First version of tests

test/tests/expect_successful_plugin_download

@@ -0,0 +1,35 @@
+#!/usr/bin/env expect
+
+# disables script output
+log_user 0
+
+spawn tmux
+
+# Waiting for tmux to attach. If this is not done, next command, `send` will
+# not work properly.
+sleep 1
+
+# this is tmux prefix + I
+send "I"
+
+# cloning might take a while
+set timeout 15
+
+expect {
+  "Downloading bruno-/tmux_example_plugin" {
+
+    expect {
+      "bruno-/tmux_example_plugin download success" {
+
+        expect { "Done, press ENTER to continue" { exit } }
+
+      }
+    }
+
+  }
+
+  timeout {
+    puts "Plugin update timeout";
+    exit 1
+  }
+}

test/tests/helpers.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+set_tmux_conf_helper() {
+    > ~/.tmux.conf  # empty filename
+    while read -r line; do
+        echo $line >> ~/.tmux.conf
+    done
+}
+
+create_test_plugin_helper() {
+    local plugin_path="$HOME/.tmux/plugins/tmux_test_plugin/"
+    rm -rf $plugin_path
+    mkdir -p $plugin_path
+
+    while read -r line; do
+        echo $line >> "$plugin_path/test_plugin.tmux"
+    done
+    chmod +x "$plugin_path/test_plugin.tmux"
+}
+
+teardown_helper() {
+    rm ~/.tmux.conf
+    rm -rf ~/.tmux/
+    tmux kill-server >/dev/null 2>&1
+}
+
+check_dir_exists_helper() {
+    local dir_path=$1
+    if [ -d "$dir_path" ]; then
+        return 0
+    else
+        return 1
+    fi
+}
+
+exit_value_helper() {
+    if $FAIL; then
+        echo
+        echo "Test failed"
+        exit 1
+    else
+        echo
+        echo "Test finished successfully"
+        exit 0
+    fi
+}

test/tests/test_plugin_installation.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source $CURRENT_DIR/helpers.sh
+
+FAIL=false
+
+test_plugin_installation() {
+	set_tmux_conf_helper <<- HERE
+	set -g @tpm_plugins "bruno-/tmux_example_plugin"
+	run-shell '~/tmux_plugin_manager/tpm'
+	HERE
+
+  # opens tmux and test it with `expect`
+  $CURRENT_DIR/expect_successful_plugin_download ||
+      (echo "Tmux plugin installation fails" >&2; FAIL=true)
+
+  # check plugin dir exists after download
+  check_dir_exists_helper "/root/.tmux/plugins/tmux_example_plugin/" ||
+      (echo "Plugin download fails" >&2; FAIL=true)
+
+	teardown_helper
+}
+
+main() {
+    test_plugin_installation
+    exit_value_helper
+}
+main

test/tests/test_plugin_sourcing.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source $CURRENT_DIR/helpers.sh
+
+FAIL=false
+
+check_binding_defined() {
+    local binding=$1
+    tmux list-keys | grep -q "$binding"
+}
+
+test_plugin_sourcing() {
+	set_tmux_conf_helper <<- HERE
+	set -g @tpm_plugins "doesnt_matter/tmux_test_plugin"
+	# change this
+	run-shell '~/tmux_plugin_manager/tpm'
+	HERE
+
+	create_test_plugin_helper <<- HERE
+	tmux bind-key R run-shell foo_command
+	HERE
+
+  tmux new-session -d  # tmux starts detached
+  check_binding_defined 'R run-shell foo_command' ||
+      (echo "Plugin sourcing fails" >&2; FAIL=true)
+
+	teardown_helper
+}
+
+main() {
+    test_plugin_sourcing
+    exit_value_helper
+}
+main