Make more checks in non server acceptance tests (#860)

* make sure no info is printed in non server tests

* check exact full output for validity instead of log msgs

* add end of output character to version regex

* use coercions, use equality operator

Co-authored-by: Jane Lusby <jlusby42@gmail.com>

Co-authored-by: Jane Lusby <jlusby42@gmail.com>

zebra-test/src/command.rs

@@ -223,7 +223,7 @@ impl TestOutput {
 
     pub fn stdout_contains(&self, regex: &str) -> Result<&Self> {
         let re = regex::Regex::new(regex)?;
-        let stdout = String::from_utf8_lossy(self.output.stdout.as_slice());
+        let stdout = String::from_utf8_lossy(&self.output.stdout);
 
         for line in stdout.lines() {
             if re.is_match(line) {
@@ -241,6 +241,37 @@ impl TestOutput {
         .with_section(stdout)
     }
 
+    pub fn stdout_equals(&self, s: &str) -> Result<&Self> {
+        let stdout = String::from_utf8_lossy(&self.output.stdout);
+
+        if stdout == s {
+            return Ok(self);
+        }
+
+        let command = || self.cmd.clone().header("Command:");
+        let stdout = || stdout.into_owned().header("Stdout:");
+
+        Err(eyre!("stdout of command is not equal the given string"))
+            .with_section(command)
+            .with_section(stdout)
+    }
+
+    pub fn stdout_matches(&self, regex: &str) -> Result<&Self> {
+        let re = regex::Regex::new(regex)?;
+        let stdout = String::from_utf8_lossy(&self.output.stdout);
+
+        if re.is_match(&stdout) {
+            return Ok(self);
+        }
+
+        let command = || self.cmd.clone().header("Command:");
+        let stdout = || stdout.into_owned().header("Stdout:");
+
+        Err(eyre!("stdout of command is not equal to the given regex"))
+            .with_section(command)
+            .with_section(stdout)
+    }
+
     /// Returns true if the program was killed, false if exit was by another reason.
     pub fn was_killed(&self) -> bool {
         #[cfg(unix)]

zebrad/tests/acceptance.rs

@@ -29,6 +29,7 @@ fn generate_no_args() -> Result<()> {
     let output = child.wait_with_output()?;
     let output = output.assert_success()?;
 
+    // First line
     output.stdout_contains(r"# Default configuration for zebrad.")?;
 
     Ok(())
@@ -71,6 +72,10 @@ fn help_no_args() -> Result<()> {
     let output = child.wait_with_output()?;
     let output = output.assert_success()?;
 
+    // First line haves the version
+    output.stdout_contains(r"zebrad [0-9].[0-9].[0-9]")?;
+
+    // Make sure we are in help by looking usage string
     output.stdout_contains(r"USAGE:")?;
 
     Ok(())
@@ -102,7 +107,7 @@ fn revhex_args() -> Result<()> {
     let output = child.wait_with_output()?;
     let output = output.assert_success()?;
 
-    output.stdout_contains(r"55ffee33")?;
+    output.stdout_equals("55ffee33\n")?;
 
     Ok(())
 }
@@ -213,7 +218,7 @@ fn version_no_args() -> Result<()> {
     let output = child.wait_with_output()?;
     let output = output.assert_success()?;
 
-    output.stdout_contains(r"zebrad [0-9].[0-9].[0-9]")?;
+    output.stdout_matches(r"^zebrad [0-9].[0-9].[0-9]-[A-Za-z]*.[0-9]\n$")?;
 
     Ok(())
 }