diff options
Diffstat (limited to 'caddyconfig/caddyfile/parse_test.go')
| -rwxr-xr-x | caddyconfig/caddyfile/parse_test.go | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/caddyconfig/caddyfile/parse_test.go b/caddyconfig/caddyfile/parse_test.go new file mode 100755 index 0000000..654c68d --- /dev/null +++ b/caddyconfig/caddyfile/parse_test.go @@ -0,0 +1,718 @@ +// Copyright 2015 Light Code Labs, LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package caddyfile + +import ( + "io/ioutil" + "os" + "path/filepath" + "strings" + "testing" +) + +func TestAllTokens(t *testing.T) { + input := strings.NewReader("a b c\nd e") + expected := []string{"a", "b", "c", "d", "e"} + tokens, err := allTokens(input) + + if err != nil { + t.Fatalf("Expected no error, got %v", err) + } + if len(tokens) != len(expected) { + t.Fatalf("Expected %d tokens, got %d", len(expected), len(tokens)) + } + + for i, val := range expected { + if tokens[i].Text != val { + t.Errorf("Token %d should be '%s' but was '%s'", i, val, tokens[i].Text) + } + } +} + +func TestParseOneAndImport(t *testing.T) { + testParseOne := func(input string) (ServerBlock, error) { + p := testParser(input) + p.Next() // parseOne doesn't call Next() to start, so we must + err := p.parseOne() + return p.block, err + } + + for i, test := range []struct { + input string + shouldErr bool + keys []string + tokens map[string]int // map of directive name to number of tokens expected + }{ + {`localhost`, false, []string{ + "localhost", + }, map[string]int{}}, + + {`localhost + dir1`, false, []string{ + "localhost", + }, map[string]int{ + "dir1": 1, + }}, + + {`localhost:1234 + dir1 foo bar`, false, []string{ + "localhost:1234", + }, map[string]int{ + "dir1": 3, + }}, + + {`localhost { + dir1 + }`, false, []string{ + "localhost", + }, map[string]int{ + "dir1": 1, + }}, + + {`localhost:1234 { + dir1 foo bar + dir2 + }`, false, []string{ + "localhost:1234", + }, map[string]int{ + "dir1": 3, + "dir2": 1, + }}, + + {`http://localhost https://localhost + dir1 foo bar`, false, []string{ + "http://localhost", + "https://localhost", + }, map[string]int{ + "dir1": 3, + }}, + + {`http://localhost https://localhost { + dir1 foo bar + }`, false, []string{ + "http://localhost", + "https://localhost", + }, map[string]int{ + "dir1": 3, + }}, + + {`http://localhost, https://localhost { + dir1 foo bar + }`, false, []string{ + "http://localhost", + "https://localhost", + }, map[string]int{ + "dir1": 3, + }}, + + {`http://localhost, { + }`, true, []string{ + "http://localhost", + }, map[string]int{}}, + + {`host1:80, http://host2.com + dir1 foo bar + dir2 baz`, false, []string{ + "host1:80", + "http://host2.com", + }, map[string]int{ + "dir1": 3, + "dir2": 2, + }}, + + {`http://host1.com, + http://host2.com, + https://host3.com`, false, []string{ + "http://host1.com", + "http://host2.com", + "https://host3.com", + }, map[string]int{}}, + + {`http://host1.com:1234, https://host2.com + dir1 foo { + bar baz + } + dir2`, false, []string{ + "http://host1.com:1234", + "https://host2.com", + }, map[string]int{ + "dir1": 6, + "dir2": 1, + }}, + + {`127.0.0.1 + dir1 { + bar baz + } + dir2 { + foo bar + }`, false, []string{ + "127.0.0.1", + }, map[string]int{ + "dir1": 5, + "dir2": 5, + }}, + + {`localhost + dir1 { + foo`, true, []string{ + "localhost", + }, map[string]int{ + "dir1": 3, + }}, + + {`localhost + dir1 { + }`, false, []string{ + "localhost", + }, map[string]int{ + "dir1": 3, + }}, + + {`localhost + dir1 { + } }`, true, []string{ + "localhost", + }, map[string]int{ + "dir1": 3, + }}, + + {`localhost + dir1 { + nested { + foo + } + } + dir2 foo bar`, false, []string{ + "localhost", + }, map[string]int{ + "dir1": 7, + "dir2": 3, + }}, + + {``, false, []string{}, map[string]int{}}, + + {`localhost + dir1 arg1 + import testdata/import_test1.txt`, false, []string{ + "localhost", + }, map[string]int{ + "dir1": 2, + "dir2": 3, + "dir3": 1, + }}, + + {`import testdata/import_test2.txt`, false, []string{ + "host1", + }, map[string]int{ + "dir1": 1, + "dir2": 2, + }}, + + {`import testdata/import_test1.txt testdata/import_test2.txt`, true, []string{}, map[string]int{}}, + + {`import testdata/not_found.txt`, true, []string{}, map[string]int{}}, + + {`""`, false, []string{}, map[string]int{}}, + + {``, false, []string{}, map[string]int{}}, + + // test cases found by fuzzing! + {`import }{$"`, true, []string{}, map[string]int{}}, + {`import /*/*.txt`, true, []string{}, map[string]int{}}, + {`import /???/?*?o`, true, []string{}, map[string]int{}}, + {`import /??`, true, []string{}, map[string]int{}}, + {`import /[a-z]`, true, []string{}, map[string]int{}}, + {`import {$}`, true, []string{}, map[string]int{}}, + {`import {%}`, true, []string{}, map[string]int{}}, + {`import {$$}`, true, []string{}, map[string]int{}}, + {`import {%%}`, true, []string{}, map[string]int{}}, + } { + result, err := testParseOne(test.input) + + if test.shouldErr && err == nil { + t.Errorf("Test %d: Expected an error, but didn't get one", i) + } + if !test.shouldErr && err != nil { + t.Errorf("Test %d: Expected no error, but got: %v", i, err) + } + + if len(result.Keys) != len(test.keys) { + t.Errorf("Test %d: Expected %d keys, got %d", + i, len(test.keys), len(result.Keys)) + continue + } + for j, addr := range result.Keys { + if addr != test.keys[j] { + t.Errorf("Test %d, key %d: Expected '%s', but was '%s'", + i, j, test.keys[j], addr) + } + } + + if len(result.Tokens) != len(test.tokens) { + t.Errorf("Test %d: Expected %d directives, had %d", + i, len(test.tokens), len(result.Tokens)) + continue + } + for directive, tokens := range result.Tokens { + if len(tokens) != test.tokens[directive] { + t.Errorf("Test %d, directive '%s': Expected %d tokens, counted %d", + i, directive, test.tokens[directive], len(tokens)) + continue + } + } + } +} + +func TestRecursiveImport(t *testing.T) { + testParseOne := func(input string) (ServerBlock, error) { + p := testParser(input) + p.Next() // parseOne doesn't call Next() to start, so we must + err := p.parseOne() + return p.block, err + } + + isExpected := func(got ServerBlock) bool { + if len(got.Keys) != 1 || got.Keys[0] != "localhost" { + t.Errorf("got keys unexpected: expect localhost, got %v", got.Keys) + return false + } + if len(got.Tokens) != 2 { + t.Errorf("got wrong number of tokens: expect 2, got %d", len(got.Tokens)) + return false + } + if len(got.Tokens["dir1"]) != 1 || len(got.Tokens["dir2"]) != 2 { + t.Errorf("got unexpect tokens: %v", got.Tokens) + return false + } + return true + } + + recursiveFile1, err := filepath.Abs("testdata/recursive_import_test1") + if err != nil { + t.Fatal(err) + } + recursiveFile2, err := filepath.Abs("testdata/recursive_import_test2") + if err != nil { + t.Fatal(err) + } + + // test relative recursive import + err = ioutil.WriteFile(recursiveFile1, []byte( + `localhost + dir1 + import recursive_import_test2`), 0644) + if err != nil { + t.Fatal(err) + } + defer os.Remove(recursiveFile1) + + err = ioutil.WriteFile(recursiveFile2, []byte("dir2 1"), 0644) + if err != nil { + t.Fatal(err) + } + defer os.Remove(recursiveFile2) + + // import absolute path + result, err := testParseOne("import " + recursiveFile1) + if err != nil { + t.Fatal(err) + } + if !isExpected(result) { + t.Error("absolute+relative import failed") + } + + // import relative path + result, err = testParseOne("import testdata/recursive_import_test1") + if err != nil { + t.Fatal(err) + } + if !isExpected(result) { + t.Error("relative+relative import failed") + } + + // test absolute recursive import + err = ioutil.WriteFile(recursiveFile1, []byte( + `localhost + dir1 + import `+recursiveFile2), 0644) + if err != nil { + t.Fatal(err) + } + + // import absolute path + result, err = testParseOne("import " + recursiveFile1) + if err != nil { + t.Fatal(err) + } + if !isExpected(result) { + t.Error("absolute+absolute import failed") + } + + // import relative path + result, err = testParseOne("import testdata/recursive_import_test1") + if err != nil { + t.Fatal(err) + } + if !isExpected(result) { + t.Error("relative+absolute import failed") + } +} + +func TestDirectiveImport(t *testing.T) { + testParseOne := func(input string) (ServerBlock, error) { + p := testParser(input) + p.Next() // parseOne doesn't call Next() to start, so we must + err := p.parseOne() + return p.block, err + } + + isExpected := func(got ServerBlock) bool { + if len(got.Keys) != 1 || got.Keys[0] != "localhost" { + t.Errorf("got keys unexpected: expect localhost, got %v", got.Keys) + return false + } + if len(got.Tokens) != 2 { + t.Errorf("got wrong number of tokens: expect 2, got %d", len(got.Tokens)) + return false + } + if len(got.Tokens["dir1"]) != 1 || len(got.Tokens["proxy"]) != 8 { + t.Errorf("got unexpect tokens: %v", got.Tokens) + return false + } + return true + } + + directiveFile, err := filepath.Abs("testdata/directive_import_test") + if err != nil { + t.Fatal(err) + } + + err = ioutil.WriteFile(directiveFile, []byte(`prop1 1 + prop2 2`), 0644) + if err != nil { + t.Fatal(err) + } + defer os.Remove(directiveFile) + + // import from existing file + result, err := testParseOne(`localhost + dir1 + proxy { + import testdata/directive_import_test + transparent + }`) + if err != nil { + t.Fatal(err) + } + if !isExpected(result) { + t.Error("directive import failed") + } + + // import from nonexistent file + _, err = testParseOne(`localhost + dir1 + proxy { + import testdata/nonexistent_file + transparent + }`) + if err == nil { + t.Fatal("expected error when importing a nonexistent file") + } +} + +func TestParseAll(t *testing.T) { + for i, test := range []struct { + input string + shouldErr bool + keys [][]string // keys per server block, in order + }{ + {`localhost`, false, [][]string{ + {"localhost"}, + }}, + + {`localhost:1234`, false, [][]string{ + {"localhost:1234"}, + }}, + + {`localhost:1234 { + } + localhost:2015 { + }`, false, [][]string{ + {"localhost:1234"}, + {"localhost:2015"}, + }}, + + {`localhost:1234, http://host2`, false, [][]string{ + {"localhost:1234", "http://host2"}, + }}, + + {`localhost:1234, http://host2,`, true, [][]string{}}, + + {`http://host1.com, http://host2.com { + } + https://host3.com, https://host4.com { + }`, false, [][]string{ + {"http://host1.com", "http://host2.com"}, + {"https://host3.com", "https://host4.com"}, + }}, + + {`import testdata/import_glob*.txt`, false, [][]string{ + {"glob0.host0"}, + {"glob0.host1"}, + {"glob1.host0"}, + {"glob2.host0"}, + }}, + + {`import notfound/*`, false, [][]string{}}, // glob needn't error with no matches + {`import notfound/file.conf`, true, [][]string{}}, // but a specific file should + } { + p := testParser(test.input) + blocks, err := p.parseAll() + + if test.shouldErr && err == nil { + t.Errorf("Test %d: Expected an error, but didn't get