1 files changed, 69 insertions, 0 deletions
diff --git a/.ci/bin/online_sessions.sh b/.ci/bin/online_sessions.sh
new file mode 100755
index 0000000..d64ef2f
--- /dev/null
+++ b/.ci/bin/online_sessions.sh
@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2019 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is part of the "VK scripts" project.
+# For details, see https://github.com/egor-tensin/vk-scripts.
+# Distributed under the MIT License.
+
+set -o errexit -o nounset -o pipefail
+
+script_dir="$( dirname -- "${BASH_SOURCE[0]}" )"
+script_dir="$( cd -- "$script_dir" && pwd )"
+readonly script_dir
+script_name="$( basename -- "${BASH_SOURCE[0]}" )"
+readonly script_name
+
+readonly db_path="$script_dir/../share/test_db.csv"
+
+dump() {
+    local msg
+    for msg; do
+        echo "$script_name: $msg"
+    done
+}
+
+test_output() {
+    local output_path
+    output_path="$( mktemp --dry-run )"
+
+    local rm_aux_files
+    rm_aux_files="$( printf -- 'rm -f -- %q' "$output_path" )"
+
+    trap "$rm_aux_files" RETURN
+
+    "$script_dir/../lib/test.sh" bin.online_sessions "$@" "$db_path" "$output_path"
+
+    if file --brief --dereference --mime -- "$output_path" | grep --quiet -- 'charset=binary$'; then
+        dump 'Output is a binary file, not going to show that'
+        return 0
+    fi
+
+    cat "$output_path"
+}
+
+group_by() {
+    test_output --output-format csv  --group-by "$@"
+    test_output --output-format json --group-by "$@"
+    test_output --output-format plot --group-by "$@"
+}
+
+online_sessions() {
+    group_by user
+    group_by hour
+    group_by date
+    group_by weekday
+}
+
+fix_matplotlib() {
+    # Get rid of:
+    # tkinter.TclError: no display name and no $DISPLAY environment variable
+    mkdir -p -- ~/.config/matplotlib
+    echo 'backend: Agg' > ~/.config/matplotlib/matplotlibrc
+}
+
+main() {
+    fix_matplotlib
+    online_sessions
+}
+
+main