer, R> SaplingGraphLog<'writer, R> {
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@ -281,6 +289,12 @@ impl<'writer, K: Clone + Eq + Hash> GraphLog<K> for AsciiGraphDrawer<'writer, K>
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Ok(())
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}
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fn width(&self, id: &K, edges: &[Edge<K>]) -> usize {
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let orig = self.edges.len() - usize::from(self.index_by_target(id).is_some());
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let added = cmp::max(edges.len(), 1);
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2 * (orig + added)
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}
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}
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impl<'writer, K: Clone + Eq + Hash> AsciiGraphDrawer<'writer, K> {
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@ -413,14 +427,39 @@ impl<'writer, K: Clone + Eq + Hash> AsciiGraphDrawer<'writer, K> {
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mod tests {
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use super::*;
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/// Adapter to insert width calculation for each `.add_node()`
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struct AsciiGraphDrawerWithWidths<'writer, K> {
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inner: AsciiGraphDrawer<'writer, K>,
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}
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impl<'writer, K: Clone + Eq + Hash> AsciiGraphDrawerWithWidths<'writer, K> {
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fn new(writer: &'writer mut dyn Write) -> Self {
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AsciiGraphDrawerWithWidths {
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inner: AsciiGraphDrawer::new(writer),
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}
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}
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fn add_node(
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&mut self,
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id: &K,
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edges: &[Edge<K>],
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node_symbol: &str,
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text: &str,
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) -> io::Result<()> {
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let width = self.inner.width(id, edges);
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let text = format!("{text} [width={width}]");
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self.inner.add_node(id, edges, node_symbol, &text)
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}
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}
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#[test]
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fn single_node() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&1, &[], "@", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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@ node 1
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@ node 1 [width=2]
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"###);
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Ok(())
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@ -478,15 +517,15 @@ mod tests {
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#[test]
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fn chain() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&3, &[Edge::direct(2)], "@", "node 3")?;
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graph.add_node(&2, &[Edge::direct(1)], "o", "node 2")?;
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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@ node 3
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o node 2
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o node 1
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@ node 3 [width=2]
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o node 2 [width=2]
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o node 1 [width=2]
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"###);
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Ok(())
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@ -495,7 +534,7 @@ mod tests {
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#[test]
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fn interleaved_chains() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&7, &[Edge::direct(5)], "o", "node 7")?;
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graph.add_node(&6, &[Edge::direct(4)], "o", "node 6")?;
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graph.add_node(&5, &[Edge::direct(3)], "o", "node 5")?;
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@ -505,13 +544,13 @@ mod tests {
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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o node 7
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| o node 6
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o | node 5
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| o node 4
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@ | node 3
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| o node 2
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o node 1
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o node 7 [width=2]
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| o node 6 [width=4]
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o | node 5 [width=4]
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| o node 4 [width=4]
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@ | node 3 [width=4]
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| o node 2 [width=4]
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o node 1 [width=2]
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"###);
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Ok(())
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@ -520,17 +559,17 @@ mod tests {
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#[test]
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fn independent_nodes() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&3, &[Edge::missing()], "o", "node 3")?;
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graph.add_node(&2, &[Edge::missing()], "o", "node 2")?;
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graph.add_node(&1, &[Edge::missing()], "@", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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o node 3
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o node 3 [width=2]
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~
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o node 2
