[gjs/esm/static-imports: 6/6] esm: Add basic installed tests.

[Evan Welsh <ewlsh src gnome org>]

commit 92fa7764bdd73080ce21451227d2f217995790d6
Author: Evan Welsh <noreply evanwelsh com>
Date:   Mon Jun 22 19:55:40 2020 -0500

    esm: Add basic installed tests.

 gjs/internal/module/loaders/file.js          | 26 +++++++++++++++++++
 installed-tests/esm-test.sh                  | 25 ++++++++++++++++++
 installed-tests/esm.test.in                  |  4 +++
 installed-tests/esm/default-import.js        |  3 +++
 installed-tests/esm/default-import.js.output |  1 +
 installed-tests/esm/exports.js               |  3 +++
 installed-tests/esm/gi-import.js             |  3 +++
 installed-tests/esm/gi-import.js.output      |  1 +
 installed-tests/esm/named-import.js          |  3 +++
 installed-tests/esm/named-import.js.output   |  1 +
 installed-tests/esm/system-import.js         |  3 +++
 installed-tests/esm/system-import.js.output  |  3 +++
 installed-tests/meson.build                  | 39 ++++++++++++++++++++++++++++
 13 files changed, 115 insertions(+)
---
diff --git a/gjs/internal/module/loaders/file.js b/gjs/internal/module/loaders/file.js
new file mode 100644
index 00000000..fc0f4f2f
--- /dev/null
+++ b/gjs/internal/module/loaders/file.js
@@ -0,0 +1,26 @@
+function fromBytes(bytes) {
+    return ByteUtils.toString(bytes, 'utf-8');
+}
+
+function loadFileSync(output, full_path) {
+    try {
+        const [, bytes] = output.load_contents(null);
+        return fromBytes(bytes);
+    } catch (error) {
+        throw new Error(`Unable to load file from: ${full_path}`);
+    }
+}
+
+registerScheme("file", "resource")
+    .relativeResolver((moduleURI, relativePath) => {
+        let module_file = Gio.File.new_for_uri(moduleURI.raw);
+        let module_parent_file = module_file.get_parent();
+
+        let output = module_parent_file.resolve_relative_path(relativePath);
+
+        return output.get_uri();
+    }).loader(uri => {
+        const file = Gio.File.new_for_uri(uri.raw);
+
+        return loadFileSync(file, file.get_uri());
+    });
diff --git a/installed-tests/esm-test.sh b/installed-tests/esm-test.sh
new file mode 100755
index 00000000..f19b3657
--- /dev/null
+++ b/installed-tests/esm-test.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+if test "$GJS_USE_UNINSTALLED_FILES" = "1"; then
+    gjs="$TOP_BUILDDIR/gjs-console"
+else
+    gjs=gjs-console
+fi
+
+echo 1..1
+
+JS_SCRIPT="$1"
+EXPECTED_OUTPUT="$1.output"
+THE_DIFF=$("$gjs" -m "$JS_SCRIPT" \
+    | diff -u "$EXPECTED_OUTPUT" -)
+if test $? -ne 0; then
+    echo "not ok 1 - $1  # command failed"
+    exit 1
+fi
+
+if test -n "$THE_DIFF"; then
+    echo "not ok 1 - $1"
+    echo "$THE_DIFF" | while read line; do echo "#$line"; done
+else
+    echo "ok 1 - $1"
+fi
diff --git a/installed-tests/esm.test.in b/installed-tests/esm.test.in
new file mode 100644
index 00000000..763091fd
--- /dev/null
+++ b/installed-tests/esm.test.in
@@ -0,0 +1,4 @@
+[Test]
+Type=session
+Exec=@installed_tests_execdir@/esm-test.sh @installed_tests_execdir@/esm/@name@
+Output=TAP
diff --git a/installed-tests/esm/default-import.js b/installed-tests/esm/default-import.js
new file mode 100644
index 00000000..d070eda2
--- /dev/null
+++ b/installed-tests/esm/default-import.js
@@ -0,0 +1,3 @@
+import $ from './exports.js';
+
+print($);
\ No newline at end of file
diff --git a/installed-tests/esm/default-import.js.output b/installed-tests/esm/default-import.js.output
new file mode 100644
index 00000000..7ed6ff82
--- /dev/null
+++ b/installed-tests/esm/default-import.js.output
@@ -0,0 +1 @@
+5
diff --git a/installed-tests/esm/exports.js b/installed-tests/esm/exports.js
new file mode 100644
index 00000000..c846291d
--- /dev/null
+++ b/installed-tests/esm/exports.js
@@ -0,0 +1,3 @@
+export default 5;
+
+export const NamedExport = 'Hello, World';
diff --git a/installed-tests/esm/gi-import.js b/installed-tests/esm/gi-import.js
new file mode 100644
index 00000000..734b1658
--- /dev/null
+++ b/installed-tests/esm/gi-import.js
@@ -0,0 +1,3 @@
+import gi from 'gi';
+
+print(gi.require('GObject'));
diff --git a/installed-tests/esm/gi-import.js.output b/installed-tests/esm/gi-import.js.output
new file mode 100644
index 00000000..12a2890d
--- /dev/null
+++ b/installed-tests/esm/gi-import.js.output
@@ -0,0 +1 @@
+[object GIRepositoryNamespace]
diff --git a/installed-tests/esm/named-import.js b/installed-tests/esm/named-import.js
new file mode 100644
index 00000000..0c4ef4e0
--- /dev/null
+++ b/installed-tests/esm/named-import.js
@@ -0,0 +1,3 @@
+import { NamedExport } from './exports.js';
+
+print(NamedExport);
diff --git a/installed-tests/esm/named-import.js.output b/installed-tests/esm/named-import.js.output
new file mode 100644
index 00000000..3fa0d4b9
--- /dev/null
+++ b/installed-tests/esm/named-import.js.output
@@ -0,0 +1 @@
+Hello, World
diff --git a/installed-tests/esm/system-import.js b/installed-tests/esm/system-import.js
new file mode 100644
index 00000000..756c0725
--- /dev/null
+++ b/installed-tests/esm/system-import.js
@@ -0,0 +1,3 @@
+import system from 'system';
+
+print(system.exit);
diff --git a/installed-tests/esm/system-import.js.output b/installed-tests/esm/system-import.js.output
new file mode 100644
index 00000000..06e7382b
--- /dev/null
+++ b/installed-tests/esm/system-import.js.output
@@ -0,0 +1,3 @@
+function exit() {
+    [native code]
+}
diff --git a/installed-tests/meson.build b/installed-tests/meson.build
index 9210957f..9ed1fa8d 100644
--- a/installed-tests/meson.build
+++ b/installed-tests/meson.build
@@ -40,6 +40,45 @@ endforeach
 
