Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "reflect" |
| 5 | "testing" |
| 6 | ) |
| 7 | |
| 8 | func TestParseExpr(t *testing.T) { |
| 9 | for _, tc := range []struct { |
| 10 | in string |
| 11 | val Value |
| 12 | isErr bool |
| 13 | }{ |
| 14 | { |
| 15 | in: "foo", |
| 16 | val: literal("foo"), |
| 17 | }, |
| 18 | { |
| 19 | in: "(foo)", |
| 20 | val: literal("(foo)"), |
| 21 | }, |
| 22 | { |
| 23 | in: "{foo}", |
| 24 | val: literal("{foo}"), |
| 25 | }, |
| 26 | { |
| 27 | in: "$$", |
| 28 | val: literal("$"), |
| 29 | }, |
| 30 | { |
| 31 | in: "foo$$bar", |
| 32 | val: literal("foo$bar"), |
| 33 | }, |
| 34 | { |
| 35 | in: "$foo", |
| 36 | val: Expr{varref{varname: literal("f")}, literal("oo")}, |
| 37 | }, |
| 38 | { |
| 39 | in: "$(foo)", |
| 40 | val: varref{varname: literal("foo")}, |
| 41 | }, |
| 42 | { |
| 43 | in: "$(foo:.c=.o)", |
| 44 | val: varsubst{ |
| 45 | varname: literal("foo"), |
| 46 | pat: literal(".c"), |
| 47 | subst: literal(".o"), |
| 48 | }, |
| 49 | }, |
| 50 | { |
| 51 | in: "$(subst $(space),$(,),$(foo))/bar", |
| 52 | val: Expr{ |
| 53 | &funcSubst{ |
| 54 | fclosure: fclosure{ |
| 55 | args: []Value{ |
Fumitoshi Ukai | b2670d9 | 2015-04-16 10:28:27 +0900 | [diff] [blame] | 56 | literal("(subst"), |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 57 | varref{ |
| 58 | varname: literal("space"), |
| 59 | }, |
| 60 | varref{ |
| 61 | varname: literal(","), |
| 62 | }, |
| 63 | varref{ |
| 64 | varname: literal("foo"), |
| 65 | }, |
| 66 | }, |
| 67 | }, |
| 68 | }, |
| 69 | literal("/bar"), |
| 70 | }, |
| 71 | }, |
| 72 | { |
| 73 | in: "$(subst $(space),$,,$(foo))", |
| 74 | val: &funcSubst{ |
| 75 | fclosure: fclosure{ |
| 76 | args: []Value{ |
Fumitoshi Ukai | b2670d9 | 2015-04-16 10:28:27 +0900 | [diff] [blame] | 77 | literal("(subst"), |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 78 | varref{ |
| 79 | varname: literal("space"), |
| 80 | }, |
| 81 | varref{ |
| 82 | varname: literal(""), |
| 83 | }, |
| 84 | Expr{ |
| 85 | literal(","), |
| 86 | varref{ |
| 87 | varname: literal("foo"), |
| 88 | }, |
| 89 | }, |
| 90 | }, |
| 91 | }, |
| 92 | }, |
| 93 | }, |
| 94 | { |
| 95 | in: `$(shell echo '()')`, |
| 96 | val: &funcShell{ |
| 97 | fclosure: fclosure{ |
| 98 | args: []Value{ |
Fumitoshi Ukai | b2670d9 | 2015-04-16 10:28:27 +0900 | [diff] [blame] | 99 | literal("(shell"), |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 100 | literal("echo '()'"), |
| 101 | }, |
| 102 | }, |
| 103 | }, |
| 104 | }, |
| 105 | { |
Fumitoshi Ukai | ebf945c | 2015-04-10 17:30:04 +0900 | [diff] [blame] | 106 | in: `${shell echo '()'}`, |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 107 | val: &funcShell{ |
| 108 | fclosure: fclosure{ |
| 109 | args: []Value{ |
Fumitoshi Ukai | b2670d9 | 2015-04-16 10:28:27 +0900 | [diff] [blame] | 110 | literal("{shell"), |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 111 | literal("echo '()'"), |
| 112 | }, |
| 113 | }, |
| 114 | }, |
| 115 | }, |
| 116 | { |
| 117 | in: `$(shell echo ')')`, |
| 118 | val: Expr{ |
| 119 | &funcShell{ |
| 120 | fclosure: fclosure{ |
| 121 | args: []Value{ |
Fumitoshi Ukai | b2670d9 | 2015-04-16 10:28:27 +0900 | [diff] [blame] | 122 | literal("(shell"), |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 123 | literal("echo '"), |
| 124 | }, |
| 125 | }, |
| 126 | }, |
| 127 | literal("')"), |
| 128 | }, |
| 129 | }, |
| 130 | { |
| 131 | in: `${shell echo ')'}`, |