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o node 2 [width=2]
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~
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@ node 1
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@ node 1 [width=2]
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~
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"###);
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@ -540,18 +579,18 @@ mod tests {
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#[test]
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fn left_chain_ends() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&4, &[Edge::direct(2)], "o", "node 4")?;
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graph.add_node(&3, &[Edge::direct(1)], "o", "node 3")?;
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graph.add_node(&2, &[Edge::missing()], "o", "node 2")?;
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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o node 4
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| o node 3
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o | node 2
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o node 4 [width=2]
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| o node 3 [width=4]
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o | node 2 [width=4]
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~/
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o node 1
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o node 1 [width=2]
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"###);
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Ok(())
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@ -560,19 +599,19 @@ mod tests {
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#[test]
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fn left_chain_ends_with_no_missing_edge() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&4, &[Edge::direct(2)], "o", "node 4")?;
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graph.add_node(&3, &[Edge::direct(1)], "o", "node 3")?;
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graph.add_node(&2, &[], "o", "node 2\nmore\ntext")?;
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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o node 4
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| o node 3
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o node 4 [width=2]
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| o node 3 [width=4]
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o | node 2
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/ more
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| text
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o node 1
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| text [width=4]
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o node 1 [width=2]
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"###);
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Ok(())
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@ -581,20 +620,20 @@ mod tests {
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#[test]
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fn right_chain_ends() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&4, &[Edge::direct(1)], "o", "node 4")?;
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graph.add_node(&3, &[Edge::direct(2)], "o", "node 3")?;
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graph.add_node(&2, &[Edge::missing()], "o", "node 2")?;
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graph.add_node(&1, &[], "o", "node 1\nmore\ntext")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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o node 4
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| o node 3
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| o node 2
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o node 4 [width=2]
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| o node 3 [width=4]
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| o node 2 [width=4]
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| ~
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o node 1
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more
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text
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text [width=2]
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"###);
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Ok(())
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@ -628,19 +667,19 @@ mod tests {
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#[test]
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fn fork_multiple() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&4, &[Edge::direct(1)], "@", "node 4")?;
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graph.add_node(&3, &[Edge::direct(1)], "o", "node 3")?;
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graph.add_node(&2, &[Edge::direct(1)], "o", "node 2")?;
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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@ node 4
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| o node 3
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@ node 4 [width=2]
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| o node 3 [width=4]
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|/
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| o node 2
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| o node 2 [width=4]
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|/
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o node 1
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o node 1 [width=2]
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"###);
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Ok(())
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@ -649,7 +688,7 @@ mod tests {
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#[test]
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fn fork_multiple_chains() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&10, &[Edge::direct(7)], "o", "node 10")?;
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graph.add_node(&9, &[Edge::direct(6)], "o", "node 9")?;
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graph.add_node(&8, &[Edge::direct(5)], "o", "node 8")?;
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@ -662,18 +701,18 @@ mod tests {
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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o node 10
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| o node 9
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| | o node 8
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o | | node 7
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| o | node 6
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| | o node 5
