Add test for enabled_if

Signed-off-by: Rudi Grinberg <[email protected]>

Author: rgrinberg

test/blackbox-tests/dune.inc

@@ -65,6 +65,14 @@
     test-cases/depend-on-the-universe
     (progn (run ${exe:cram.exe} -test run.t) (diff? run.t run.t.corrected))))))
 
+(alias
+ ((name enabled_if)
+  (deps ((package dune) (files_recursively_in test-cases/enabled_if)))
+  (action
+   (chdir
+    test-cases/enabled_if
+    (progn (run ${exe:cram.exe} -test run.t) (diff? run.t run.t.corrected))))))
+
 (alias
  ((name env)
   (deps ((package dune) (files_recursively_in test-cases/env)))
@@ -511,6 +519,7 @@
     (alias copy_files)
     (alias cross-compilation)
     (alias depend-on-the-universe)
+    (alias enabled_if)
     (alias env)
     (alias exclude-missing-module)
     (alias exec-cmd)
@@ -571,6 +580,7 @@
     (alias copy_files)
     (alias cross-compilation)
     (alias depend-on-the-universe)
+    (alias enabled_if)
     (alias env)
     (alias exclude-missing-module)
     (alias exec-cmd)

test/blackbox-tests/test-cases/enabled_if/dune

@@ -0,0 +1,9 @@
+(alias
+ ((name not-runs)
+  (deps (run.t))
+  (enabled_if (or (and (= "foo" "bar") "true") "false"))))
+
+(alias
+ ((name runs)
+  (deps (run.t))
+  (enabled_if (or (= "true" "true") "false"))))

test/blackbox-tests/test-cases/enabled_if/run.t

@@ -0,0 +1,6 @@
+  $ dune build @not-runs
+  From the command line:
+  Error: Alias not-runs is empty.
+  It is not defined in . or any of its descendants.
+  [1]
+  $ dune build @runs