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cmd/go: document testdata directory in "go help test"

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Document the correct use of the testdata directory
where test writers might be expecting to find it.

It seems that alldocs.go was out of date, so it
has picked up some other changes with this commit.

Fixes #14715.

Change-Id: I0a22676bb7a64b2a61b56495f7ea38db889d8b37
Reviewed-on: https://go-review.googlesource.com/23353
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Jeff R. Allen 2016-05-24 23:46:11 +06:00 committed by Ian Lance Taylor
parent a0abecf102
commit 2f9eeea212
2 changed files with 17 additions and 2 deletions
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16
src/cmd/go/alldocs.go
View File

@ -570,6 +570,8 @@ syntax of package template. The default output is equivalent to -f
Stale bool // would 'go install' do anything for this package?
StaleReason string // explanation for Stale==true
Root string // Go root or Go path dir containing this package
ConflictDir string // this directory shadows Dir in $GOPATH
BinaryOnly bool // binary-only package: cannot be recompiled from sources
// Source files
GoFiles []string // .go source files (excluding CgoFiles, TestGoFiles, XTestGoFiles)
@ -704,6 +706,9 @@ Each listed package causes the execution of a separate test binary.
Test files that declare a package with the suffix "_test" will be compiled as a
separate package, and then linked and run with the main test binary.
The go tool will ignore a directory named "testdata", making it available
to hold ancillary data needed by the tests.
By default, go test needs no arguments. It compiles and tests the package
with source in the current directory, including tests, and runs the tests.
@ -882,7 +887,15 @@ the extension of the file name. These extensions are:
Files of each of these types except .syso may contain build
constraints, but the go command stops scanning for build constraints
at the first item in the file that is not a blank line or //-style
line comment.
line comment. See the go/build package documentation for
more details.
Non-test Go source files can also include a //go:binary-only-package
comment, indicating that the package sources are included
for documentation only and must not be used to build the
package binary. This enables distribution of Go packages in
their compiled form alone. See the go/build package documentation
for more details.
GOPATH environment variable
@ -1457,7 +1470,6 @@ control the execution of any test:
-trace trace.out
Write an execution trace to the specified file before exiting.
Writes test binary as -c would.
-v
Verbose output: log all tests as they are run. Also print all

3
src/cmd/go/test.go
View File

@ -59,6 +59,9 @@ Each listed package causes the execution of a separate test binary.
Test files that declare a package with the suffix "_test" will be compiled as a
separate package, and then linked and run with the main test binary.
The go tool will ignore a directory named "testdata", making it available
to hold ancillary data needed by the tests.
By default, go test needs no arguments. It compiles and tests the package
with source in the current directory, including tests, and runs the tests.