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o | | node 4
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| o | node 3
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o node 10 [width=2]
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| o node 9 [width=4]
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| | o node 8 [width=6]
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o | | node 7 [width=6]
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| o | node 6 [width=6]
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| | o node 5 [width=6]
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o | | node 4 [width=6]
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| o | node 3 [width=6]
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|/ /
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| o node 2
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| o node 2 [width=4]
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|/
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o node 1
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o node 1 [width=2]
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"###);
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Ok(())
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@ -682,7 +721,7 @@ mod tests {
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#[test]
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fn cross_over() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&5, &[Edge::direct(1)], "o", "node 5")?;
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graph.add_node(&4, &[Edge::direct(2)], "o", "node 4")?;
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graph.add_node(&3, &[Edge::direct(1)], "o", "node 3")?;
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@ -690,14 +729,14 @@ mod tests {
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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o node 5
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| o node 4
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| | o node 3
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o node 5 [width=2]
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| o node 4 [width=4]
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| | o node 3 [width=6]
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| |/
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|/|
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| o node 2
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| o node 2 [width=4]
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|/
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o node 1
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o node 1 [width=2]
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"###);
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Ok(())
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@ -706,7 +745,7 @@ mod tests {
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#[test]
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fn cross_over_multiple() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&7, &[Edge::direct(1)], "o", "node 7")?;
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graph.add_node(&6, &[Edge::direct(3)], "o", "node 6")?;
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graph.add_node(&5, &[Edge::direct(2)], "o", "node 5")?;
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@ -716,17 +755,17 @@ mod tests {
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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o node 7
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| o node 6
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| | o node 5
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| | | o node 4
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o node 7 [width=2]
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| o node 6 [width=4]
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| | o node 5 [width=6]
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| | | o node 4 [width=8]
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| |_|/
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|/| |
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| o | node 3
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| o | node 3 [width=6]
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|/ /
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| o node 2
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| o node 2 [width=4]
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|/
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o node 1
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o node 1 [width=2]
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"###);
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Ok(())
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@ -735,7 +774,7 @@ mod tests {
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#[test]
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fn cross_over_new_on_left() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(&6, &[Edge::direct(3)], "o", "node 6")?;
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graph.add_node(&5, &[Edge::direct(2)], "o", "node 5")?;
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graph.add_node(&4, &[Edge::direct(1)], "o", "node 4")?;
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@ -744,15 +783,15 @@ mod tests {
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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o node 6
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| o node 5
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| | o node 4
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o | | node 3
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o node 6 [width=2]
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| o node 5 [width=4]
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| | o node 4 [width=6]
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o | | node 3 [width=6]
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| |/
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|/|
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| o node 2
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| o node 2 [width=4]
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|/
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o node 1
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o node 1 [width=2]
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"###);
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Ok(())
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@ -761,7 +800,7 @@ mod tests {
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#[test]
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fn merge_multiple() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
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graph.add_node(
