Support running bash tests

Author: guenhter

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.sh]
+indent_size = 2

tests/all-tests.sh

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+#!/bin/bash
+
+SCRIPT_DIR=$(dirname -- "$( readlink -f -- "$0"; )";)
+
+fail_count=0
+
+for testfile in "$SCRIPT_DIR"/test-*.sh
+do
+  echo ""
+  echo "#########  $(basename $testfile) ################"
+  $testfile || ((fail_count++))
+done
+
+exit $fail_count

tests/base.sh

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+
+function run_test() {
+  test_function="$1"
+
+  if [ -z "$test_function" ]; then
+    echo "Test function missing. Specify one."
+    exit 2
+  fi
+
+  echo ""
+  echo "--> Running $test_function"
+  if $test_function ; then
+    echo "++ Test successful"
+  else
+    echo "-- Test failed"
+    exit 1
+  fi
+}

tests/test-prompt-command.sh

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+#!/bin/bash
+
+SCRIPT_DIR=$(dirname -- "$( readlink -f -- "$0"; )";)
+source "$SCRIPT_DIR/base.sh"
+
+function test_prompt_command_is_set() {
+  source "$SCRIPT_DIR/../gitprompt.sh"
+
+  echo "$PROMPT_COMMAND"
+  [[ "$PROMPT_COMMAND" == "setLastCommandState;setGitPrompt" ]]
+}
+
+function test_prompt_command_respecting_custom_function() {
+  PROMPT_COMMAND="some"
+  source "$SCRIPT_DIR/../gitprompt.sh"
+
+  echo "$PROMPT_COMMAND"
+  [[ "$PROMPT_COMMAND" == "setLastCommandState;some;setGitPrompt" ]]
+}
+
+run_test "test_prompt_command_is_set"
+run_test "test_prompt_command_respecting_custom_function"