 subdir('js')
 
+# esm script tests #
+
+esm_tests = [
+    'default-import',
+    'named-import',
+    'gi-import',
+    'system-import'
+]
+
+esm_test_driver = find_program(files('esm-test.sh'))
+if get_option('installed_tests')
+    install_data('esm-test.sh', install_dir: installed_tests_execdir)
+endif
+
+foreach test : esm_tests
+    test_file = files('esm' / '@0@.js'.format(test))
+
+    test('@0@ command'.format(test), esm_test_driver,
+        args: test_file, env: tests_environment, protocol: 'tap',
+        suite: 'ESM')
+
+    test_description_subst = {
+        'name': '@0@.js'.format(test),
+        'installed_tests_execdir': installed_tests_execdir,
+    }
+    test_description = configure_file(configuration: test_description_subst,
+        input: 'esm.test.in',
+        output: '@0@.test'.format(test),
+        install: get_option('installed_tests'),
+        install_dir: installed_tests_metadir)
+
+    if get_option('installed_tests')
+        install_data(test_file, install_dir: installed_tests_execdir / 'esm')
+        install_data('esm' / '@0@.js'.format(test),
+            'esm' / '@0@.js.output'.format(test),
+            install_dir: installed_tests_execdir / 'esm')
+    endif
+endforeach
+
 # Debugger script tests #
 
 debugger_tests = [