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&5,
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&[
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@ -781,14 +820,14 @@ mod tests {
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
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@---. node 5
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|\ \ \ more
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| | | | text
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| | | o node 4
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| | | | text [width=8]
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| | | o node 4 [width=8]
|
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| | | ~
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| | o node 3
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| | o node 3 [width=6]
|
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| | ~
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| o node 2
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| o node 2 [width=4]
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| ~
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o node 1
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o node 1 [width=2]
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~
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"###);
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@ -798,7 +837,7 @@ mod tests {
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#[test]
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fn fork_merge_in_central_edge() -> io::Result<()> {
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let mut buffer = vec![];
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let mut graph = AsciiGraphDrawer::new(&mut buffer);
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let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
|
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graph.add_node(&8, &[Edge::direct(1)], "o", "node 8")?;
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graph.add_node(&7, &[Edge::direct(5)], "o", "node 7")?;
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graph.add_node(
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@ -814,22 +853,22 @@ mod tests {
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graph.add_node(&1, &[], "o", "node 1")?;
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insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
|
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o node 8
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| o node 7
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o node 8 [width=2]
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| o node 7 [width=4]
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| | o node 6
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| | | with
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| | | some
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| | | more
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| | | lines
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| o | node 5
|
||||
| | | lines [width=6]
|
||||
| o | node 5 [width=8]
|
||||
| |\ \
|
||||
| o | | node 4
|
||||
| o | | node 4 [width=8]
|
||||
|/ / /
|
||||
| o | node 3
|
||||
| o | node 3 [width=6]
|
||||
|/ /
|
||||
| o node 2
|
||||
| o node 2 [width=4]
|
||||
|/
|
||||
o node 1
|
||||
o node 1 [width=2]
|
||||
"###);
|
||||
|
||||
Ok(())
|
||||
@ -838,7 +877,7 @@ mod tests {
|
||||
#[test]
|
||||
fn fork_merge_multiple() -> io::Result<()> {
|
||||
let mut buffer = vec![];
|
||||
let mut graph = AsciiGraphDrawer::new(&mut buffer);
|
||||
let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
|
||||
graph.add_node(&6, &[Edge::direct(5)], "o", "node 6")?;
|
||||
graph.add_node(
|
||||
&5,
|
||||
@ -852,15 +891,15 @@ mod tests {
|
||||
graph.add_node(&1, &[], "o", "node 1")?;
|
||||
|
||||
insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
|
||||
o node 6
|
||||
o-. node 5
|
||||
o node 6 [width=2]
|
||||
o-. node 5 [width=6]
|
||||
|\ \
|
||||
| | o node 4
|
||||
| o | node 3
|
||||
| | o node 4 [width=6]
|
||||
| o | node 3 [width=6]
|
||||
| |/
|
||||
o | node 2
|
||||
o | node 2 [width=4]
|
||||
|/
|
||||
o node 1
|
||||
o node 1 [width=2]
|
||||
"###);
|
||||
|
||||
Ok(())
|
||||
@ -869,7 +908,7 @@ mod tests {
|
||||
#[test]
|
||||
fn fork_merge_multiple_in_central_edge() -> io::Result<()> {
|
||||
let mut buffer = vec![];
|
||||
let mut graph = AsciiGraphDrawer::new(&mut buffer);
|
||||
let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
|
||||
graph.add_node(&10, &[Edge::direct(1)], "o", "node 10")?;
|
||||
graph.add_node(&9, &[Edge::direct(7)], "o", "node 9")?;
|
||||
graph.add_node(&8, &[Edge::direct(2)], "o", "node 8")?;
|
||||
@ -892,24 +931,24 @@ mod tests {
|
||||
graph.add_node(&1, &[], "o", "node 1")?;
|
||||
|
||||
insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
|
||||
o node 10
|
||||
| o node 9
|
||||
| | o node 8
|
||||
o node 10 [width=2]
|
||||
| o node 9 [width=4]
|
||||
| | o node 8 [width=6]
|
||||
| | \
|
||||
| | \
|
||||
| o---. | node 7
|
||||
| o---. | node 7 [width=12]
|
||||
| |\ \ \ \
|
||||
| o | | | | node 6
|
||||
| o | | | | node 6 [width=12]
|
||||
|/ / / / /
|
||||
| o | | | node 5
|
||||
| o | | | node 5 [width=10]
|
||||
|/ / / /
|
||||
| o | | node 4
|
||||
| o | | node 4 [width=8]
|
||||
|/ / /
|
||||
| o | node 3
|
||||
| o | node 3 [width=6]
|
||||
|/ /
|
||||
| o node 2
|
||||
| o node 2 [width=4]
|
||||
|/
|
||||
o node 1
|
||||
o node 1 [width=2]
|
||||
"###);
|
||||
|
||||
Ok(())
|
||||
@ -918,7 +957,7 @@ mod tests {
|
||||
#[test]
|
||||
fn merge_multiple_missing_edges() -> io::Result<()> {
|
||||
let mut buffer = vec![];
|
||||
let mut graph = AsciiGraphDrawer::new(&mut buffer);
|
||||
let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
|
||||
graph.add_node(
|
||||
&1,
|
||||
&[
|
||||
@ -937,7 +976,7 @@ mod tests {
|
||||
| | | ~ many
|
||||
| | ~ lines
|
||||
| ~ of
|
||||
~ text
|
||||
~ text [width=8]
|
||||
"###);
|
||||
|
||||
Ok(())
|
||||
@ -946,7 +985,7 @@ mod tests {
|
||||
#[test]
|
||||
fn merge_missing_edges_and_fork() -> io::Result<()> {
|
||||
let mut buffer = vec![];
|
||||
let mut graph = AsciiGraphDrawer::new(&mut buffer);
|
||||
let mut graph = AsciiGraphDrawerWithWidths::new(&mut buffer);
|
||||
graph.add_node(&3, &[Edge::direct(1)], "o", "node 3")?;
|
||||
graph.add_node(
|
||||
&2,
|
||||
@ -962,14 +1001,14 @@ mod tests {
|
||||
graph.add_node(&1, &[], "o", "node 1")?;
|
||||
|
||||
insta::assert_snapshot!(String::from_utf8_lossy(&buffer), @r###"
|
||||
o node 3
|
||||
o node 3 [width=2]
|
||||
| o---. node 2
|
||||
| |\ \ \ with
|
||||
| | : ~/ many
|
||||
| ~/ / lines
|
||||
|/ / of
|
||||
|/ text
|
||||
o node 1
|
||||
|/ text [width=10]
|
||||
o node 1 [width=2]
|
||||
"###);
|
||||
|
||||
Ok(())
|
||||
|
||||
Loading…
Reference in New Issue
Block a user