af83.rs: Add `job_name` to get name of Jenkins jobs

A new af83 module for non-general code.

The `job_name` function will turn a commit reference into a job name
string. This job name corresponds to the names of branch builds in
Jenkins, and is a custom format, specific to af83.

2 files changed, 28 insertions, 0 deletions

diff --git a/src/af83.rs b/src/af83.rs
new file mode 100644
index 0000000..b3b8bf7
--- /dev/null
+++ b/src/af83.rs
@@ -0,0 +1,27 @@
+use pull_request::CommitRef;
+
+pub fn job_name(commit_ref: CommitRef) -> String {
+    let (sha, _) = commit_ref.sha.split_at(5);
+
+    format!("{}-{}", commit_ref.branch, sha)
+}
+
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn job_name_is_branch_appended_by_commit_sha_prefix() {
+        let commit_ref = CommitRef {
+            repo: "sybil-system".to_string(),
+            sha: "159f8769b897ed7774700d0b2777def8ac838b8f".to_string(),
+            branch: "5912-make-logo-bigger".to_string(),
+        };
+
+        assert_eq!(
+            job_name(commit_ref),
+            "5912-make-logo-bigger-159f8"
+        );
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 754be58..204a45b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,2 +1,3 @@
 mod pull_request;
 mod jenkins;
+mod af83;