1 files changed, 331 insertions, 0 deletions
diff --git a/t/t0019-json-writer.sh b/t/t0019-json-writer.sh
new file mode 100755
index 000000000000..3b0c336b38e4
--- /dev/null
+++ b/t/t0019-json-writer.sh
@@ -0,0 +1,331 @@
+#!/bin/sh
+
+test_description='test json-writer JSON generation'
+. ./test-lib.sh
+
+test_expect_success 'unit test of json-writer routines' '
+	test-tool json-writer -u
+'
+
+test_expect_success 'trivial object' '
+	cat >expect <<-\EOF &&
+	{}
+	EOF
+	cat >input <<-\EOF &&
+	object
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'trivial array' '
+	cat >expect <<-\EOF &&
+	[]
+	EOF
+	cat >input <<-\EOF &&
+	array
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'simple object' '
+	cat >expect <<-\EOF &&
+	{"a":"abc","b":42,"c":3.14,"d":true,"e":false,"f":null}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc
+		object-int b 42
+		object-double c 2 3.140
+		object-true d
+		object-false e
+		object-null f
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'simple array' '
+	cat >expect <<-\EOF &&
+	["abc",42,3.14,true,false,null]
+	EOF
+	cat >input <<-\EOF &&
+	array
+		array-string abc
+		array-int 42
+		array-double 2 3.140
+		array-true
+		array-false
+		array-null
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'escape quoting string' '
+	cat >expect <<-\EOF &&
+	{"a":"abc\\def"}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc\def
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'escape quoting string 2' '
+	cat >expect <<-\EOF &&
+	{"a":"abc\"def"}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc"def
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'nested inline object' '
+	cat >expect <<-\EOF &&
+	{"a":"abc","b":42,"sub1":{"c":3.14,"d":true,"sub2":{"e":false,"f":null}}}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc
+		object-int b 42
+		object-object sub1
+			object-double c 2 3.140
+			object-true d
+			object-object sub2
+				object-false e
+				object-null f
+			end
+		end
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'nested inline array' '
+	cat >expect <<-\EOF &&
+	["abc",42,[3.14,true,[false,null]]]
+	EOF
+	cat >input <<-\EOF &&
+	array
+		array-string abc
+		array-int 42
+		array-array
+			array-double 2 3.140
+			array-true
+			array-array
+				array-false
+				array-null
+			end
+		end
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'nested inline object and array' '
+	cat >expect <<-\EOF &&
+	{"a":"abc","b":42,"sub1":{"c":3.14,"d":true,"sub2":[false,null]}}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc
+		object-int b 42
+		object-object sub1
+			object-double c 2 3.140
+			object-true d
+			object-array sub2
+				array-false
+				array-null
+			end
+		end
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'nested inline object and array 2' '
+	cat >expect <<-\EOF &&
+	{"a":"abc","b":42,"sub1":{"c":3.14,"d":true,"sub2":[false,{"g":0,"h":1},null]}}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc
+		object-int b 42
+		object-object sub1
+			object-double c 2 3.140
+			object-true d
+			object-array sub2
+				array-false
+				array-object
+					object-int g 0
+					object-int h 1
+				end
+				array-null
+			end
+		end
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'pretty nested inline object and array 2' '
+	sed -e "s/^|//" >expect <<-\EOF &&
+	|{
+	|  "a": "abc",
+	|  "b": 42,
+	|  "sub1": {
+	|    "c": 3.14,
+	|    "d": true,
+	|    "sub2": [
+	|      false,
+	|      {
+	|        "g": 0,
+	|        "h": 1
+	|      },
+	|      null
+	|    ]
+	|  }
+	|}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc
+		object-int b 42
+		object-object sub1
+			object-double c 2 3.140
+			object-true d
+			object-array sub2
+				array-false
+				array-object
+					object-int g 0
+					object-int h 1
+				end
+				array-null
+			end
+		end
+	end
+	EOF
+	test-tool json-writer -p <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'inline object with no members' '
+	cat >expect <<-\EOF &&
+	{"a":"abc","empty":{},"b":42}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc
+		object-object empty
+		end
+		object-int b 42
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'inline array with no members' '
+	cat >expect <<-\EOF &&
+	{"a":"abc","empty":[],"b":42}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc
+		object-array empty
+		end
+		object-int b 42
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'larger empty example' '
+	cat >expect <<-\EOF &&
+	{"a":"abc","empty":[{},{},{},[],{}],"b":42}
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc
+		object-array empty
+			array-object
+			end
+			array-object
+			end
+			array-object
+			end
+			array-array
+			end
+			array-object
+			end
+		end
+		object-int b 42
+	end
+	EOF
+	test-tool json-writer <input >actual &&
+	test_cmp expect actual
+'
+
+test_lazy_prereq PERLJSON '
+	perl -MJSON -e "exit 0"
+'
+
+# As a sanity check, ask Perl to parse our generated JSON and recursively
+# dump the resulting data in sorted order.  Confirm that that matches our
+# expectations.
+test_expect_success PERLJSON 'parse JSON using Perl' '
+	cat >expect <<-\EOF &&
+	row[0].a abc
+	row[0].b 42
+	row[0].sub1 hash
+	row[0].sub1.c 3.14
+	row[0].sub1.d 1
+	row[0].sub1.sub2 array
+	row[0].sub1.sub2[0] 0
+	row[0].sub1.sub2[1] hash
+	row[0].sub1.sub2[1].g 0
+	row[0].sub1.sub2[1].h 1
+	row[0].sub1.sub2[2] null
+	EOF
+	cat >input <<-\EOF &&
+	object
+		object-string a abc
+		object-int b 42
+		object-object sub1
+			object-double c 2 3.140
+			object-true d
+			object-array sub2
+				array-false
+				array-object
+					object-int g 0
+					object-int h 1
+				end
+				array-null
+			end
+		end
+	end
+	EOF
+	test-tool json-writer <input >output.json &&
+	perl "$TEST_DIRECTORY"/t0019/parse_json.perl <output.json >actual &&
+	test_cmp expect actual
+'
+
+test_done