Add a test case

Signed-off-by: Alpha DIALLO <[email protected]>

test/blackbox-tests/test-cases/pkg/helpers.sh

@@ -117,3 +117,15 @@ print_source() {
 solve() {
   make_project $@ | solve_project
 }
+
+make_mock_tool_package() {
+  package=$1
+  binary=$2
+  mkpkg $package <<EOF
+install: [
+  [ "sh" "-c" "echo '#!/bin/sh' > %{bin}%/$binary" ]
+  [ "sh" "-c" "echo 'echo hello from fake $binary' >> %{bin}%/$binary" ]
+  [ "sh" "-c" "chmod a+x %{bin}%/$binary" ]
+]
+EOF
+}

test/blackbox-tests/test-cases/pkg/tools-install.t

@@ -0,0 +1,57 @@
+  $ . ./helpers.sh
+
+Test for "dune tools install" command which installs all the available dev-tools .
+The command locks and builds those dev-tools.
+
+  $ mkrepo
+  $ make_mock_tool_package odoc odoc
+  $ make_mock_tool_package ocaml-lsp-server ocamllsp
+  $ make_mock_tool_package ocamlformat ocamlformat
+  $ mkpkg ocaml 5.2.0
+
+Each dev-tool has it own lock-dir
+  $ cat > dune-workspace <<EOF
+  > (lang dune 3.16)
+  > (lock_dir
+  >   (path "dev-tools.locks/odoc")
+  >   (repositories mock))
+  > (lock_dir
+  >   (path "dev-tools.locks/ocamlformat")
+  >   (repositories mock))
+  > (lock_dir
+  >   (path "dev-tools.locks/ocaml-lsp-server")
+  >   (repositories mock))
+  > (lock_dir
+  >   (repositories mock))
+  > (repository
+  >   (name mock)
+  >   (source "file://$(pwd)/mock-opam-repository"))
+  > EOF
+
+  $ cat > dune-project <<EOF
+  > (lang dune 3.16)
+  > (package
+  >  (name foo)
+  >  (depends ocaml))
+  > EOF
+
+Building dev-tool requires the project been locked.
+  $ dune pkg lock
+  Solution for dune.lock:
+  - ocaml.5.2.0
+
+  $ DUNE_CONFIG__LOCK_DEV_TOOL=enabled dune tools install
+  Solution for dev-tools.locks/ocamlformat:
+  - ocamlformat.0.0.1
+  Solution for dev-tools.locks/odoc:
+  - ocaml.5.2.0
+  - odoc.0.0.1
+  Solution for dev-tools.locks/ocaml-lsp-server:
+  - ocaml.5.2.0
+  - ocaml-lsp-server.0.0.1
+
+Check, if the dev-tools are built.
+  $ ls ./_build/_private/default/.dev-tool
+  ocaml-lsp-server
+  ocamlformat
+  odoc