Add test: Check whether imag-header prints correct string when querying imag.version header

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

2 files changed, 23 insertions, 0 deletions

diff --git a/tests/ui/Cargo.toml b/tests/ui/Cargo.toml
index 1fef31ac..3d601d03 100644
--- a/tests/ui/Cargo.toml
+++ b/tests/ui/Cargo.toml
@@ -18,3 +18,5 @@ log               = "0.4"
 predicates        = "1"
 pretty_assertions = "0.6"
 semver            = "0.9"
+version           = "3"
+
diff --git a/tests/ui/src/imag_header.rs b/tests/ui/src/imag_header.rs
index 5119689e..3f87b300 100644
--- a/tests/ui/src/imag_header.rs
+++ b/tests/ui/src/imag_header.rs
@@ -21,6 +21,7 @@ use std::process::Command;
 
 use assert_cmd::prelude::*;
 use assert_fs::fixture::TempDir;
+use predicates::prelude::*;
 
 pub fn binary(tempdir: &TempDir) -> Command {
     crate::imag::binary(tempdir, "imag-header")
@@ -40,3 +41,23 @@ fn test_no_header_besides_version_after_creation() {
     bin.assert().success();
 }
 
+#[test]
+fn test_imag_version_as_semver_string() {
+    crate::setup_logging();
+    let imag_home = crate::imag::make_temphome();
+    crate::imag_init::call(&imag_home);
+    crate::imag_create::call(&imag_home, &["test"]);
+
+    let imag_version = version::version!();
+
+    let mut bin = binary(&imag_home);
+    bin.arg("test");
+    bin.arg("string");
+    bin.arg("imag.version");
+
+    let expected_output_str = format!("test - {}", imag_version);
+    bin.assert()
+        .stdout(predicate::eq(expected_output_str.as_bytes()))
+        .success();
+}
+