| 132 | val: &funcShell{ |
| 133 | fclosure: fclosure{ |
| 134 | args: []Value{ |
Fumitoshi Ukai | b2670d9 | 2015-04-16 10:28:27 +0900 | [diff] [blame] | 135 | literal("{shell"), |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 136 | literal("echo ')'"), |
| 137 | }, |
| 138 | }, |
| 139 | }, |
| 140 | }, |
| 141 | { |
| 142 | in: `${shell echo '}'}`, |
| 143 | val: Expr{ |
| 144 | &funcShell{ |
| 145 | fclosure: fclosure{ |
| 146 | args: []Value{ |
Fumitoshi Ukai | b2670d9 | 2015-04-16 10:28:27 +0900 | [diff] [blame] | 147 | literal("{shell"), |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 148 | literal("echo '"), |
| 149 | }, |
| 150 | }, |
| 151 | }, |
| 152 | literal("'}"), |
| 153 | }, |
| 154 | }, |
| 155 | { |
| 156 | in: `$(shell make --version | ruby -n0e 'puts $$_[/Make (\d)/,1]')`, |
| 157 | val: &funcShell{ |
| 158 | fclosure: fclosure{ |
| 159 | args: []Value{ |
Fumitoshi Ukai | b2670d9 | 2015-04-16 10:28:27 +0900 | [diff] [blame] | 160 | literal("(shell"), |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 161 | literal(`make --version | ruby -n0e 'puts $_[/Make (\d)/,1]'`), |
| 162 | }, |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 163 | }, |
| 164 | }, |
| 165 | }, |
Fumitoshi Ukai | ee5c6fc | 2015-04-16 13:13:10 +0900 | [diff] [blame] | 166 | { |
| 167 | in: `$(and ${TRUE}, $(X) )`, |
| 168 | val: &funcAnd{ |
| 169 | fclosure: fclosure{ |
| 170 | args: []Value{ |
| 171 | literal("(and"), |
| 172 | varref{ |
| 173 | varname: literal("TRUE"), |
| 174 | }, |
| 175 | varref{ |
| 176 | varname: literal("X"), |
| 177 | }, |
| 178 | }, |
| 179 | }, |
| 180 | }, |
| 181 | }, |
| 182 | { |
| 183 | in: `$(call func, \ |
| 184 | foo)`, |
| 185 | val: &funcCall{ |
| 186 | fclosure: fclosure{ |
| 187 | args: []Value{ |
| 188 | literal("(call"), |
| 189 | literal("func"), |
| 190 | literal(" foo"), |
| 191 | }, |
| 192 | }, |
| 193 | }, |
| 194 | }, |
| 195 | { |
| 196 | in: `$(call func, \)`, |
| 197 | val: &funcCall{ |
| 198 | fclosure: fclosure{ |
| 199 | args: []Value{ |
| 200 | literal("(call"), |
| 201 | literal("func"), |
| 202 | literal(` \`), |
| 203 | }, |
| 204 | }, |
| 205 | }, |
| 206 | }, |
Fumitoshi Ukai | da7f255 | 2015-04-16 13:33:37 +0900 | [diff] [blame] | 207 | { |
| 208 | in: `$(eval ## comment)`, |
| 209 | val: &funcNop{ |
| 210 | expr: `$(eval ## comment)`, |
| 211 | }, |
| 212 | }, |
Fumitoshi Ukai | 150c861 | 2015-04-16 15:35:44 +0900 | [diff] [blame^] | 213 | { |
| 214 | in: `$(eval foo = bar)`, |
| 215 | val: &funcEvalAssign{ |
| 216 | lhs: "foo", |
| 217 | op: "=", |
| 218 | rhs: literal("bar"), |
| 219 | }, |
| 220 | }, |
| 221 | { |
| 222 | in: `$(eval foo :=)`, |
| 223 | val: &funcEvalAssign{ |
| 224 | lhs: "foo", |
| 225 | op: ":=", |
| 226 | rhs: literal(""), |
| 227 | }, |
| 228 | }, |
Fumitoshi Ukai | b36f387 | 2015-04-10 15:06:38 +0900 | [diff] [blame] | 229 | } { |
| 230 | val, _, err := parseExpr([]byte(tc.in), nil) |
| 231 | if tc.isErr { |
| 232 | if err == nil { |
| 233 | t.Errorf(`parseExpr(%q)=_, _, nil; want error`, tc.in) |
| 234 | } |
| 235 | continue |
| 236 | } |
| 237 | if err != nil { |
| 238 | t.Errorf(`parseExpr(%q)=_, _, %v; want nil error`, tc.in, err) |
| 239 | continue |
| 240 | } |
| 241 | if got, want := val, tc.val; !reflect.DeepEqual(got, want) { |
| 242 | t.Errorf("parseExpr(%[1]q)=%[2]q %#[2]v, _, _;\n want %[3]q %#[3]v, _, _", tc.in, got, want) |
| 243 | } |
| 244 | } |
| 245 | } |