one", i) + } + if !test.shouldErr && err != nil { + t.Errorf("Test %d: Expected no error, but got: %v", i, err) + } + + if len(blocks) != len(test.keys) { + t.Errorf("Test %d: Expected %d server blocks, got %d", + i, len(test.keys), len(blocks)) + continue + } + for j, block := range blocks { + if len(block.Keys) != len(test.keys[j]) { + t.Errorf("Test %d: Expected %d keys in block %d, got %d", + i, len(test.keys[j]), j, len(block.Keys)) + continue + } + for k, addr := range block.Keys { + if addr != test.keys[j][k] { + t.Errorf("Test %d, block %d, key %d: Expected '%s', but got '%s'", + i, j, k, test.keys[j][k], addr) + } + } + } + } +} + +func TestEnvironmentReplacement(t *testing.T) { + os.Setenv("PORT", "8080") + os.Setenv("ADDRESS", "servername.com") + os.Setenv("FOOBAR", "foobar") + os.Setenv("PARTIAL_DIR", "r1") + + // basic test; unix-style env vars + p := testParser(`{$ADDRESS}`) + blocks, _ := p.parseAll() + if actual, expected := blocks[0].Keys[0], "servername.com"; expected != actual { + t.Errorf("Expected key to be '%s' but was '%s'", expected, actual) + } + + // basic test; unix-style env vars + p = testParser(`di{$PARTIAL_DIR}`) + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Keys[0], "dir1"; expected != actual { + t.Errorf("Expected key to be '%s' but was '%s'", expected, actual) + } + + // multiple vars per token + p = testParser(`{$ADDRESS}:{$PORT}`) + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Keys[0], "servername.com:8080"; expected != actual { + t.Errorf("Expected key to be '%s' but was '%s'", expected, actual) + } + + // windows-style var and unix style in same token + p = testParser(`{%ADDRESS%}:{$PORT}`) + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Keys[0], "servername.com:8080"; expected != actual { + t.Errorf("Expected key to be '%s' but was '%s'", expected, actual) + } + + // reverse order + p = testParser(`{$ADDRESS}:{%PORT%}`) + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Keys[0], "servername.com:8080"; expected != actual { + t.Errorf("Expected key to be '%s' but was '%s'", expected, actual) + } + + // env var in server block body as argument + p = testParser(":{%PORT%}\ndir1 {$FOOBAR}") + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Keys[0], ":8080"; expected != actual { + t.Errorf("Expected key to be '%s' but was '%s'", expected, actual) + } + if actual, expected := blocks[0].Tokens["dir1"][1].Text, "foobar"; expected != actual { + t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual) + } + + // combined windows env vars in argument + p = testParser(":{%PORT%}\ndir1 {%ADDRESS%}/{%FOOBAR%}") + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Tokens["dir1"][1].Text, "servername.com/foobar"; expected != actual { + t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual) + } + + // malformed env var (windows) + p = testParser(":1234\ndir1 {%ADDRESS}") + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Tokens["dir1"][1].Text, "{%ADDRESS}"; expected != actual { + t.Errorf("Expected host to be '%s' but was '%s'", expected, actual) + } + + // malformed (non-existent) env var (unix) + p = testParser(`:{$PORT$}`) + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Keys[0], ":"; expected != actual { + t.Errorf("Expected key to be '%s' but was '%s'", expected, actual) + } + + // in quoted field + p = testParser(":1234\ndir1 \"Test {$FOOBAR} test\"") + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Tokens["dir1"][1].Text, "Test foobar test"; expected != actual { + t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual) + } + + // after end token + p = testParser(":1234\nanswer \"{{ .Name }} {$FOOBAR}\"") + blocks, _ = p.parseAll() + if actual, expected := blocks[0].Tokens["answer"][1].Text, "{{ .Name }} foobar"; expected != actual { + t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual) + } +} + +func testParser(input string) parser { + return parser{Dispenser: newTestDispenser(input)} +} + +func TestSnippets(t *testing.T) { + p := testParser(` + (common) { + gzip foo + errors stderr + } + http://example.com { + import common + } + `) + blocks, err := p.parseAll() + if err != nil { + t.Fatal(err) + } + for _, b := range blocks { + t.Log(b.Keys) + t.Log(b.Tokens) + } + if len(blocks) != 1 { + t.Fatalf("Expect exactly one server block. Got %d.", len(blocks)) + } + if actual, expected := blocks[0].Keys[0], "http://example.com"; expected != actual { + t.Errorf("Expected server name to be '%s' but was '%s'", expected, actual) + } + if len(blocks[0].Tokens) != 2 { + t.Fatalf("Server block should have tokens from import") + } + if actual, expected := blocks[0].Tokens["gzip"][0].Text, "gzip"; expected != actual { + t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual) + } + if actual, expected := blocks[0].Tokens["errors"][1].Text, "stderr"; expected != actual { + t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual) + } + +} + +func writeStringToTempFileOrDie(t *testing.T, str string) (pathToFile string) { + file, err := ioutil.TempFile("", t.Name()) + if err != nil { + panic(err) // get a stack trace so we know where this was called from. + } + if _, err := file.WriteString(str); err != nil { + panic(err) + } + if err := file.Close(); err != nil { + panic(err) + } + return file.Name() +} + +func TestImportedFilesIgnoreNonDirectiveImportTokens(t *testing.T) { + fileName := writeStringToTempFileOrDie(t, ` + http://example.com { + # This isn't an import directive, it's just an arg with value 'import' + basicauth / import password + } + `) + // Parse the root file that imports the other one. + p := testParser(`import ` + fileName) + blocks, err := p.parseAll() + if err != nil { + t.Fatal(err) + } + for _, b := range blocks { + t.Log(b.Keys) + t.Log(b.Tokens) + } + auth := blocks[0].Tokens["basicauth"] + line := auth[0].Text + " " + auth[1].Text + " " + auth[2].Text + " " + auth[3].Text + if line != "basicauth / import password" { + // Previously, it would be changed to: + // basicauth / import /path/to/test/dir/password + // referencing a file that (probably) doesn't exist and changing the + // password! + t.Errorf("Expected basicauth tokens to be 'basicauth / import password' but got %#q", line) + } +} + +func TestSnippetAcrossMultipleFiles(t *testing.T) { + // Make the derived Caddyfile that expects (common) to be defined. + fileName := writeStringToTempFileOrDie(t, ` + http://example.com { + import common + } + `) + + // Parse the root file that defines (common) and then imports the other one. + p := testParser(` + (common) { + gzip foo + } + import ` + fileName + ` + `) + + blocks, err := p.parseAll() + if err != nil { + t.Fatal(err) + } + for _, b := range blocks { + t.Log(b.Keys) + t.Log(b.Tokens) + } + if len(blocks) != 1 { + t.Fatalf("Expect exactly one server block. Got %d.", len(blocks)) + } + if actual, expected := blocks[0].Keys[0], "http://example.com"; expected != actual { + t.Errorf("Expected server name to be '%s' but was '%s'", expected, actual) + } + if len(blocks[0].Tokens) != 1 { + t.Fatalf("Server block should have tokens from import") + } + if actual, expected := blocks[0].Tokens["gzip"][0].Text, "gzip"; expected != actual { + t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual) + } +} |